Prevalence and related factors of hypertension among residentsaged above 15 years in Pudong New Area of Shanghai

Objective To investigate epidemic characteristics and risk factors of hypertension among residents aged above 15 years in Pudong New Area of Shanghai. Methods We selected the subjects through a multistage stratified cluster sampling procedure; all thirty towns of Pudong New Area were stratified into three levels according to their economic status and 10 657 people selected as survey subjcets from each economic level. A questionnaire survey was conducted in conjunction with measurements of body height and weight, fasting plasma glucose, 2-hour postprandial blood glucose, blood lipid and blood pressure among 10 657 inhabitants aged above 15 years.Multivariate unconditional regression model was employed to analyze the influence factors of hypertension. Results The crude prevalence rate of hypertension in the residents was 41.3%. The prevalence rates of male was high than female (P<0.001). With the increment of age,the hypertension prevalence rate of all residents were obviously elevated.The residents with lower education had a higher hypertension prevalence rate.There was no significant difference in hypertension prevalence between rural and urban. The results of logistic regresssion showed that the risk factors of hypertension were age,gender,educational level,family history of hypertension,central obesity, body mass index, C-reactive protein, 2-hour postprandial blood glucose and urinary albumin/creatinine ratio(P<0.05). Conclusion The results indicated that hypertension was highly prevalent in Pudong New Area. Body mass index (BMI) and central obesity were related factors for hypertension which were changeable.