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NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

Insomnia Severity Index

12,730 Shared Subjects

N/A
Clinical Assessments
Sleep
02/22/2017
isi01
04/12/2023
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* ndar_isi
src_subject_id String 20 Required Subject ID how it's defined in lab/project subjectid
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY date_isi
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. age_isi
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender, gender_isi, sex
Query insomnia_falling Integer Recommended Please rate the CURRENT (i.e. LAST 2 WEEKS) SEVERITY of your insomnia problem(s).Difficulty falling asleep PX640801_Insomnia_Falling_Asleep 0::4; 9999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Very Severe; 9999=no data insomnia_severity_1, isi_falling
Query insomnia_staying Integer Recommended Please rate the CURRENT (i.e. LAST 2 WEEKS) SEVERITY of your insomnia problem(s).Difficulty staying asleep PX640801_Insomnia_Staying_Asleep 0::4; 9999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Very Severe; 9999=no data insomnia_severity_2, isi_staying
Query insomnia_waking Integer Recommended Please rate the CURRENT (i.e. LAST 2 WEEKS) SEVERITY of your insomnia problem(s).Problems waking up too early PX640801_Insomnia_Waking_Up_Early 0::4; 9999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Very Severe; 9999=no data insomnia_severity_3, isi_wakingearly
Query insomnia_satisfied Integer Recommended How SATISFIED/DISSATISFIED are you with your CURRENT sleep pattern? PX640801_Insomnia_SatisfiedDissatisfied_Sleep_Pattern 0::4; 9999 0=Very Satisfied; 1=Satisfied; 2=Moderately Satisfied; 3=Dissatisfied; 4=Very Dissatisfied; 9999=no data insomnia_severity_4, isi_satisfied, sleepsatisfaction, sleepsatisfaction_r
Query insomnia_noticeable Integer Recommended How NOTICEABLE to others do you think your sleep problem is in terms of impairing the quality of your life? PX640801_Insomnia_Noticeable_Impairing_QOL 0::4; 9999 0=Not at all Noticeable; 1=A little; 2=Somewhat; 3=Much; 4=Very much Noticeable; 9999=no data insomnia_severity_5, isi_noticeable, othersnoticediff
Query insomnia_worried Integer Recommended How WORRIED/DISTRESSED are you about your current sleep problem? PX640801_Insomnia_Worried_Distressed 0::4; 9999 0=Not at all Worried; 2=A little; 2=Somewhat; 3=Much; 4=Very much Worried; 9999=no data insomnia_severity_6, isi_worry, worriedaboutsleep
Query insomnia_interfere Integer Recommended To what extent do you consider your sleep problem to INTERFERE with your daily functioning (e.g. daytime fatigue, mood, ability to function at work/daily chores, concentration, memory, mood, etc.) CURRENTLY? PX640801_Insomnia_Interfere_DailyFunctioning 0::4; 9999 0=Not at all Interfering; 1=A little; 2=Somewhat; 3=Much; 4=Very much Interfering; 9999= no data insomnia_severity_7, isi_interfere, sleepprobinterfere
Query insomnia_score Integer Recommended Insomnia Total score PX640801_Insomnia_Scoring 0::28 Total score categories: 0-7 = No clinically significant insomnia; 8-14 = Sub-threshold insomnia; 15-21 = Clinical insomnia (moderate severity); 22-28 = Clinical insomnia (severe) insomnia_score1, isi_severity
site String 101 Recommended Site Study Site siteid
Query timept Integer Recommended Time Point 888 = not applicable; 999 = missing timepoint
Query difffallingasleep Integer Recommended ISI: How Often Diff Fall Asleep (30 days) 0 :: 4; -5; -7; -8 0=Never; 1=Less than once a week; 2=1-2 nights a week; 3=3-4 nights a week; 4=Every or nearly every night; -8=DON'T KNOW; -7=REFUSED; -5=Presented, not answered
Query diffstayingasleep Integer Recommended ISI: How Often Diff Stay Asleep (30 days) 0 :: 4; -5; -7; -8 0=Never; 1=Less than once a week; 2=1-2 nights a week; 3=3-4 nights a week; 4=Every or nearly every night; -8=DON'T KNOW; -7=REFUSED; -5=Presented, not answered
