[Epidemiological study of hypertension in Heilongjiang province]

To find out the epidemiological features of hypertension in Heilongjiang Province, so as to provide guidance and scientific ebidence for hypertensive prophylaxis and treatment.

>From the year of 1959 to 1999, 289 157 people in total with age >/= 15 years old (male 154 091, female 135 066) were investigated with stratified chunk method in rural and urban areas in Heilonging Province.

Hypertensive incidence in Heilongjiang is much higher than the average level in China (P < 0.01). Hypertensive incidence has become higher and higher during the 40 years it increased 105%. It is in the recent ten years that hypertensive incidence increased most fast. Hypertensive incidence increased more obviously in male than in female (P < 0.01). Hypertensive incidence also increased with aging. Hypertensive incidence has increased both in urban and rural areas, with the urban incidence higher than rural (P < 0.01). Blood lipids (TC, TG, LDL-C, VLDL-C) of the subjects receiving this analysis in the year of 1999 was much higher than those in 1985 (P < 0.01). Alcohol drinking is related to hypertension (OR = 2.18). Smoking is also related to hypertension (OR = 1.29). People with body mass index (BMI) >/= 20 had higher hypertensive incidence (17.56%) than those with BMI < 20 (7.69%). 39 possible related factors of hypertension were analyzed; it is shown that profession of cadre, high BMI, alcohol drinking, male gender, mother's history of hypertension high salt diet and old age are the main risk factors of hypertension.

The programs of prophylaxis and treatment of hypertension should be enhanced in this province.