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NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

ABCD Youth Screen Time Survey (STQ)

0 Shared Subjects

Screen time utilization - youth
Clinical Assessments
Questionnaire
12/04/2017
abcd_stq01
06/25/2021
View Change History
01
Definition
Submission Template
Query Element Name Data Type Size Required Description Value Range Notes Aliases
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for research subject NDAR*
src_subject_id String 20 Required Subject ID how it's defined in lab/project
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0::1440 Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month.
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender
eventname String 60 Required The event name for which the data was collected
Query screen1_wkdy_y Float Recommended On a typical weekday, how many hours do you: Watch TV shows or movies? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wkdy_1
Query screen2_wkdy_y Float Recommended On a typical weekday, how many hours do you: Watch videos (such as YouTube)? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wkdy_2
Query screen3_wkdy_y Float Recommended On a typical weekday, how many hours do you: Play video games on a computer, console, phone or other device (Xbox, Play Station, iPad)? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wkdy_3
Query screen4_wkdy_y Float Recommended On a typical weekday, how many hours do you: Text on a cell phone, tablet, or computer (e.g. GChat, Whatsapp, etc.)? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wkdy_4
Query screen5_wkdy_y Float Recommended On a typical weekday, how many hours do you: Visit social networking sites like Facebook, Twitter, Instagram, etc.? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wkdy_5
Query screen_wkdy_y Float Recommended On a typical weekday, how many hours do you: Video chat (Skype, Facetime, etc.)? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wkdy_6
Query screen7_wknd_y Float Recommended On a typical weekend day, how many hours do you: Watch TV shows or movies? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wknd_7
Query screen8_wknd_y Float Recommended On a typical weekend day, how many hours do you: Watch videos (such as YouTube)? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wknd_8
Query screen9_wknd_y Float Recommended On a typical weekend day, how many hours do you: Play video games on a computer, console, phone or other device (Xbox, Play Station, iPad)? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wknd_9
Query screen10_wknd_y Float Recommended On a typical weekend day, how many hours do you: Text on a cell phone, tablet, or computer (GChat, Whatsapp, etc.)? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wknd_10
Query screen11_wknd_y Float Recommended On a typical weekend day, how many hours do you: Visit social networking sites like Facebook, Twitter, Instagram, etc.? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wknd_11
Query screen12_wknd_y Float Recommended On a typical weekend day, how many hours do you: Video chat (Skype, Facetime, etc.)? 0::4 0 = None; .25 = < 30 minutes; 0.5 = 30 minutes; 1 = 1 hour; 2 = 2 hours; 3 = 3 hours; 4 = 4+ hours //Example: 1½ hours would be coded as 1 hour, rather than 2 hours. screentime_wknd_12
Query screen13_y Integer Recommended How often do you play mature-rated video games (e.g., Call of Duty, Grand Theft Auto, Assassin's Creed, etc.)? 0::3 0 = Never; 1 = Once in a while; 2 = Regularly; 3 = All the time screentime_13
Query screen14_y Integer Recommended How often do you watch R-rated movies? 0::3 0 = Never; 1 = Once in a while; 2 = Regularly; 3 = All the time screentime_14
screentime_4_wkdy_min Integer Recommended On a typical weekday: Play multiplayer video games on a computer, console, phone, or other device (Xbox, Play Station, iPad, AppleTV) where you can interact with others in the game? 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_sq3 Integer Recommended Watch or stream movies, videos, or TV shows 1::4;777 1=0 nights in the past week; 2=1-2 nights; 3=3-4 nights; 4=5-7 nights; 777=Refused to answer
screentime_sq4 Integer Recommended Play video games 1::4;777 1=0 nights in the past week; 2=1-2 nights; 3=3-4 nights; 4=5-7 nights; 777=Refused to answer
screentime_sq5 Integer Recommended Play music 1::4;777 1=0 nights in the past week; 2=1-2 nights; 3=3-4 nights; 4=5-7 nights; 777=Refused to answer
screentime_sq6 Integer Recommended Talk on the phone or text (If you do not own a phone, choose 0 nights) 1::4;777 1=0 nights in the past week; 2=1-2 nights; 3=3-4 nights; 4=5-7 nights; 777=Refused to answer
screentime_sq7 Integer Recommended Spend time online on social media (e.g. Facebook) 1::4;777 1=0 nights in the past week; 2=1-2 nights; 3=3-4 nights; 4=5-7 nights; 777=Refused to answer