Query wakeuptooearly Integer Recommended ISI: How Often Wake Too Early (30 days) 0 :: 4; -5; -7; -8 0=Never; 1=Less than once a week; 2=1-2 nights a week; 3=3-4 nights a week; 4=Every or nearly every night; -8=DON'T KNOW; -7=REFUSED; -5=Presented, not answered
severity30_1 Integer Recommended How would you rate the severity of Difficulty falling alseep in the past 30 days? 0::4 0= No Problem; 1= Mild; 2= Moderate; 3= Severe; 4= Very Severe
severity30_2 Integer Recommended How would you rate the severity of Difficulty staying alseep in the past 30 days? 0::4 0= No Problem; 1= Mild; 2= Moderate; 3= Severe; 4= Very Severe
severity30_3 Integer Recommended How would you rate the severity of Waking up too ealry in the past 30 days? 0::4 0= No Problem; 1= Mild; 2= Moderate; 3= Severe; 4= Very Severe
satisf Integer Recommended How satisfied were you with your sleep pattern in the past 30 days? 0::4 0= Very Dissatisfied; 1= Dissatisfied; 2=Moderately Satisfied; 3=Satisfied; 4= Very Satisfied
probl30 Integer Recommended In the past 30 days, how much did problems with your sleep interfere with your daily functioning (e.g., daytime fatigue, ability to function at work or perform daily chores, concentration, memory, mood)? 0::4 0= Not at all; 1= A little; 2= Somewhat; 3= A lot; 4= Extremely
notic30 Integer Recommended In the past 30 days, how noticeable to others were your difficulties in functioning due to your sleep problem? 0::4 0= Not at all; 1= A little; 2= Somewhat; 3= A lot; 4= Extremely
distr30 Integer Recommended In the past 30 days, how worried or distressed were you about your sleep problem? 0::4 0= Not at all; 1= A little; 2= Somewhat; 3= A lot; 4= Extremely
insomnia_falling1 Integer Recommended Please rate the CURRENT (i.e. Last 1 week) SEVERITY of your insomnia problem(s). Difficulty falling asleep. 0::4; 9999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Very Severe; 9999=no data isi_1
insomnia_staying1 Integer Recommended Please rate the CURRENT (Last 1 week) SEVERITY of your insomnia problem(s).Difficulty staying asleep. 0::4; 9999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Very Severe; 9999=no data isi_2
insomnia_waking1 Integer Recommended Please rate the CURRENT (i.e. Last 1 week) SEVERITY of your insomnia problem(s).Problems waking up too early 0::4; 9999 0=None; 1=Mild; 2=Moderate; 3=Severe; 4=Very Severe; 9999=no data isi_3
insomnia_satisfied1 Integer Recommended How SATISFIED/DISSATISFIED are you with your CURRENT (i.e. Last 1 week) sleep pattern? 0::4; 9999 0=Very Satisfied; 1=Satisfied; 2=Moderately Satisfied; 3=Dissatisfied; 4=Very Dissatisfied; 9999=no data isi_4
insomnia_noticeable1 Integer Recommended How NOTICEABLE to others do you think your sleep problem is in terms of impairing the quality of your life in the Last 1 Week? 0::4; 9999 0=Not at all Noticeable; 1=A little; 2=Somewhat; 3=Much; 4=Very much Noticeable; 9999=no data isi_5
insomnia_worried1 Integer Recommended How WORRIED/DISTRESSED are you about your current (i.e. Last 1 week) sleep problem? 0::4; 9999 0=Not at all Worried; 1=A little; 2=Somewhat; 3=Much; 4=Very much Worried; 9999=no data isi_6
insomnia_interfere1 Integer Recommended To what extent do you consider your sleep problem to INTERFERE with your daily functioning (e.g. daytime fatigue, mood, ability to function at work/daily chores, concentration, memory, mood, etc.) CURRENTLY (i.e. Last 1 week)? 0::4; 9999 0=Not at all Interfering; 1=A little; 2=Somewhat; 3=Much; 4=Very much Interfering; 9999= no data isi_7
timepoint_label String 50 Recommended Timepoint/visit label
isi_rs Float Recommended Insomnia Severity Raw score 0::3 0 = No clinically significant insomnia; 1 = Subthreshold insomnia; 2 = Clinical insomnia (moderate); 3 = Clinical insomnia (severe)
isi_rs_imputed_f1b Float Recommended Insomnia Severity Raw score; fully imputed for F1B cohort 0::3 0 = No clinically significant insomnia; 1 = Subthreshold insomnia; 2 = Clinical insomnia (moderate); 3 = Clinical insomnia (severe)
first_rs Float Recommended FIRST Ford Insomnia Response to Stress Test - Raw Score 0::8 Progressively higher scores indicates worsening of symptoms.
