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KMID : 0353019770140010072
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Korean Journal of Public Health
1977 Volume.14 No. 1 p.72 ~ p.84
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A Study on Prevalence of Hypertension and Its Related Factors
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Abstract
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A study to investigate the casual association between hypertension and environmental or its heritability was conducted on 1,822 male teachers who work at the middle or high schools in Seoul.
In this study, age specific prevalence rate and age standardized prevalence rate of hypertension applying the widely used criteria of 160/95mmHg was calculated to determine its association with heritability and various factors such as age, body weight, fatigue, smoking habit, amount of salt and other flavours added in foods, or mental stress scored by points of mental complaints in CMI.
The findings are summarized as follows;
1. The prevalence rate of hypertension was gradually increased according to increases in age and the relative risk of 55∼59 aged group for hypertension to 25∼29 aged was higher as 7.2.
2. The prevalence rate of hypertension was increased according to increased weight and the relative risk of obese group for hypertension compared to normal weight one by corresponding age specific prevalence rate was ranged from 2.3 to 5.2 (p<0.01∼0.05).
3. The age standardized prevalence rate of the group whose members did not feel fatigued in daily life was higher than that of the group whose members felt fatigued. Comparing these two groups, the relative risk was 1.5 (p<0.01).
4. There were no differences in age standardized prevalence rate between that of smokers and that of nonsmokers.
5. The age standardized prevalence rate of hypertension in the group whose members used to eat salty foods was not higher than those of others (p<0.01).
However, the age standardized prevalence rate of hypertension in the group whose members used to eat hot foods was higher than those of others. And comparing these two groups, the relative risk was 1.4 (p<0.05).
6. As the points of mental complaints in CMI didn´t exactly represent the degree of mental stress, the well-known theory "Hypertension can be resulted from excessive mental stress." was not confirmed in this study.
7. The age standardized prevalence of hypertension in the group whose members had family history of hypertension was higher than those of others and the relative risk between these two groups was 1.6 (p<0.01).
As the relative risk for hypertension in 25∼29 aged group with family history of hypertension compared to corresponding age group without family history was as higher as 2.4, the theory of Morrison, et al. (1959)? that genetic factor payed major role to produce hypertension in young aged group supports the results.
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