screentime_sq8 Integer Recommended Spend time in chat rooms 1::4;777 1=0 nights in the past week; 2=1-2 nights; 3=3-4 nights; 4=5-7 nights; 777=Refused to answer
screentime_sq9 Integer Recommended Browse the Internet, Google-ing (not school related) 1::4;777 1=0 nights in the past week; 2=1-2 nights; 3=3-4 nights; 4=5-7 nights; 777=Refused to answer
screentime_sq10 Integer Recommended Use a computer/laptop for studying 1::4;777 1=0 nights in the past week; 2=1-2 nights; 3=3-4 nights; 4=5-7 nights; 777=Refused to answer
screentime_sq11 Integer Recommended Reading 1::5;777 1=0 nights in the past week; 2=1-2 nights; 3=3-4 nights; 4=5-7 nights; 777=Refused to answer
screentime_sq12 Integer Recommended In the past week, how often have you had phone calls, text messages or emails that wake you after trying to go to sleep? 1::4;777;-1 1=0 nights in the past week ; 2=1-2 nights ; 3=3-4 nights ; 4=5-7 nights ; 777=Refused to answer
screentime_5_wkdy_hr Integer Recommended On a typical weekday: Text on a cell phone, tablet, computer, iPod, or other electronic device (e.g., GChat, Whatsapp, Kik etc.)? 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_sq13 Integer Recommended In the past week, when you woke up during the night, how often have you used your phone or other device to send messages/play games/search or browse the internet/use social media/read or write emails? 1::4;777;-1 1=0 nights in the past week ; 2=1-2 nights ; 3=3-4 nights ; 4=5-7 nights ; 777=Refused to answer
screentime_admin Integer Recommended Please indicate how instrument was administered: 1::3 1=RA-Administered; 2=Youth Self-Administered; 3=Combination
screentime_5_wkdy_min Integer Recommended On a typical weekday: Text on a cell phone, tablet, computer, iPod, or other electronic device (e.g., GChat, Whatsapp, Kik etc.)? 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_6_wkdy_hr Integer Recommended On a typical weekday: Visit social media apps (e.g., Snapchat, Facebook, Twitter, Instagram, TikTok, etc.? (Do not include time spent editing photos or videos to post on social media.) 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_6_wkdy_min Integer Recommended On a typical weekday: Visit social media apps (e.g., Snapchat, Facebook, Twitter, Instagram, TikTok, etc.? (Do not include time spent editing photos or videos to post on social media.) 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_7_wkdy_hr Integer Recommended On a typical weekday: Edit photos or videos to post on social media. 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_7_wkdy_min Integer Recommended On a typical weekday: Edit photos or videos to post on social media. 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_8_wkdy_hr Integer Recommended On a typical weekday: Video chat (Skype, FaceTime, VRchat, etc.) 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_8_wkdy_min Integer Recommended On a typical weekday: Video chat (Skype, FaceTime, VRchat, etc.) 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_9_wkdy_hr Integer Recommended On a typical weekday: Searching or browsing the internet (e.g., using Google) that is NOT for school 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_9_wkdy_min Integer Recommended On a typical weekday: Searching or browsing the internet (e.g., using Google) that is NOT for school 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_wkdy_typical_hr Integer Recommended On a typical WEEKDAY (during the school year), how much TIME per day do you spend in TOTAL on a computer, phone, tablet, iPod, or other device or video game? Please do NOT include time spent on school related work, but do include watching TV, shows or videos, texting or chatting, playing games, or visiting social networking sites (Facebook, Twitter, Instagram). 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_wkdy_typical_min Integer Recommended On a typical WEEKDAY (during the school year), how much TIME per day do you spend in TOTAL on a computer, phone, tablet, iPod, or other device or video game? Please do NOT include time spent on school related work, but do include watching TV, shows or videos, texting or chatting, playing games, or visiting social networking sites (Facebook, Twitter, Instagram). 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_7_wknd_hr Integer Recommended On a typical weekend day: Watch or stream TV shows or movies? (such as Hulu, Netflix or Amazon, not including videos on YouTube) 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_7_wknd_min Integer Recommended On a typical weekend day: Watch or stream TV shows or movies? (such as Hulu, Netflix or Amazon, not including videos on YouTube) 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_8_wknd_hr Integer Recommended On a typical weekend day: Watch or stream videos or live stream (such as YouTube, Twitch)? 