Prevalence of hypertension and its influencing factors among residents in Changle city

Objective To assess the prevalence and main impact factors of hypertension among the residents in Changle city and to provide a theoretical basis for comprehensive prevention and control of the disease.Methods Totally 3 133 permanent residents were recruited from 18 townships of Changle city for a face-to-face questionnaire survey and physical examination by using proportionate stratified random sampling method.Results The total prevalence rate of hypertension was 27.0%(811/3 000),(27.1%424/1 566 for the males and 27.0%387/1 434 for the females).There was no significant gender difference in the prevalence.Multivariate analyses showed that aged between 30 and 45 years(odds ratioOR=2.097),aged between 45 and 60 years(OR=8.860),aged more then 60 years(OR=23.318),drinking alcohol frequently(OR=1.659),overweight and central obesity(OR=3.110) were risk factors for hypertension;while annual per capita income more then 50 000 RMB yuan and with junior high school education(OR=0.711) or senior high school education(OR=0.600)were protective factors for hypertension.There was an additive interaction between body mass index and waist-hip ratio.Conclusion Hypertension is associated with many factors and general measures should be taken among the residents in Changle city;the residents with central obese people should pay attention to control weight to reducing the risk of hypertension.