ArticleSleep advances : a journal of the Sleep Research Society2024
CARDIA sleep ancillary study: study design and methods.
Article in Sleep advances : a journal of the Sleep Research Society, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Circadian Rest-Activity Rhythms, Cognition, and Alzheimer Disease Dementia in Adults With Down Syndrome.Neurology · 2026Article
- Association of Rest-Activity Rhythm and Sleep Regularity With Cardiometabolic Disease in the CARDIA Study.Journal of the American Heart Association · 2026Article
- Association between household sleep environment and sleep health characteristics in middle-aged adults: The CARDIA sleep study.Sleep health · 2025Article
- Chronotype and Sleep Timing by Race-Gender: The CARDIA Sleep Study.Journal of biological rhythms · 2025Article
- Do not sleep on vitamin D: vitamin D is associated with sleep variability in apparently healthy adults.American journal of physiology. Regulatory, integrative and comparative physiology · 2025Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
Sleep and circadian disturbances are common and are experienced more often by Black compared to White individuals. We conducted an observational study of sleep that was ancillary to an ongoing cohort study, Coronary Artery Disease in Young Adults (CARDIA). The goal of the ancillary study will be to examine potential determinants of sleep/circadian disparities between Black and White adults in future analyses. Herein we describe the study design and methodology. Our ancillary study coincided with the Year 35 examination of the CARDIA study and was conducted in two phases (due to the SARS-COV-2 pandemic). Phase 1 involved only questionnaires to assess chronotype, restless legs syndrome, and the household sleep environment. Phase 2 involved three additional questionnaires to assess sleep quality, daytime sleepiness and insomnia symptoms, as well as two sleep devices. Participants wore a wrist activity monitor to assess sleep-wake patterns and light levels for 7 days and a home sleep apnea test for 1 night. A subset also had devices objectively record light, temperature, and sound levels in their bedrooms for 7 days. Sample sizes ranged based on assessment from 2200 to 2400, completing Phase 1 questionnaires, 899 with valid wrist actigraphy data, and 619 with a valid sleep apnea test. The data will be part of the full CARDIA dataset, which is available to researchers.
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Registered trials
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