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_8_wknd_min Integer Recommended On a typical weekend day: Watch or stream videos or live stream (such as YouTube, Twitch)? 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_9_wknd_hr Integer Recommended On a typical weekend day: Play single-player video games on a computer, console, phone or other device (Xbox, Play Station, iPad, AppleTV)? 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_9_wknd_min Integer Recommended On a typical weekend day: Play single-player video games on a computer, console, phone or other device (Xbox, Play Station, iPad, AppleTV)? 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_10_wknd_hr Integer Recommended On a typical weekend day: Play multiplayer video games on a computer, console, phone, or other device (Xbox, Play Station, iPad, AppleTV) where you can interact with others in the game? 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_1_wkdy_hr Integer Recommended On a typical weekday: Watch or stream TV shows or movies? (such as Hulu, Netflix or Amazon, not including videos on YouTube) 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_10_wknd_min Integer Recommended On a typical weekend day: Play multiplayer video games on a computer, console, phone, or other device (Xbox, Play Station, iPad, AppleTV) where you can interact with others in the game? 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_11_wknd_hr Integer Recommended On a typical weekend day: Text on a cell phone, tablet, computer, iPod, or other electronic device (e.g., GChat, Whatsapp, Kik etc.)? 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_11_wknd_min Integer Recommended On a typical weekend day: Text on a cell phone, tablet, computer, iPod, or other electronic device (e.g., GChat, Whatsapp, Kik etc.)? 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_12_wknd_hr Integer Recommended On a typical weekend day: Visit social media apps (e.g., Snapchat, Facebook, Twitter, Instagram, TikTok, etc.? (Do not include time spent editing photos or videos to post on social media.) 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_12_wknd_min Integer Recommended On a typical weekend day: Visit social media apps (e.g., Snapchat, Facebook, Twitter, Instagram, TikTok, etc.? (Do not include time spent editing photos or videos to post on social media.) 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_13_wknd_hr Integer Recommended On a typical weekend day: Edit photos or videos to post on social media. 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_13_wknd_min Integer Recommended On a typical weekend day: Edit photos or videos to post on social media. 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_14_wknd_hr Integer Recommended On a typical weekend day: Video chat (Skype, FaceTime, VRchat, etc.) 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_14_wknd_min Integer Recommended On a typical weekend day: Video chat (Skype, FaceTime, VRchat, etc.) 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_15_wknd_hr Integer Recommended On a typical weekend day: Searching or browsing the internet (e.g., using Google) that is NOT for school 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_1_wkdy_min Integer Recommended On a typical weekday: Watch or stream TV shows or movies? (such as Hulu, Netflix or Amazon, not including videos on YouTube) 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_15_wknd_min Integer Recommended On a typical weekend day: Searching or browsing the internet (e.g., using Google) that is NOT for school 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_wknd_typical_hr Integer Recommended On a typical WEEKEND DAY (or non-school day, like during summer or holiday breaks), how much TIME per day do you spend in TOTAL on a computer, phone, tablet, iPod, or other device or video game? Please do NOT include time spent on school related work, but do include watching TV, shows or videos, texting or chatting, playing games, or visiting social networking sites (Facebook, Twitter, Instagram). 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_wknd_t_min Integer Recommended On a typical WEEKEND DAY (or non-school day, like during summer or holiday breaks), how much TIME per day do you spend in TOTAL on a computer, phone, tablet, iPod, or other device or video game? Please do NOT include time spent on school related work, but do include watching TV, shows or videos, texting or chatting, playing games, or visiting social networking sites (Facebook, Twitter, Instagram). 0;15;30;45 0=0; 15=15; 30=30; 45=45 screentime_wknd_typical_min
screentime_phone_yn Integer Recommended Do you have your own mobile phone, smart watch or ipod? 0=No; 1=Yes; 777=Refuse to Answer
screentime_phone_descript Integer Recommended How much do you agree with the following statements in relation to your cell phone use?
