Prevalence of Overweight and Obesity in Adult Populations in Mianyang, Sichuan Province

ObjectiveTo determine the prevalence of overweight and obesity in adult populations in Mianyang, Sichuan province. MethodsA questionnaire survey involving physical examinations were conducted in 262 434 adults (≥18 yr.) selected through multi-stage random sampling from November 2014 to September 2015 in Mianyang city. ResultsAmong the people surveyed, 79 981 (30.48%) were overweight, and 23 010 (8.77%) had obesity. The male participants had a higher percentage (32.28%) of overweight than females (29.10%, P<0.01), but lower obesity rate (8.53%) than females (8.95%, P<0.01). Those aged 50-59 yr. had the highest prevalence of overweight (39.26%) and obesity (12.07%). The participants with up to junior middle school education were most likely to be overweight (35.02%) and obese (10.57%). Overweight and obesity were most prevalent in the unemployed: 36.87% and 12.65%, respectively. Fucheng had higher prevalence of overweight (30.01%) and obesity (10.14%) than Jiangyou (29.97% and 7.46% respectively, all P<0.01). The prevalence of overweight and obesity was higher in the smokers (32.88% and 9.46%) than in the non-smokers (30.02% and 8.64%, all P<0.01). Those who drank alcohols had higher prevalence of overweight and obesity (33.43% and 9.72%) than those who did not drink alcohols (29.78% and 8.54% respectively, all P<0.01). ConclusionHigh prevalence of overweight and obesity in adult populations in Mianyang is evident, especially in those who are 50-59 years old, unemployed, drinking alcohols, smoking, and have low educational level.