Study on epidemic characterisation and correlative risk factors of hypertension

  Objective   To assess the current prevalence and the main correlative risk factors of hypertension in Ningbo.

  Methods   To apply multistage and random sampling to a resident(≥5 years)group of 6 589 people aged between 35 and 74 in Ningbo.Their general conditions, life styles, behaviors, and family histories were investigated.And corresponding phisical check-ups were rendered.The correlative risk factors were analyzed and screened with the logistic reg ression analysis by SPSS 11.0.

  Results   The prev alence rate was 28.24%, and the standardized rate was 22.11%.The correlative risk factors mainly included age, sex, educational level, proportion of the diet expenses, the amount of eggintake, family history, overw eight and physical exercise.

  Conclusion   The prevalence rate in Ningbo is approximately twice that of the whole China in 1991, and tends to increase with aging.It is hence necessary to take integrated control measures to reduce the prevalence of hypertension in Ningbo.