Xufang Huang1, Wenlei Xu2, Ruikun Chen2, Yuxin Jiang3, Jingwei Li1, Shaoyong Xu4,5. 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 Endocrinology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, No. 136, Jingzhou Street, Xiangyang, 441021, Hubei, China. yoji_xu@hotmail.com. 5. Department of Health Statistics, Shaanxi Key Laboratory of Free Radical Biology and Medicine and the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Changle West Road No. 169, Xi'an, 710032, Shaanxi, China. yoji_xu@hotmail.com.
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.
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.
Entities:
Keywords:
Chinese adults; Longitudinal analyses; Overweight/obesity; Sleep duration; Weight gain
Authors: Saverio Stranges; Francesco P Cappuccio; Ngianga-Bakwin Kandala; Michelle A Miller; Frances M Taggart; Meena Kumari; Jane E Ferrie; Martin J Shipley; Eric J Brunner; Michael G Marmot Journal: Am J Epidemiol Date: 2007-11-15 Impact factor: 4.897
Authors: Diane S Lauderdale; Kristen L Knutson; Paul J Rathouz; Lijing L Yan; Stephen B Hulley; Kiang Liu Journal: Am J Epidemiol Date: 2009-08-03 Impact factor: 4.897