Abstract
Objective To investigate the characteristics and relevant factors of overweight and obesity in adults of the Shandong coastal area in 2009,as well as to estimate the epidemiological trends by comparing with results found in 2004.Methods A random and stratified cluster sampling of adults aged 20 years or older was conducted,and 5060 inhabitants in the cities of Qingdao,Yantai,Weihai,Rizhao,and Dongying were included.Results The standardized prevalence rates of overweight,obesity,and abdominal obesity were 33.5％,16.1％,and 40.0％respectively in 2009,with respective increase of 0.6％ (P＜0.05),2.9％ (P＜0.01),and 6.8％ (P＜0.05)compared with those in 2004; the rates for male were 37.9％,17.1％,and 44.6％ respectively in 2009,with increase of 3.7％ (P＜0.01),3.7％ (P＜0.0l),and 10.2％ (P＜0.01) respectively compared with those in 2004 ;the prevalence of abdominal obesity for female was 38.6％,with an increase of 6.6％ (P＜0.01) compared with that in 2004.The prevalence of obesity increased consistently with age,reached a peak within 50-69 years old.There was a trend of developing obesity in younger,males,while obesity became more common in postmenopausal women.In contrast with the findings in 2004,the average age,body mass index,waist circumference,triglyceride,total cholesterol,uric acid,and blood glucose levels increased significantly (P＜0.01) in 2009.Logistic regression analysis showed that aging,dyslipidemia,hypertension,hyperglycemia,hyperuricemia were positively related with obesity,and smoking was negatively related with it.Consumption of meat was related to male obesity,while carbohydrate consumption was related to female obesity.Conclusions A remarkable increase in the prevalence of obesity was found in 2009 compared with 2004,especially for the young and middle-aged men and postmenopausal women.Aging,hypertension,hyperglycemia,hyperuricemia,dyslipidaemia,and incorrect components of diet contributed to obesity.Although smoking is a negative factor for body weight,it is not suggested. Key words: Overweight ; Obesity ; Epidemiology ; Relevant factors
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