Loading...

National Institute of Mental Health Data Archive (NDA) Sign In
NDA

Enter the email address associated with your existing NDA Account and click Continue Linking Process.

If you do not have an existing NDA account, click Go Back.

Warning Notice This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.
National Institute of Mental Health Data Archive (NDA) Sign In
NDA

Success! An email is on its way!

Please check your email to complete the linking process. The link you receive is only valid for 30 minutes.

Check your spam or junk folder if you do not receive the email in the next few minutes.

Warning Notice This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.
Create or Link an Existing NDA Account

Warning Notice

This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.

NIMH Data Archive (NDA) Sign In or Create An Account
Update Password

You have logged in with a temporary password. Please update your password. Passwords must contain 8 or more characters and must contain at least 3 of the following types of characters:

  • Uppercase
  • Lowercase
  • Numbers
  • Special Characters limited to: %,_,!,@,#,$,-,%,&,+,=,),(,*,^,:,;
Update Password

Subscribe to our mailing list

Mailing List(s)
Email Format

You are now leaving the NIMH Data Archive (NDA) web site to go to:

Click on the address above if the page does not change within 10 seconds.

Disclaimer

NDA is not responsible for the content of this external site and does not monitor other web sites for accuracy.

Accept Terms
Data Access Terms - Decline Terms

Are you sure you want to cancel? This will decline terms and you will not be authorized for access.

NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

Actigraphy Recording

302 Shared Subjects

N/A
Clinical Assessments
Sleep
02/27/2018
actirec01
12/27/2023
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* guid
src_subject_id String 20 Required Subject ID how it's defined in lab/project ssidno00
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY recording_end_date
interviewage Integer Required Age in months at the time of the interview/test/sampling/imaging. 0 :: 1200 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. interview_age, recording_end_age
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender, ssgndr
model String 100 Recommended Model of the actigraph
start_date Date Recommended Start date of the actigraphy recording in_bed_date
act_start_time String 20 Recommended Start time of the actigraphy recording in_bed_time, start_time
end_date Date Recommended End date of the actigraphy recording out_bed_date
end_time String 20 Recommended End time of the actigraphy recording out_bed_time
time_zone String 20 Recommended Time zone (e.g. eastern time)
data_file1 File 255 Recommended Data file 1 date_file1
data_file1_type String 300 Recommended type of data file 1
fit_ss_wake_count Integer Recommended Total number of unique awakenings during the sleep period (excludes final awakening)
fit_ss_sleep_efficiency Integer Recommended Ratio of time spent asleep to total time in bed, with total time in bed including true sleep and waking episodes
eventname String 60 Recommended The event name for which the data was collected
fit_ss_weekday Integer Recommended Day of the week 1::7 1=Sunday, 2=Monday, 3=Tuesday, 4=Wednesday, 5=Thursday, 6=Friday, 7=Saturday
fit_ss_first_inbed_minutes String 30 Recommended First Minute that the participant was identified as being in-bed (but not necessarily asleep) Unless otherwise stated, all data is offset by 12 hours so that 00:00= noon; 23:59=11:59A
fit_ss_first_sleep_minutes String 30 Recommended First Minute that the participant was identified as being asleep Unless otherwise stated, all data is offset by 12 hours so that 00:00= noon; 23:59=11:59A
fit_ss_outbed_minutes String 30 Recommended First Minute that the participant was identified as being out-bed (but may have woken up prior to this) Unless otherwise stated, all data is offset by 12 hours so that 00:00= noon; 23:59=11:59A
fit_ss_wakeup_minutes String 30 Recommended First Minute that the participant was identified as being awake Unless otherwise stated, all data is offset by 12 hours so that 00:00= noon; 23:59=11:59A
fit_ss_total_sleep_minutes Integer Recommended Total time within the sleep window (including wake periods) as calculated by 30 second sleep record
totalac Integer Recommended Total Activity Count: Number of activity counts on the day of the interval being analyzed
avgacmin Float Recommended Average Activity Count Calculated by: Activity counts/min
maxac Integer Recommended Maximum Activity Count: Maximum number of activity counts recorded
onsetlat Integer Recommended Onset Latency: The length of time it takes to transition of wakefulness to sleep In minutes
eff Integer Recommended Sleep Efficiency: Percentage of total time in bed that was actually spent asleep 0::100
waso Integer Recommended Wake After Sleep Onset: The amount of time the participant was awake during the night In minutes
percentwake Integer Recommended Percentage of time spent awake 0::100 Calculated by: Waketime/duration*100
numwakebouts Integer Recommended Number of periods of segmented wake times
avgwakeb Integer Recommended Number of minutes per segmented wake time In minutes
sleeptimemin Integer Recommended Number of minutes asleep after sleep onset In minutes
percentsleep Integer Recommended Percentage of time spent asleep 0::100 Calculated by: Sleeptime/duration*100
numsleepbouts Integer Recommended Number of periods of segmented sleep time
avgsleepb Integer Recommended Number of minutes per segmented sleep time In minutes
fragmentation Integer Recommended Sleep Fragmentation: Percentage of epochs with y-axis greater than 0 + percent 1 minute sleep vs. all periods of sleep during the sleep period 0::100
timepoint_label String 50 Recommended Timepoint/visit label
waketimemin Integer Recommended Wake Time: The number of minutes awake after sleep onset In minutes
sleepduration Integer Recommended Sleep Duration: The number of minutes the participant was sleeping In minutes
analysisname String 100 Recommended Analysis Name
intervaltype String 100 Recommended Interval Type
intervalnum Integer Recommended Interval Number
act_start_day String 10 Recommended Start day of the actigraphy recording
act_end_day String 10 Recommended End day of the actigraphy recording
offwrist Integer Recommended Off wrist minutes: The number of minutes the participant did not have the wrist actigraph on during ''Duration'' In minutes
percentoffwrist Integer Recommended Percentage of time Offwrist 0::100 Calculated by: Offwrist/Duration*100
visit String 60 Recommended Visit name
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
  • Download a copy of this definition in CSV format
  • Download a blank CSV submission template prepopulated with the correct structure header rows ready to fill with subject records and upload

Please email the The NDA Help Desk with any questions.

Additional Information
Training Privacy Policy Disclaimer Contact Us
External Resources
Accessibility FOIA OIG HHS Vulnerability Disclosure
NIH Logo HHS Logo USA Gov Logo
c725efb98f608e6bc0136950f08b0c3af2bde994