Abstract
Background Overweight and obesity have become a serious health problem. There are a few data on the prevalence of overweight and obesity in Baoji city of western China, this study was conducted to investigate the epidemiologic features of overweight and obesity and explored influencing factors among Baoji adult residents. Methods A cross-sectional study, including 36,600 participants aged above 15 years, was carried out in Baoji city in 2018. Each participant's weight and height were measured, and demographic and behavioral characteristics were collected using questionnaires. Data were analyzed by means of logistic regression considering 95% level of significance. Results Overall, the prevalence of overweight and obesity was 30.73% and 3.11%, respectively. Male had a significantly higher prevalence of overweight (31.45% vs. 29.98%, P < 0.05) while female had a higher prevalence of obesity (3.50 vs. 2.74, P < 0.001). In the logistic regression analysis, being married or living with a partner (OR = 1.266, P < 0.001), unemployed or retired (OR = 1.183, P < 0.001), former smokers (OR = 1.116, P < 0.05), drinking alcohol (OR = 1.410, P < 0.001), sleeping more than 10 hours (OR = 1.274, P < 0.001), and increasing age were all significantly associated with a higher prevalence of overweight/obesity, whereas people who lived in rural areas (R = 0.904, P < 0.001) or had a sufficient leisure time physical activity per week (R = 0.945, P < 0.05) were associated with a lower prevalence. Conclusion Our results demonstrate that demographic and behavioral factors play an important role in prevalence of overweight/obesity, which can support the implementation of interventions aimed at weight control and consequently prevention of related diseases in this population.
Highlights
Obesity has become a major public health problem; according to a recent report by the WHO, more than 1.9 billion adults were overweight, and of these over 650 million were obese, the worldwide prevalence of obesity nearly tripled between 1975 and 2016 [1]
The ultimate target sample size was established to be 37,000, while 400 participants with missing information such as gender, age, weight, and height were excluded; 36,600 participants were included in the analysis, accounting for about 11‰ of the total adult population of Baoji city
A total of 36,600 participants were included in the analysis, including 18,676 (51.03%) males and 17,924 (48.97%) females and 52.33% lived in urban areas and 47.67% lived in rural areas
Summary
Obesity has become a major public health problem; according to a recent report by the WHO, more than 1.9 billion adults were overweight, and of these over 650 million were obese, the worldwide prevalence of obesity nearly tripled between 1975 and 2016 [1]. In the logistic regression analysis, being married or living with a partner (OR = 1:266, P < 0:001), unemployed or retired (OR = 1:183, P < 0:001), former smokers (OR = 1:116, P < 0:05), drinking alcohol (OR = 1:410, P < 0:001), sleeping more than 10 hours (OR = 1:274, P < 0:001), and increasing age were all significantly associated with a higher prevalence of overweight/obesity, whereas people who lived in rural areas (R = 0:904, P < 0:001) or had a sufficient leisure time physical activity per week (R = 0:945, P < 0:05) were associated with a lower prevalence. Our results demonstrate that demographic and behavioral factors play an important role in prevalence of overweight/obesity, which can support the implementation of interventions aimed at weight control and prevention of related diseases in this population
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