Prevalence, awareness, treatment and control of hypertension and their associates among 35 – 75 years old residents in Shaanxi province, 2015 – 2017

  Objective  To examine the status quo and influencing factors of hypertension prevalence, awareness, treatment, control among 35 – 75 years old urban and rural residents in Shaanxi province for providing evidences to hypertension prevention and control.

  Methods  Using cluster sampling in 6 counties/districts across Shaanxi province, we recruited 95 537 permanent residents aged 35 – 75 years. Questionnaire interview and physical examination were conducted among the residents from September 2015 to June 2017.

  Results  Among 94 759 residents with completed information, 44 957 were detected with hypertension and the crude prevalence of hypertension was 47.4%. Of the hypertensives detected, 21 231 (47.2%) were aware of their conditions; 15 263 (34.0%) had medication for hypertension; and 3 898 (8.7%) had their blood pressure under control. Multivariate logistic regression analysis demonstrated that (1) the participants aged ≥ 45 years, being farmer, having alcohol drinking, with the body mass index (BMI) of ≥ 18.5 kg/m², and with the history of myocardial infarction or stroke were at a higher risk of hypertension; while, those being female and with the education of junior high school and above were at a lower risk; (2) the participants being female, aged ≥ 45 years, with the education of senior high school and above, with the BMI of ≥ 18.5 kg/m², and with the history of myocardial infarction or stroke were more likely to aware of their hypertension; but those being farmer, living in urban regions, and having alcohol drinking were less likely to be aware of their hypertension; (3) the participants being female, aged ≥ 45 years, with the education of senior high school and above, with the BMI of ≥ 18.5 kg/m², and with the history of myocardial infarction or stroke were more likely to have medication for hypertension; while, those being farmer and having alcohol drinking were less likely to have medication for hypertension; (4) the participants aged ≥ 45 years, with the education of junior high school and above, with the BMI of ≥ 24.0 kg/m², and with the history of myocardial infarction or stroke were more likely to have their hypertension under control; but those being farmer and having alcohol drinking were less likely to have their hypertension under control.

  Conclusion  Among the 35 – 75 years old permanent residents in Shaanxi province, the prevalence of hypertension was relatively high but among the residents with hypertension, the awareness, treatment and control rate of hypertension were low and those rates were mainly influenced by age, education, occupation, alcohol drinking, body mass index, and the history of myocardial infarction and stroke.