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Xiaoyang Liu,Chunlin Zheng,Cheng Xu,Qian Liu,Jin Wang,Yongzhi Hong,Peng Zhao.Journal of Biomedical Research,2017,31(6):541-547
Nighttime snacking is associated with risk of obesity andhyperglycemia in adults: a cross-sectional survey from Chineseadult teachers
Received:July 08, 2016  Revised:November 07, 2016
DOI10.7555/JBR.31.20160083
Keywordsnighttime snacking, obesity, hyperglycemia
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Xiaoyang Liu Department of Neurosurgery, the First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu , China
Chunlin Zheng Teacher's Training Center of Jiangsu Province, Jiangsu Second Normal University, Nanjing, Jiangsu , China
Cheng Xu State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, Jiangsu , China;Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu , China
Qian Liu State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, Jiangsu , China;Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu , China
Jin Wang Department of Neurosurgery, the First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu , China
Yongzhi Hong Department of Neurosurgery, the First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu , China
Peng Zhao Department of Neurosurgery, the First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu , China;5Department of Neurosurgery, Jiangsu Shengze Hospital, Suzhou, Jiangsu , China
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Abstract
      Relationship between nighttime snack and human health conditions remains unclear. In this paper, we analyzed the association of frequency of nighttime snacking with obesity, hyperlipidemia and hyperglycemia using a Chinese teacher cohort. The Chinese teacher study contains 22,176 of the general adult population operated on in 2015. Information of nighttime snacking frequency was acquired by questionnaire. Overweight and obesity outcome were assessed by body mass index (BMI), and hypertension; hyperlipidemia and hyperglycemia were self-reported. Associations between nighttime snacking consumption and outcomes were performed with multivariat regression and further stratification analyses. We found a significant association (OR 2.11, 95% CI 1.24, 3.62; P for trend < 0.001) between most frequent nighttime snacking and hyperglycemia. A remarkable association was also observed between most frequent consumption of nighttime snack and obesity (OR 3.10, 95% CI 1.63, 5.89; P for trend < 0.001). The present results provide epidemiological evidence that consumption of nighttime snack was associated with obesity and hyperglycemia in Chinese adult teachers. However, the underlying mechanisms still need further investigation.
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