first_rs_imputed_f1b Float Recommended FIRST Ford Insomnia Response to Stress Test - Raw Score; fully imputed for F1B cohort 0::8 Progressively higher scores indicates worsening of symptoms.
studyphase Integer Recommended Study Phase 1::6; -888; -999 1=Phase 1: Treatment as Usual(TAU); 2=Phase 2: Screening Only; 3=Phase 3: Intervention; 4=Focus Groups; 5=Open Trial; 6=Randomized Trial; -888=Not Applicable; -999=Missing;
treatmentgroup String 30 Recommended Treatment condition
month_interview Integer Recommended Month of the interview 0::6 0=Baseline; 1=Month 1; 2=Month 2; 3=Month 3; 4= Month 4; 5= Month 5; 6=Month 6
isi Integer Recommended Insomnia Severity Indicator 0 :: 3 0 = No clinically significant insomnia; 1 = Subthreshold insomnia; 2 = Clinical insomnia (moderate); 3 = Clinical insomnia (severe)
siteid Integer Recommended Site ID 10::100
sleep_satis_30days Integer Recommended ISI: How Satisfied Sleep (30 days) 1 :: 5; -5; -7; -8 1=Very dissatisfied; 2=Somewhat dissatisfied; 3=Not very satisfied; 4=Somewhat satisfied; 5=Very satisfied; -8=DON''T KNOW; -7=REFUSED; -5=Presented, not answered
sleep_prob_interfere Integer Recommended ISI: Extent Problems Interfere (30 days) 0 :: 4; -5; -7; -8 0=Not at all; 1=A little; 2=Somewhat; 3=A lot; 4=Extremely; -8=DON''T KNOW; -7=REFUSED; -5=Presented, not answered
others_notice_diff Integer Recommended ISI: Sleep Problems Noticeable (30 days) 0 :: 4; -5; -7; -8 0=Not at all noticeable; 1=A little; 2=Somewhat; 3=A lot; 4=Very noticeable; -8=DON''T KNOW; -7=REFUSED; -5=Presented, not answered
worried_about_sleep Integer Recommended ISI: How Worried About Sleep (30 days) 0 :: 4; -5; -7; -8 0=Not at all worried; 1=A little; 2=Somewhat; 3=A lot; 4=Very worried; -8=DON''T KNOW; -7=REFUSED; -5=Presented, not answered
isi_rawscore Integer Recommended Total Insomnia Severity Index raw score 0 :: 28 Progressively higher scores indicates worsening of symptoms.
isi_rawscore_imputed Integer Recommended Insomnia Severity Raw score; fully imputed for F1B cohort 0 :: 28 Progressively higher scores indicates worsening of symptoms.
insomnia_categ Integer Recommended Insomnia Score Category 0::3 0=No Clinicially Significant Insomnia (0-7); 1=Subthreshold Insomnia (8-14); 2=Clinical Insomnia (Moderate Severity) (15-21); 3=Clinical Insomnia (Severe) (22-28)
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
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  • 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)
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