Corresponding Author

Yufeng Li


Background Overweight and obesity have been proved to be important risk factors of chronic diseases such as diabetes,hypertension,arteriosclerotic cardiovascular disease and tumor. According to the latest data,the total number of overweight and obesity population in China is close to 1/4 of the total population. Timely knowing the prevalence of overweight and obesity in different regions may provide theoretical basis for formulating prevention and control strategies of obesity and other chronic diseases.Objective To investigate the prevalence of overweight,obesity and central obesity in communityliving residents in Pinggu District of Beijing,to provide a science-based strategy for local control of obesity-related diseases as early as possible. Methods This study was conducted between June 2013 and September 2014 in a multistage random sample of community-living residents (aged 25-75 years old) from Pinggu District by Pinggu Hospital,Beijing Friendship Hospital,Capital Medical University and Peking University People's Hospital.Data including sex,age,place of residence, overweight(24 kg/m2 ≤ BMI <0.05).The prevalence of overweight,obesity,severe obesity and central obesity differed significantly according to age groups(P<0.05).Urban residence was associated with higher prevalence of overweight obesity and central obesity but lower prevalence of severe obesity (P<0.05). Multivariate Logistic regression analysis showed that age and residence were independent influencing factors of central obesity (P<0.05).Conclusion The prevalence of obesity,overweight and central obesity in community-living residents in this district is high,which is higher than that of the national level.Age and residence affect the occurrence of central obesity.As the risk of central obesity increases with age,the prevention of central obesity should be paid more attention in men since young and middle adulthood,and in women since the menopause(over 45 years old).Middle-aged and young people are the key populations for the prevention and control of overweight,obesity and central obesity.

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