Relationships of food intake and body composition with serum total cholesterol in boys and girls

日本心血管疾病的最新趋势是中风和缺血性心脏病的减少。然而，为了进一步减少这些疾病，仅与高血压作斗争是不够的，必须预防动脉粥样硬化和高脂血症。也有人指出，从童年起，血脂水平就存在跟踪现象。本研究的目的是阐明一些人类学变量对男孩和女孩血清总胆固醇和血压的影响。研究对象是居住在秋田市郊区的初中生，年龄在13岁到15岁之间，包括189名男孩和171名女孩。测量了三头肌和肩胛骨下部位的体重和皮褶厚度，并估计了身体成分变量。此外，在每个仰卧位受试者的右侧用仪器(SELCO，型号891)测量生物电阻抗，并计算体脂百分比以检查皮皱法中的身体成分变量。对于血压与人类学变量的相关系数，它们并没有达到预期的那么高。另一方面，处于临界状态和高血压的受试者明显超重，体脂比例较大。在血清总胆固醇方面，研究表明，血清总胆固醇高的男孩往往皮褶较厚，体脂百分比较大。一些观察表明，青春期的健康管理存在困难，因为血压、血清总胆固醇和其他人类学变量在生长发育过程中会发生必要的变化。

A recent trend of cardiovascular diseases in Japan is the decreases in apoplexy and ischemic heart disease. It is insufficient, however, that we cope only with hypertension in order to decrease these diseases further, and it is necessary to prevent atherosclerosis and hyper-lipemia. It has also been pointed out that there is a tracking phenomenon in the levels of serum lipids from childhood. The purpose of this study was to clarify the effect of some anthropological variables on serum total cholesterol and blood pressure in boys and girls. Subjects were junior high school students living in the suburbs of Akita city, comprising 189 boys and 171 girls between the ages of 13and 15 years. Measurements were carried out on weight and skinfold thicknesses at the triceps and subscapular sites, and body composition variables were estimated. Additionally bioelectric impedance was measured with an analyzer (Selco,model 891) on the right side of each supine subject, and percent body fat was calculated to check body composition variables from the skinfolds method. For correlation coefficients of blood pressure with anthropological variables, they were not so high against expectation. On the other hand, borderline and hypertensive subjects obviously had overweight and large percent body fat. For serum total cholesterol, it was showed that boys with high serum total cholesterol tended to have thick skinfolds and large percent body fat. Some observations give the implication of difficulty for health administration during puberty, since there are necessary changes in blood pressure, serum total cholesterol, and other anthropological variables through growth and development.