Using a randomized multistage cluster sampling, we studied the factors associated with the prevalence, awareness, treatment and control of hypertension (defined as systolic and diastolic blood pressure (BP) measurements X140 and 90 mm Hg, respectively, or current drug treatment for hypertension) in a representative sample of the urban Chinese population. The participants were 18-74 years of age and had lived for at least 5 years in an area comprising 33 communities in three cities (Shenyang, Anshan and Jinzhou) in China. A total of 28 830 people were selected; the overall response rate was 87.4% (25 196/28 830). The overall prevalence of hypertension was 28.7% (7237/25 196). Of those with hypertension, 42.9% (3107/7237) were aware of their condition, 28.2% (2042/7237) were receiving treatment and 3.7% (264/7237) were considered controlled. More than half (57.8%) of the hypertensives did not think that high BP would endanger their lives. Multivariate analysis revealed that age, gender, education, occupation, income, body mass index, waist circumference and a family history of hypertension correlated significantly with the prevalence of hypertension. Among all the hypertensives, higher awareness (determined by odds ratios; 95% confidence intervals) was noted for persons who were white-collar workers (1.29; 1.08, 1.53, respectively), overweight (1.48; 1.30, 1.69), obese (3.37; 2.76, 4.11) or had a family history of hypertension (3.07; 2.76, 3.42). Among the individuals aware of their hypertension, treatment was more common in those with a higher level of education and less common among individuals consuming X2 alcoholic drinks per day (0.65; 0.52, 0.83). Controlled hypertension was much less common among older persons, and participants who were former smokers (0.49; 0.26, 0.91). The results indicate that more attention is needed to improve the awareness of the potentially fatal nature of hypertension in urban China. Hypertension Research (2011Research ( ) 34, 1087Research ( -1092 doi:10.1038/hr.2011; published online 21 July 2011Keywords: awareness; control; hypertension prevalence; risk factors; treatment
INTRODUCTIONIn the past decade, China has experienced rapid economic development, resulting in both lifestyle and dietary changes. Cardiovascular disease (CVD) has since become the leading cause of death in China, 1 and hypertension has been identified as the major risk factor for CVD and other vascular diseases. 2,3 It has been shown that promoting the awareness of established risk factors and early management is an essential starting point in the prevention of increased burden of morbidity and mortality due to hypertension-related CVDs. 4 However, in China, especially in urban China, information on factors associated with awareness, treatment and control of hypertension is scarce, despite the increasing prevalence of hypertension. In a systematic Medline search, we identified five surveys conducted in the most recent 10-year period concerning the prevalence, awareness,