Sleep Characteristics and Health-Related Quality of Life in 9- To 11-Year-Old Children from 12 Countries

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dc.contributor.authorXiao, Qian
dc.contributor.authorChaput, Jean-Philippe
dc.contributor.authorOlds, Timothy
dc.contributor.authorFogelholm, Mikael
dc.contributor.authorHu, Gang
dc.contributor.authorLambert, Estelle V.
dc.contributor.authorMaher, Carol
dc.contributor.authorMaia, Jose
dc.contributor.authorOnywera, Vincent
dc.contributor.authorSarmiento, Olga L.
dc.contributor.authorStandage, Martyn
dc.contributor.authorTremblay, Mark S.
dc.contributor.authorTudor-Locke, Catrine
dc.contributor.authorKatzmarzyk, Peter T.
dc.date.accessioned2021-09-21T09:09:26Z
dc.date.available2021-09-21T09:09:26Z
dc.date.issued2020
dc.descriptionA research article published in Sleep Healthen_US
dc.description.abstractIntroduction Previous studies have linked short sleep duration, poor sleep quality, and late sleep timing with lower health-related quality of life (HRQoL) in children. However, almost all studies relied solely on self-reported sleep information, and most studies were conducted in high-income countries. To address these gaps, we studied both device-measured and self-reported sleep characteristics in relation to HRQoL in a sample of children from 12 countries that vary widely in terms of economic and human development. Methods The study sample included 6,626 children aged 9-11 years from Australia, Brazil, Canada, China, Colombia, Finland, India, Kenya, Portugal, South Africa, the United Kingdom, and the United States. Waist-worn actigraphy was used to measure total sleep time, bedtime, wake-up time, and sleep efficiency on both weekdays and weekends. Children also reported ratings of sleep quantity and quality. HRQoL was measured by the KIDSCREEN-10 survey. Multilevel regression models were used to determine the relationships between sleep characteristics and HRQoL. Results Results showed considerable variation in sleep characteristics, particularly duration and timing, across study sites. Overall, we found no association between device-measured total sleep time, sleep timing or sleep efficiency, and HRQoL. In contrast, self-reported ratings of poor sleep quantity and quality were associated with HRQoL. Conclusions Self-reported, rather than device-based, measures of sleep are related to HRQoL in children. The discrepancy related to sleep assessment methods highlights the importance of considering both device-measured and self-reported measures of sleep in understanding its health effects.en_US
dc.identifier.citationXiao, Q., Chaput, J. P., Olds, T., Fogelholm, M., Hu, G., Lambert, E. V., ... & Wiltz, D. (2020). Sleep characteristics and health-related quality of life in 9-to 11-year-old children from 12 countries. Sleep health, 6(1), 4-14.en_US
dc.identifier.issn2352-7218
dc.identifier.urihttps://www.sciencedirect.com/science/article/abs/pii/S2352721819302128
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/22569
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectSleep durationen_US
dc.subjectTotal sleep timeen_US
dc.subjectSleep efficiencyen_US
dc.subjectSleep timingen_US
dc.subjectHealth related quality of lifeen_US
dc.titleSleep Characteristics and Health-Related Quality of Life in 9- To 11-Year-Old Children from 12 Countriesen_US
dc.typeArticleen_US
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