|
KMID : 0381019930260050625
|
|
Korean Journal of Nutrition
1993 Volume.26 No. 5 p.625 ~ p.638
|
|
|
Blood Pressure, Salt Threshold, salt Preference. Urinary Excretions and Nutrition Knowledge About Blood Pressure of Elementary School Children in Rural Area
|
|
|
|
|
Abstract
|
|
|
The purpose of this study was to observe the relationship of dietary factors to blood pressure in 5th and 6th grade elementary school children. Salt threshold, salt preference and nutrition knowlege abut blood pressure were tested. Twenty-four
hour
urines were collected for the measurements of the volume and concentrations of sodium, potassium, chloride, calcium, phosphorus, creatinine and urea nitrogen.
1) mean systolic and diastolic and diastolic blood of elementary school children were 106.8/67.6mmHg in males and 108.7/69.5mmHg in females. Seven children(4%) of total subjects were found to be hypertensive. Their mean blood pressure was
130.0/86.5mmHg.
2) Urinary excretions of creatinine and urea nitrogen during twenty-four hours were 621.1mg, which is equivalent to 7.37g NaCl.
3) The daily urinary excretions of other minerals were as follows: potassium was 1301mg, chloride, 4991mg, calcium, 55.78 mg and phosphorus, 700.3mg.
4) Salt preference of hypertensive children(0.729±0.275%) was significantly higher than those of normotensive chiledren(0.473±0.213%), but salt threshold was lower in hypertensives(0.105±0.04%) than normotensives(0.081±0.022%)(p<0.05).
Indices
for
assessing obesity, such as body weight, triceps skinfold, weight for height and body surface area, were higher in hypertensive children than normotensive children(p<0.05). But there was no significant difference in energy and nutrient intakes
between
two groups.
5) Various anthropometric measurements had positive correlations with blood pressure, but body muscle mass(%) had a negative correlation with blood pressure. And daily energy and nutrient intakes were not related to blood pressure.
6) Blood pressures -both systolic and diastolic -were significantly correlated with urinary excretions of potassium and chloride. Daily sodium excretion was related to systolic blood pressure, but not related to diastolic blood pressure. There
was
no
relationship of salt threshold to salt preference, and neither threshold nor preference was related to blood pressure.
Results of this study suggest that nutrition education program for children including the information about desirable food habits for the prevention of hypertension should be developed.
|
|
|
KEYWORD
|
|
|
|
|
|
FullTexts / Linksout information
|
|
|
|
|
Listed journal information
|
|
 
|
|