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Poor sleep quality associated with obesity in men
Wenjie Sun1,2, Jingqin Yuan3, Yaqin Yu4
1School of Food Science, Guangdong Pharmaceutical University, Zhongshan, 528458, China.
Sleep & Breathing = Schlaf & Atmung
|May 11, 2015
Summary
Poor sleep quality is linked to higher overweight and obesity risks in Chinese men, but not women. This association remained significant even after adjusting for various lifestyle and health factors.
Area of Science:
- Public Health
- Epidemiology
- Sleep Medicine
Background:
- Obesity is a growing global health concern with complex contributing factors.
- Sleep quality is increasingly recognized as a potential modifiable risk factor for metabolic disorders.
Purpose of the Study:
- To investigate the association between sleep quality and obesity status in a Chinese adult population.
- To determine if this association differs between men and women.
Main Methods:
- A cross-sectional study involving 3225 Chinese adults (aged 18-65) in Beijing.
- Body Mass Index (BMI) classified using the Working Group on Obesity in China criteria.
- Sleep quality assessed via the modified Pittsburg Sleep Quality Index; logistic regression used to analyze associations, adjusting for confounders.
Main Results:
- Poor sleep quality showed a significant negative association with overweight/obesity in men (OR=1.41, 95% CI 1.03-1.93).
- This association in men persisted after adjusting for demographic, lifestyle, and health status factors.
- Each one-point increase in sleep quality score correlated with a 7% increase in overweight/obesity risk among men.
Conclusions:
- Sleep quality is negatively associated with overweight/obesity in Chinese men.
- No significant association was found between sleep quality and overweight/obesity in Chinese women.
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