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目的探讨江苏省南京市成年居民人体质数(BMI)和腰围(WC)的变化与高血压发病的关系。方法2004年7月开展南京市3个城区和1个郊县的35岁～居民的慢病相关调查及体格检查,对无高血压的研究对象进行为期3年的随访研究,2007年10月完成项目终期调查。结果2007年与2004年相比,男、女性的高血压发病率分别为6.0%和5.4%;BMI、WC均值及舒张压均值皆有不同程度的增加;随着基线肥胖程度的增加,高血压的发生风险也增加。与BMI和WC均不超标者相比,超重且伴腹部肥胖者发生高血压的相关性最高(男性:RR=1.74,95%CI=1.19～1.32;女性:RR=2.471,95%CI=1.42～4.03。结论超重和腹部肥胖是罹患高血压的重要危险因素,BMI、WC的增长与血压升高关系密切,并且BMI和WC的升高均可增加高血压发病的危险。
Objective To investigate the relationship between changes in body mass index (BMI) and waist circumference (WC) in adult population and the incidence of hypertension in Nanjing, Jiangsu Province. Methods In July 2004, 35-year-old residents in three cities and one suburban city of Nanjing were investigated for chronic diseases and physical examination. A three-year follow-up study on subjects without hypertension was completed in October 2007 Project final investigation. Results Compared with 2004, the incidence rates of hypertension in both men and women were 6.0% and 5.4% respectively. The mean of BMI, WC and diastolic blood pressure all increased to some extent. With the increase of baseline obesity, hypertension The risk of occurrence also increased. Hypertension was most associated with overweight and with abdominal obesity (male: RR = 1.74, 95% CI = 1.19 to 1.32; women: RR = 2.471, 95% CI = 1.42 ~ 4.03. Conclusions Overweight and abdominal obesity are important risk factors for hypertension. The increase of BMI and WC is closely related to the increase of blood pressure, and the increase of BMI and WC may increase the risk of hypertension.