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Korean J Prev Med. 1993 Mar;26(1):96-109. Korean. Original Article.
Suh I , Lee SY , Nam CM , Kim IS .
Department of Preventive Medicine Yonsei University, College of Medicine, Korea.

For the purposes of analyzing the distribution and the change in blood pressure according to age and determining the factors affecting the change in blood pressure, a follow-up study had been conducted for 6 years from 1986 to 1991 for 430 primary school children age 6 years old in 1986 in Kangwha County, Korea. The mean blood pressure increased according to age. Specifically mean systolic blood pressure increased from 97.3 mmHg for male and 96.4mmHg for female(at 6 years of age) to 108.8mmHg for male and 112.1mmHg for female(at 11 years of age). Mean diastolic blood pressure increased from 60.0mmHg for male and 61.8mmHg for female(at 6 years of age) to 72.9mmHg for male 73.8mmHg for female(at 11 years of age). The average annual increase in blood pressure was 2.3mmHg(in systolic blood pressure) and 2.4mmHg(in diastolic blood pressure) for female, respectively. To determine the factors affecting the change in blood pressure, the stepwise regression analysis was conducted. Children were divided into the three groups(low, middle, and upper) according to the level of systolic and diastolic blood pressure at the age of 6, and the regression analysis was performed in each group. For the change in systolic blood pressure, the changes in weight and skinfold thickness or initial skinfold thickness for male, and the change in weight for female were selected as significant factors for children in middle and upper group. For the change of blood pressure in diastolic blood pressure, no variables was significant.

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