A Cross-sectional Survey on Risk Factors of Stroke in Sampling Population Aged over 40 Years among Communities in Four Cities of China / 中国慢性病预防与控制

ABSTRACT

Objective To find out exposure level and distributional characteristics of risk factors for stroke in sampling population among communities. Methods Target population aged≥40 years were selected from Beijing,Shanghai,Fuzhou and Tangshan by cluster sampling and grouped by area,age and gender. They were investigated face to face with a questionnaire which included general information and common risk factors of stroke. Body height,weight and levels of blood pressures were measured. Exposure rate of risk factors and its distributional characteristics of area and population were described. Results 23 471 individuals were enlisted into data analysis. Exposure rate of hypertension,heart disease,diabetes,family history of stroke,obesity,cigarette smoking and alcohol drinking were 27.73%,14.14%,5.19%,15.95%,11.28%,28.7% and 16.6%,respectively. There were significant differences between areas for all factors (P