screentime_phone1 Integer Recommended I interrupt whatever else I am doing when I am contacted on my phone 1=Strongly Disagree; 2=Disagree; 3=Somewhat Disagree; 4=Neither Agree nor Disagree; 5=Somewhat Agree; 6=Agree; 7=Strongly Agree; 777=Refuse to Answer
screentime_phone2 Integer Recommended I often use my phone for no particular reason 1=Strongly Disagree; 2=Disagree; 3=Somewhat Disagree; 4=Neither Agree nor Disagree; 5=Somewhat Agree; 6=Agree; 7=Strongly Agree; 777=Refuse to Answer
screentime_phone3 Integer Recommended I feel connected to others when I am using my phone 1=Strongly Disagree; 2=Disagree; 3=Somewhat Disagree; 4=Neither Agree nor Disagree; 5=Somewhat Agree; 6=Agree; 7=Strongly Agree; 777=Refuse to Answer
screentime_phone4 Integer Recommended Arguments have arisen with others because of my phone use 1=Strongly Disagree; 2=Disagree; 3=Somewhat Disagree; 4=Neither Agree nor Disagree; 5=Somewhat Agree; 6=Agree; 7=Strongly Agree; 777=Refuse to Answer
screentime_phone5 Integer Recommended I lose track of how much I am using my phone. 1=Strongly Disagree; 2=Disagree; 3=Somewhat Disagree; 4=Neither Agree nor Disagree; 5=Somewhat Agree; 6=Agree; 7=Strongly Agree; 777=Refuse to Answer
screentime_2_wkdy_hr Integer Recommended On a typical weekday: Watch or stream videos or live stream (such as YouTube, Twitch)? 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_phone6 Integer Recommended I often think about my phone when I am not using it 1=Strongly Disagree; 2=Disagree; 3=Somewhat Disagree; 4=Neither Agree nor Disagree; 5=Somewhat Agree; 6=Agree; 7=Strongly Agree; 777=Refuse to Answer
screentime_phone7 Integer Recommended I have been unable to reduce my phone use 1=Strongly Disagree; 2=Disagree; 3=Somewhat Disagree; 4=Neither Agree nor Disagree; 5=Somewhat Agree; 6=Agree; 7=Strongly Agree; 777=Refuse to Answer
screentime_phone8 Integer Recommended The thought of being without my phone makes me feel distressed 1=Strongly Disagree; 2=Disagree; 3=Somewhat Disagree; 4=Neither Agree nor Disagree; 5=Somewhat Agree; 6=Agree; 7=Strongly Agree; 777=Refuse to Answer
screentime_phone_scale Integer Recommended On a scale of 1-10 (with 1=barely check it/can go days without it, and 10=check at least hourly when awake), how attached are you to your phone? 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 777=Refuse to Answer
screentime_usesoc Integer Recommended Do you have a at least one social media account?
screentime_smq_description Integer Recommended Which social media sites do you have an account on? List the number of accounts you have on each of the social media sites below.
screentime_smq_facebook Integer Recommended Facebook 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_smq_instagram Integer Recommended Instagram 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_smq_snapchat Integer Recommended Snapchat 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_smq_twitter Integer Recommended Twitter 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_2_wkdy_min Integer Recommended On a typical weekday: Watch or stream videos or live stream (such as YouTube, Twitch)? 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_smq_youtube Integer Recommended YouTube 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_smq_pinterest Integer Recommended Pinterest 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_smq_tumblr Integer Recommended Tumblr 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_smq_reddit Integer Recommended Reddit 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_smq_mg_chat Integer Recommended Multiplayer Videogame Online Chatting 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10 screentime_smq_multi_game_chat
screentime_smq_musical_ly Integer Recommended TikTok 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_smq_other Integer Recommended Other 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10
screentime_smq_other_name Integer Recommended Please fill in Other social media site
screentime_smq_use_other Integer Recommended If Other, please fill in name
screentime_3_wkdy_hr Integer Recommended On a typical weekday: Play single-player video games on a computer, console, phone or other device (Xbox, Play Station, iPad, AppleTV)? 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_smq_use_most Integer Recommended Which social media site do you use the most? 0::11;999 0=I do not have a social media account; 1=Facebook; 2=Instagram; 3=Snapchat; 4=Twitter; 5=YouTube; 6=Pinterest=| 7=Tumblr; 8=Reddit; 11=TikTok; 9=Multiplayer Videogame Online Chatting; 10=Other
screentime_smq_um_other Integer Recommended If Other, please fill in name screentime_smq_use_most_other
screentime_smq_account Integer Recommended On (screentime_smq_use_most), is your account public or private? -1=Not Applicable; 1=Public; 2=Private; 999=Don't Know; 777=Refuse to Answer
screentime_smq_followers Integer Recommended On (screentime_smq_use_most), how many followers do you have?
screentime_smq_followers_na Integer Recommended Not applicable 1=Not applicable
screentime_smq_following_na Integer Recommended Not applicable 1=Not applicable
screentime_smq_followers_dk Integer Recommended Don't know 999=Don't know
screentime_smq_following Integer Recommended On (screentime_smq_use_most), how many people or groups are you following?
