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Description
Value Range
Notes
Data Structures with shared data
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Insomnia Hypersomnia Scale

ihs

01

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Element NameData TypeSizeRequiredDescriptionValue RangeNotesAliases
subjectkeyGUIDRequiredThe NDAR Global Unique Identifier (GUID) for research subjectNDAR*
src_subject_idString20RequiredSubject ID how it's defined in lab/projectstepid
interview_dateDateRequiredDate on which the interview/genetic test/sampling/imaging was completed. MM/DD/YYYYRequired field
interview_ageIntegerRequiredAge in months at the time of the interview/test/sampling/imaging.0 :: 1260Age 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.
genderString20RequiredSex of the subjectM;FM = Male; F = Female
insomnia1IntegerRecommendedDuring the past two weeks, have you had any trouble falling asleep at the beginning of the night? (QIDSC1)0::30=Never takes longer than 30 minutes to fall asleep; 1=Takes at least 30 minutes to fall asleep less than half the time; 2=Takes at least 30 minutes to fall asleep more than half the time; 3=Takes more than 60 minutes to fall asleep more than half the time
insomnia2IntegerRecommendedPSQI Component 2 (Sleep latency) score0::30 = sum PSQI2 + PSQI5a is 0; 1 = sum is 1-2; 2 = sum is 3-4; 3 = sum is 5-6
csq_psqi_7IntegerRecommendedDuring the past two weeks, how often have you taken medicine (prescribed or "over the counter") to help you sleep?0::30=Not at all; 1=Less than once a week; 2=Once or twice a week; 3=Three times or more a weekinsomnia3
insomnia4IntegerRecommendedDuring the past two weeks, have you been waking up in the middle of the night? (QIDSC2)0::30=Does not wake up at night; 1=Restless light sleep with few awakenings; 2=Wakes up at least once a night but goes back to sleep easily; 3=Awakens more than once a night and stays awake for 20 minutes or more more than half the time
csq_psqi_5b1IntegerRecommendedDuring the past two weeks, how often have you had trouble sleeping because you wake up in the middle of the night?0::30=Not at all; 1=Less than once a week; 2=Once or twice a week; 3=Three times or more a weekinsomnia5
insomnia6IntegerRecommendedDuring the past two weeks, what time have you been waking up in the morning (QIDSC3)0::30=Less than half the time awakens no more than 30 minutes before necessary; 1=More than half the time awakens more than 30 minutes before need be; 2=Awakens at least one hour before need be more than half the time; 3=Awakens at least two hours before need be more than half the time
csq_psqi_5b2IntegerRecommendedDuring the past two weeks, how often have you had trouble sleeping because you wake up early in the morning?0::30=Not at all; 1=Less than once a week; 2=Once or twice a week; 3=Three times or more a weekinsomnia7
insomnia8IntegerRecommendedPSQI Component 4 (Sleep efficiency) score0::30 = sleep efficiency greater than 85%; 1 = 75-84%; 2 = 65-74%; 3 = less than 65%; Sleep efficiency = (Number of hours slept from PSQI4/Number of hours in bed calculated from PSQI1 and PSQI3)*100
insomnia9IntegerRecommendedDuring the past two weeks, how many hours of actual sleep did you get at night? This may be different than the number of hours you spend in bed. (PSQI4)0::30=Greater than 7 hours of sleep per night; 1=Between 6 and 7 hours of sleep per night; 2=Between 5 and 6 hours of sleep per night; 3=Less than 5 hours of sleep per night
insomnia10IntegerRecommendedDuring the past two weeks, what has your sleep been like? (CMF Depression 4 Insomnia)0::30=No symptoms, questionable, slight, or rare symptoms, sleeping normally every night or any sleep decrease 1-2x/wk; 1=Mild symptom, clearly present decreased from normal but subthreshold for DSM; 2=Moderate symptom, >=1 hr/day less than normal for >=10/14 days; 3=Severe symptom, sleep decrease 50% below normal for >=10/14 days
hypersomnia1IntegerRecommendedDuring the past two weeks, how often have you had to go to bed earlier than usual? (CMF)0::30=Not at all; 1=Less than once a week; 2=Once or twice a week; 3=Three times or more a week
hypersomnia2IntegerRecommendedDuring the past two weeks, how often have you had difficulty getting out of bed in the morning? (CMF)0::30=Not at all; 1=Less than once a week; 2=Once or twice a week; 3=Three times or more a week
hypersomnia3IntegerRecommendedDuring the past two weeks, how often have you been napping? (CMF)0::30=Not at all; 1=Less than once a week; 2=Once or twice a week; 3=Three times or more a week
csq_psqi_8IntegerRecommendedDuring the past two weeks, how often have you had trouble staying awake while driving, eating meals, or engaging in social activity?0::30=Not at all; 1=Less than once a week; 2=Once or twice a week; 3=Three times or more a weekhypersomnia4
hypersomnia5IntegerRecommendedDuring the past two weeks, to what extent do you think that you feel sleepy during the daytime? (KaplanHarvey)0::40=Never; 1=Rarely; 2=Every once in a while; 3=Sometimes; 4=Almost always
hypersomnia6IntegerRecommendedDuring the past two weeks, how many hours on average have you been sleeping in a 24-hour period, including naps? (QIDSC4)0::30=Sleeps no longer than 7-8 hours per night without naps; 1=Sleeps no longer than 10 hours in a 24 hour period including naps; 2=Sleeps no longer than 12 hours in a 24 hour period including naps; 3=Sleeps longer than 12 hours in a 24 hour period including naps
hypersomnia7IntegerRecommendedDuring the past two weeks, what has your sleep been like? (CMF Depression 4 Hypersomnia)0::30=No symptoms, questionable, slight, or rare symptoms, sleeping normally every night or any sleep increase 1-2x/wk; 1=Mild symptom, clearly present increased from normal but subthreshold for DSM; 2=Moderate symptom, >=1 hr/day more than normal for >=10/14 days; 3=Severe symptom, sleep increase 50% above normal for>=10/14 days
insomnia_total_scoreFloatRecommendedInsomnia Score0::30insomnia1 + insomnia2 + insomnia3 + insomnia4 + insomnia5 + insomnia6 + insomnia7 + insomnia8 + insomnia9 + insomnia10
hypersomnia_total_scoreFloatRecommendedHypersomnia Score0::22hypersomnia1 + hypersomnia2 + hypersomnia3 + hypersomnia4 + hypersomnia5 + hypersomnia6 + hypersomnia7
subject_descriptionString4,000RecommendedSubject related information (e.g the affection, phenotype, disease information, etc.).
siteString100RecommendedSiteStudy Sitesiteid
weekFloatRecommendedWeek in level/study99=week 10-week 14
days_baselineIntegerRecommendedDays since baseline
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.

Distribution for DataStructure: ihs01 and Element:
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Filters enable researchers to view the data shared in NDA before applying for access or for selecting specific data for download or NDA Study assignment. For those with access to NDA shared data, you may select specific values to be included by selecting an individual bar chart item or by selecting a range of values (e.g. interview_age) using the "Add Range" button. Note that not all elements have appropriately distinct values like comments and subjectkey and are not available for filtering. Additionally, item level detail is not always provided by the research community as indicated by the number of null values given.

Filters for multiple data elements within a structure are supported. Selections across multiple data structures will be supported in a future version of NDA.