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Open AccessArticle

25-Hydroxyvitamin D Status and Its Association with Sleep Duration in Chinese Schoolchildren

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Ningbo Center for Disease Control and Prevention, Ningbo 315010, Zhejiang, China
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Yinzhou Center for Disease Control and Prevention, Ningbo 315100, Zhejiang, China
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Author to whom correspondence should be addressed.
Nutrients 2018, 10(8), 1013; https://doi.org/10.3390/nu10081013
Received: 25 June 2018 / Revised: 28 July 2018 / Accepted: 1 August 2018 / Published: 3 August 2018
Objective: To examine the association between 25-Hydroxyvitamin D (25(OH)D) levels and sleep duration among Chinese adolescents. Subjects and methods: A school-based cross-sectional study was conducted among Chinese adolescents in 2017. Data on a total of 800 adolescents aged 8–14 years was used for this study. Anthropometric measurements such as height and weight were measured by trained research staff. Serum 25(OH)D and lipids were measured in the laboratory. Sleep habits and other health-related behaviors were tested by questionnaire. Results: 25(OH)D levels were significantly positively correlated with sleep duration (r = 0.11, p < 0.05). In multivariate logistic regression analyses, insufficiency/deficiency of vitamin D (25(OH)D ≤ 20 ng/mL) was significantly associated with increased probability of short sleep (AOR = 1.67, 95% CI = 1.14–2.43). Conclusions: Low 25(OH)D levels were independently associated with the risk of insufficient sleep in Chinese adolescents. View Full-Text
Keywords: sleep duration; vitamin D; adolescents sleep duration; vitamin D; adolescents
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Gong, Q.-H.; Li, S.-X.; Li, H.; Chen, Q.; Li, X.-Y.; Xu, G.-Z. 25-Hydroxyvitamin D Status and Its Association with Sleep Duration in Chinese Schoolchildren. Nutrients 2018, 10, 1013.

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