Table 1.

Common data elements in the cross-integrated discovery program sleep study.

CDE	Question(s)	Response option(s)
Brain-CODE demographic form	What is the subject’s date of birth?	DD/MMM/YYYY
Brain-CODE demographic form	What is the sex of the subject?	Female Male Unknown Unspecified
Brain-CODE demographic form	What is the ethnicity of the subject?	Aboriginal Arab Black Chinese East Asian Filipino Japanese Jewish Korean Latin American/Hispanic South Asian Southeast Asian West Asian White Other ethnic group Do not know Prefer not to answer
Brain-CODE demographic form	What is the subject’s primary caregiver’s highest grade or level of school completed or the highest degree obtained?	Never attended/Kindergarten only 1st grade 2nd grade 3rd grade 4th grade 5th grade 6th grade 7th grade 8th grade 9th grade 10th grade 11th grade 12th grade, no diploma High school graduate GED or equivalent Some college, no degree Associate degree: occupational/technical/vocational program Associate degree: academic program Bachelor’s degree (e.g.; BA; AB; BS; BBA) Master’s degree (e.g.; MA; MS; MEng; MEd; MBA) Professional school degree (e.g.; MD; DDS; DVM; JD) Doctoral degree (e.g.; PhD; EdD) Unknown
Brain-CODE demographic form	What is the subject’s approximate total household income (from all sources) before taxes last year?	Less than $10,000 $10,000–$24,999 $25,000–$49,999 $50,000–$74,999 $75,000–$99,999 $100,000–$149,999 $150,000–$199,999 $200,000 or more Do not know Prefer not to answer
Child’s sleep habits questionnaire (CSHQ)	45 questions pertaining to sleep habits and possible difficulties with sleep	Usually (5 or more times/week) Sometimes (2–4 times/week) Rarely (never or 1 time/week)
KINDL-R	24 questions pertaining to child’s well-being and health-related quality of life	Never Seldom Sometimes Often All the time
Revised children’s anxiety and depression scale (RCADS)	47 questions pertaining to internalizing symptoms (anxiety and depression) of the child	Never Sometimes Often Always