screentime_smq_following_dk Integer Recommended Don't know 999=Don't know
screentime_smq_secret Integer Recommended Do you have a social media account that you keep secret from your parents? 1=Yes; 0=No; 777=Refuse to Answer
screentime_3_wkdy_min Integer Recommended On a typical weekday: Play single-player video games on a computer, console, phone or other device (Xbox, Play Station, iPad, AppleTV)? 0;15;30;45 0=0; 15=15; 30=30; 45=45
screentime_smq_soc_med_hr Integer Recommended How much TIME per day do you spend on social media apps? 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_smq_sm_min Integer Recommended How much TIME per day do you spend on social media apps? 0=0; 15=15; 30=30; 45=45 screentime_smq_soc_med_min
screentime_smqa1 Integer Recommended I spend a lot of time thinking about social media apps or planning my use of social media apps. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_smqa2 Integer Recommended I feel the need to use social media apps more and more. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_smqa3 Integer Recommended I use social media apps so I can forget about my problems. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_smqa4 Integer Recommended I've tried to use my social media apps less but I can't. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_smqa5 Integer Recommended I've become stressed or upset if I am not allowed to use my social media apps. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_smqa6 Integer Recommended I use social media apps so much that it has had a bad effect on my schoolwork or job 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_vgaq1 Integer Recommended I spend a lot of time thinking about playing video games. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_vgaq2 Integer Recommended I feel the need to play video games more and more. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_4_wkdy_hr Integer Recommended On a typical weekday: Play multiplayer video games on a computer, console, phone, or other device (Xbox, Play Station, iPad, AppleTV) where you can interact with others in the game? 0::23 0=0; 1=1; 2=2; 3=3; 4=4; 5=5; 6=6; 7=7; 8=8; 9=9; 10=10; 11=11; 12=12; 13=13; 14=14; 15=15; 16=16; 17=17; 18=18; 19=19; 20=20; 21=21; 22=22; 23=23
screentime_vgaq3 Integer Recommended I play video games so I can forget about my problems. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_vgaq4 Integer Recommended I've tried to play video games less but I can't. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_vgaq5 Integer Recommended I've become stressed or upset if I am not allowed to play video games. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_vgaq6 Integer Recommended I play video games so much that it has had a bad effect on my schoolwork or job. 1::6;777 1=Never; 2=Very rarely; 3=Rarely; 4=Sometimes; 5=Often; 6=Very often; 777=Refuse to answer
screentime_odq1 Integer Recommended Have you ever used a dating app? 1;0;999;777 1=Yes; 0=No; 999=I don't know what that is?; 777=Refuse to answer
screentime_odq2 Integer Recommended Are you currently using a dating app? 1;0;777 1=Yes; 0=No; 777=Refuse to answer
screentime_odq3 Integer Recommended How much time per week do you spend on online dating apps? 1::7;777 1=None; 2=< 30 minutes; 3=30 minutes; 4=1 hour; 5=2 hours; 6=3 hours; 7=4+ hours; 777=Refuse to answer
screentime_odq4 Integer Recommended Have you arranged an in-person meeting with someone you met only on the dating app? 1;0;777 1=Yes; 0=No; 777=Refuse to answer
screentime_sq1 Integer Recommended Is there a TV set or an Internet connected electronic device (computer, iPad, phone) in your bedroom? 1;0;777 1=Yes; 0=No; 777=Refuse to answer
screentime_sq2 Integer Recommended What do you usually do with your phone when you are ready to go to sleep? Do you 1::4;-1;777 -1=Not Applicable ; 1=Turn the phone off ; 2=Put the ringer on silent or vibrate ; 3=Leave the ringer on ; 4=Put it outside of the room where I sleep ; 777=Refuse to answer
screentime_smq_use___7 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 7, Tumblr 1;0 1=Yes=0 No
screentime_smq_use___8 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 8, Reddit 1;0 1=Yes=0 No
screentime_smq_use___9 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 9, Multiplayer Videogame Online Chatting 1;0 1=Yes=0 No
