Association between sleep duration and weight gain and incident overweight/obesity: longitudinal analyses from the China
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METHODS • ORIGINAL ARTICLE
Association between sleep duration and weight gain and incident overweight/obesity: longitudinal analyses from the China Health and Nutrition Survey Xufang Huang 1 & Wenlei Xu 2 & Ruikun Chen 2 & Yuxin Jiang 3 & Jingwei Li 1 & Shaoyong Xu 2,4 Received: 2 May 2020 / Revised: 21 August 2020 / Accepted: 12 September 2020 # Springer Nature Switzerland AG 2020
Abstract Objective To evaluate the association between sleep duration and weight gain and incident overweight/obesity in the population of China. Methods Data were derived from the China Health and Nutrition Survey. Adult participants with baseline data of sleep duration and body mass index (BMI) and who received at least one follow-up evaluation were selected to analyze the association of sleep duration with weight gain (n = 12,871) and incident overweight/obesity (n = 7,752). Daily sleep duration was categorized into five groups: ≤ 6, 7, 8 (as reference), 9, and ≥ 10 h. The study outcomes were weight gain ≥ 5 kg and incident overweight/obesity (BMI ≥ 24 kg/m2). Results Adjusted Cox proportional hazards models showed that only short sleep duration (≤ 6 h) significantly increased the risk of weight gain ≥ 5 kg (HR: 1.160, 95% CI: 1.005–1.339, p < 0.001) and incident overweight/obesity (HR: 1.403, 95% CI: 1.185– 1.660, p < 0.001), whereas sleep duration 9 h was significantly associated with a lower risk of incident overweight/obesity (HR: 0.817, 95% CI: 0.700–0.953, p = 0.010). No significant correlation was found between long sleep duration (> 10 h) and the risk of weight gain ≥ 5 kg and incident overweight/obesity. Conclusion Short sleep duration is a risk factor for the development of weight gain ≥ 5 kg and incident overweight/obesity in Chinese adults, whereas long sleep duration had no effect on future obesity. Keywords Sleep duration . Weight gain . Overweight/obesity . Longitudinal analyses . Chinese adults
Introduction Obesity can cause a number of adverse health consequences, such as cardiovascular diseases, type 2 diabetes mellitus,
musculoskeletal disorders, and several cancers [1]. According to the Global Burden of Disease Study, obesity has increased significantly over the past decade, and elevated body mass index (BMI) was ranked the fourth leading risk
Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11325-020-02194-y) contains supplementary material, which is available to authorized users. * Shaoyong Xu [email protected] Jingwei Li [email protected] 1
Department of Pharmacy, Pharmacy and Chemistry College of Dali University, No. 22, Wanhua Road, Dali 671000, Yunnan, China
2
Department of Endocrinology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, No. 136, Jingzhou Street, Xiangyang 441021, Hubei, China
3
Department of Clinical Medicine, Medical College of Yan’an University, No. 38, Guanghua Road, Yan’an 716000, China
4
Department of Health Statistics, Shaanxi Key Laboratory of Free Radical Biology and Medicine and the Min
