Objective To describe the epidemiological char acteristics of central obesity of population aged 18 and over in Guang dong prov ince in 2002, and to identify the high-risk population and region.
Methods The cross-sectional survey study population was a representative sample of Guangdong province obtained through multi-stage randomized cluster sampling.The data of socioeconomic status were collected by face-to-face interview, and waist circumference(WC)was mea sured by physical examination.
Results The sample size was 15.130, and the mean of WC was(75.26±9.67)cm for all population.For male and city, the mean of WC was higher than that in female and rural.The crude prevalence rate of central obe sity was 23.9%, and the age-abjusted rate was 21.6%.The age-adjusted rate in female(23.1%)was higher than that in male(19.6%).No matter sex, its higher in city than that in rural.Logistic regression indicated that for male, physical activity, residence, household income, age, marital status, education, occupation and smoking status were major risk factors of central obesity.And for female, physical activity, age, occupation, household income, education and ethnicity were major risk factors.
Conclusion More than one fifth population aged 18 and over in Guangdong province are centrally obese, and physical inactivity is the most important risk factor which is modified by intervention.It s necessary to enhance research and intervention on central obesity.
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