screentime_smq_use___10 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 10, Other 1;0 1=Yes=0 No
screentime_smq_use___11 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 11, TikTok 1;0 1=Yes=0 No
screentime_smq_use___1 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 1, Facebook 1;0 1=Yes=0 No
screentime_smq_use___2 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 2, Instagram 1;0 1=Yes=0 No
screentime_smq_use___3 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 3, Snapchat 1;0 1=Yes=0 No
screentime_smq_use___4 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 4, Twitter 1;0 1=Yes=0 No
screentime_smq_use___5 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 5, YouTube 1;0 1=Yes=0 No
screentime_smq_use___6 Integer Recommended Which social media sites do you have an account on? Select all that are applicable: 6, Pinterest, 1;0 1=Yes=0 No
screen_wknd_school_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_wknd_school_hr] > 0'' OR [screentime_wknd_school_min] > ''0'')''
screen_14_wknd_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_14_wknd_hr] > 0'' OR [screentime_14_wknd_min] > ''0'')''
screen_7_8_wknd_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_7_8_wknd_hr] > 0'' OR [screentime_7_8_wknd_min] > ''0'')''
screen_8_wkdy_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_8_wkdy_hr] > 0'' OR [screentime_8_wkdy_min] > ''0'')''
screen_10_wknd_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_10_wknd_hr] - [screen_10_wknd_hr_y]) + (([screentime_10_wknd_min] - [screen_10_wknd_min_y])/60)) < 0)
screen_14_wknd_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_14_wknd_hr] > 0'' OR [screentime_14_wknd_min] > ''0'')''
screen_wknd_typical_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_wknd_typical_hr] > 0'' OR [screentime_wknd_typical_min] > ''0'')''
screen_9_wknd_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_9_wknd_hr] > 0'' OR [screentime_9_wknd_min] > ''0'')''
screen_4_wkdy_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 [event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1' AND ([screentime_4_wkdy_hr] > 0'' OR [screentime_4_wkdy_min] > ''0'')''
screen_3_wkdy_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours [event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1' AND ([screentime_3_wkdy_hr] > 0'' OR [screentime_3_wkdy_min] > '0')''
screen_wkdy_school_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') and ([screentime_wkdy_school_hr] > '0' OR [screentime_wkdy_school_min] > '0')
screen_9_wkdy_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_9_wkdy_hr] > 0'' OR [screentime_9_wkdy_min] > ''0'')''
screen_4_wkdy_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours [event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1' AND ([screentime_4_wkdy_hr] > 0'' OR [screentime_4_wkdy_min] > ''0'')''
screen_5_wkdy_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_5_wkdy_hr] - [screen_5_wkdy_hr_y]) + (([screentime_5_wkdy_min] - [screen_5_wkdy_min_y])/60)) < 0)
screen_3_wkdy_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 [event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1' AND ([screentime_3_wkdy_hr] > 0'' OR [screentime_3_wkdy_min] > '0')''
screen_wknd_school_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_wknd_school_hr] > 0'' OR [screentime_wknd_school_min] > ''0'')''
screen_10_wknd_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_10_wknd_hr] > 0'' OR [screentime_10_wknd_min] > ''0'')''
screen_6_wkdy_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_6_wkdy_hr] > 0'' OR [screentime_6_wkdy_min] > ''0'')''
screen_7_8_wknd_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_7_8_wknd_hr] - [screen_7_8_wknd_hr_y]) + (([screentime_7_8_wknd_min] - [screen_7_8_wknd_min_y])/60)) < 0)
screen_9_wkdy_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_9_wkdy_hr] - [screen_9_wkdy_hr_y]) + (([screentime_9_wkdy_min] - [screen_9_wkdy_min_y])/60)) < 0)
screen_11_wknd_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_11_wknd_hr] > 0'' OR [screentime_11_wknd_min] > ''0'')''
screen_wkdy_typical_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_wkdy_typical_hr] > 0'' OR [screentime_wkdy_typical_min] > ''0'')''
screen_wkdy_typical_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_wkdy_typical_hr] - [screen_wkdy_typical_hr_y]) + (([screentime_wkdy_typical_min] - [screen_wkdy_typical_min_y])/60)) < 0)
