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目的 探讨人群收缩压、舒张压均数变化规律以及有关因素对血压水平的影响 ,为预防控制高血压提供资料。 方法 采取分层整群抽样法 ,抽取 15岁以上的城乡居民进行血压、身高、体重测量及问卷调查 ,共调查城乡居民6665人。 结果 人群收缩压均数随年龄组递增而升高 (P <0 .0 1) ,15岁至 75岁组共升高 40 .4mmHg ,升高幅度以 3 5岁以上的组段为大。人群舒张压亦随年龄递增而升高 (P <0 .0 1) ,升高幅度较大的年龄为 3 5～ 5 0岁 ,共升高 5 .4mmHg。人群血压水平的城乡差异主要见于 45～ 65岁间的收缩压 ,城市高于农村。性别差异出现在 45岁以前 ,男性高于女性。超重肥胖对血压升高作用大于有高血压家族史者。各年龄组收缩压、舒张压均数均随BMI增大而升高 ,呈显著正相关 (P<0 .0 1)。 结论 人群血压上升幅度从 3 5岁起显著增大。控制体重、防止肥胖对于降低人群血压水平 .预防高血压发生具有重要作用
Objective To investigate the changes of systolic blood pressure and diastolic pressure mean and the influence of related factors on blood pressure, and to provide information for the prevention and control of hypertension. Methods A stratified cluster sampling method was adopted to measure the blood pressure, height, weight and questionnaire survey of urban and rural residents over 15 years old. 6665 urban and rural residents were investigated. Results The average systolic blood pressure of the population increased with age (P <0.01). The total systolic blood pressure increased 40.4mmHg in the age group of 15 to 75 years old, and the amplitude of the systolic blood pressure increased with the age of 35 years. Diastolic blood pressure also increased with age (P <0. 01), a larger increase in the age of 35 ~ 50 years old, a total increase of 5.4mmHg. Urban-rural differences in blood pressure levels are mainly seen in systolic blood pressure between 45 and 65 years old, and in urban areas than in rural areas. Gender differences occurred before the age of 45, men than women. Overweight and obesity on the role of hypertension is greater than those with a family history of hypertension. Systolic blood pressure and diastolic blood pressure in all age groups were increased with the increase of BMI, was positively correlated (P <0.01). Conclusion The increase of blood pressure in the population increased significantly from 35 years old. Weight control and prevention of obesity have an important role in lowering blood pressure and preventing hypertension.