screen_1_wkdy2_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_1_wkdy2_hr] > 0'' OR [screentime_1_wkdy2_min] > ''0'')''
screen_9_wkdy_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_9_wkdy_hr] > 0'' OR [screentime_9_wkdy_min] > ''0'')''
screen_1_wkdy2_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_1_wkdy2_hr] - [screen_1_wkdy2_hr_y]) + (([screentime_1_wkdy2_min] - [screen_1_wkdy2_min_y])/60)) < 0)
screen_wkdy_school_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_wkdy_school_hr] - [screen_wkdy_school_hr_y]) + (([screentime_wkdy_school_min] - [screen_wkdy_school_min_y])/60)) < 0)
screen_14_wknd_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_14_wknd_hr] - [screen_14_wknd_hr_y]) + (([screentime_14_wknd_min] - [screen_14_wknd_min_y])/60)) < 0)
screen_wkdy_school_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') and ([screentime_wkdy_school_hr] > '0' OR [screentime_wkdy_school_min] > '0')
screen_wknd_typical_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_wknd_typical_hr] - [screen_wknd_typical_hr_y]) + (([screentime_wknd_typical_min] - [screen_wknd_typical_min_y])/60)) < 0)
screen_15_wknd_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_15_wknd_hr] > '0' OR [screentime_15_wknd_min] > '0')
screen_12_wknd_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_12_wknd_hr] > 0'' OR [screentime_12_wknd_min] > ''0'')''
screen_15_wknd_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_15_wknd_hr] > '0' OR [screentime_15_wknd_min] > '0')
screen_9_wknd_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_9_wknd_hr] - [screen_9_wknd_hr_y]) + (([screentime_9_wknd_min] - [screen_9_wknd_min_y])/60)) < 0)
screen_11_wknd_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_11_wknd_hr] - [screen_11_wknd_hr_y]) + (([screentime_11_wknd_min] - [screen_11_wknd_min_y])/60)) < 0)
screen_4_wkdy_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_4_wkdy_hr] - [screen_4_wkdy_hr_y]) + (([screentime_4_wkdy_min] - [screen_4_wkdy_min_y])/60)) < 0)
screen_12_wknd_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_12_wknd_hr] - [screen_12_wknd_hr_y]) + (([screentime_12_wknd_min] - [screen_12_wknd_min_y])/60)) < 0)
screen_9_wknd_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_9_wknd_hr] > 0'' OR [screentime_9_wknd_min] > ''0'')''
screen_1_wkdy2_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_1_wkdy2_hr] > 0'' OR [screentime_1_wkdy2_min] > ''0'')''
screen_wknd_typical_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_wknd_typical_hr] > 0'' OR [screentime_wknd_typical_min] > ''0'')''
screen_8_wkdy_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_8_wkdy_hr] - [screen_8_wkdy_hr_y]) + (([screentime_8_wkdy_min] - [screen_8_wkdy_min_y])/60)) < 0)
screen_5_wkdy_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_5_wkdy_hr] > 0'' OR [screentime_5_wkdy_min] > ''0'')''
screen_8_wkdy_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_8_wkdy_hr] > 0'' OR [screentime_8_wkdy_min] > ''0'')''
screen_12_wknd_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_12_wknd_hr] > 0'' OR [screentime_12_wknd_min] > ''0'')''
screen_wkdy_typical_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_wkdy_typical_hr] > 0'' OR [screentime_wkdy_typical_min] > ''0'')''
screen_3_wkdy_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_3_wkdy_hr] - [screen_3_wkdy_hr_y]) + (([screentime_3_wkdy_min] - [screen_3_wkdy_min_y])/60)) < 0)
screen_10_wknd_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_10_wknd_hr] > 0'' OR [screentime_10_wknd_min] > ''0'')''
screen_6_wkdy_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_6_wkdy_hr] > 0'' OR [screentime_6_wkdy_min] > ''0'')''
screen_5_wkdy_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_5_wkdy_hr] > 0'' OR [screentime_5_wkdy_min] > ''0'')''
screen_15_wknd_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_15_wknd_hr] - [screen_15_wknd_hr_y]) + (([screentime_15_wknd_min] - [screen_15_wknd_min_y])/60)) < 0)
screentime_1_wkdy2_hr Integer Recommended On a typical weekday 0::23 0=0 ; 1=1 ; 2=2 ; 3=3 ; 4=4 ; 5=5 ; 6=6 ; 7=7 ; 8=8 ; 9=9 ; 10=10 ; 11=11 ; 12=12 ; 13=13 ; 14=14 ; 15=15 ; 16=16 ; 17=17 ; 18=18 ; 19=19 ; 20=20 ; 21=21 ; 22=22 ; 23=23
screentime_1_wkdy2_min Integer Recommended On a typical weekday 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '3_year_follow_up_y_arm_1' OR [event-name] = '4_year_follow_up_y_arm_1')
screentime_7_8_wknd_hr Integer Recommended On a typical weekend day 0::23 0=0 ; 1=1 ; 2=2 ; 3=3 ; 4=4 ; 5=5 ; 6=6 ; 7=7 ; 8=8 ; 9=9 ; 10=10 ; 11=11 ; 12=12 ; 13=13 ; 14=14 ; 15=15 ; 16=16 ; 17=17 ; 18=18 ; 19=19 ; 20=20 ; 21=21 ; 22=22 ; 23=23 ([event-name] = '3_year_follow_up_y_arm_1' OR [event-name] = '4_year_follow_up_y_arm_1')
screen_11_wknd_hr_y Integer Recommended How much of this time is on your smartphone? 0::23 0=0 hour ; 1=1 hour ; 2=2 hours ; 3=3 hours ; 4=4 hours ; 5=5 hours ; 6=6 hours ; 7=7 hours ; 8=8 hours ; 9=9 hours ; 10=10 hours ; 11=11 hours ; 12=12 hours ; 13=13 hours ; 14=14 hours ; 15=15 hours ; 16=16 hours ; 17=17 hours ; 18=18 hours ; 19=19 hours ; 20=20 hours ; 21=21 hours ; 22=22 hours ; 23=23 hours ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_11_wknd_hr] > 0'' OR [screentime_11_wknd_min] > ''0'')''
screentime_7_8_wknd_min Integer Recommended On a typical weekend day 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '3_year_follow_up_y_arm_1' OR [event-name] = '4_year_follow_up_y_arm_1')
screentime_wkdy_school_hr Integer Recommended On a typical WEEKDAY (during the school year) 0::23 0=0 ; 1=1 ; 2=2 ; 3=3 ; 4=4 ; 5=5 ; 6=6 ; 7=7 ; 8=8 ; 9=9 ; 10=10 ; 11=11 ; 12=12 ; 13=13 ; 14=14 ; 15=15 ; 16=16 ; 17=17 ; 18=18 ; 19=19 ; 20=20 ; 21=21 ; 22=22 ; 23=23 ([event-name] = '3_year_follow_up_y_arm_1') OR ([screentime_phone_yn] = '1' AND [event-name] = '4_year_follow_up_y_arm_1')
screentime_wkdy_school_min Integer Recommended On a typical WEEKDAY (during the school year) 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '3_year_follow_up_y_arm_1') OR ([screentime_phone_yn] = '1' AND [event-name] = '4_year_follow_up_y_arm_1')
screentime_wknd_school_hr Integer Recommended On a typical WEEKEND DAY (or non-school day 0::23 0=0 ; 1=1 ; 2=2 ; 3=3 ; 4=4 ; 5=5 ; 6=6 ; 7=7 ; 8=8 ; 9=9 ; 10=10 ; 11=11 ; 12=12 ; 13=13 ; 14=14 ; 15=15 ; 16=16 ; 17=17 ; 18=18 ; 19=19 ; 20=20 ; 21=21 ; 22=22 ; 23=23 ([event_name_number] = '31' OR [event-name] = '4_year_follow_up_y_arm_1')
screentime_wknd_school_min Integer Recommended On a typical WEEKEND DAY (or non-school day 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event_name_number] = '31' OR [event-name] = '4_year_follow_up_y_arm_1')
screen_6_wkdy_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_6_wkdy_hr] - [screen_6_wkdy_hr_y]) + (([screentime_6_wkdy_min] - [screen_6_wkdy_min_y])/60)) < 0)
screen_wknd_school_error_y String 100 Recommended Answer choice cannot be greater than the first question! ([screentime_phone_yn] = '1') and ((([screentime_wknd_school_hr] - [screen_wknd_school_hr_y]) + (([screentime_wknd_school_min] - [screen_wknd_school_min_y])/60)) < 0)
screen_7_8_wknd_min_y Integer Recommended How much of this time is on your smartphone? 0;15;30;45 0=0 ; 15=15 ; 30=30 ; 45=45 ([event-name] = '4_year_follow_up_y_arm_1' AND [screentime_phone_yn] = '1') AND ([screentime_7_8_wknd_hr] > 0'' OR [screentime_7_8_wknd_min] > ''0'')''
Data Structure

This page displays the data structure defined for the measure identified in the title and structure short name. The table below displays a list of data elements in this structure (also called variables) and the following information:

  • Element Name: This is the standard element name
  • Data Type: Which type of data this element is, e.g. String, Float, File location.
  • Size: If applicable, the character limit of this element
  • Required: This column displays whether the element is Required for valid submissions, Recommended for valid submissions, Conditional on other elements, or Optional
  • Description: A basic description
  • Value Range: Which values can appear validly in this element (case sensitive for strings)
  • Notes: Expanded description or notes on coding of values
  • Aliases: A list of currently supported Aliases (alternate element names)
  • For valid elements with shared data, on the far left is a Filter button you can use to view a summary of shared data for that element and apply a query filter to your Cart based on selected value ranges

At the top of this page you can also:

  • Use the search bar to filter the elements displayed. This will not filter on the Size of Required columns
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