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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Tracking of physical and physiological risk variables among ethnic subgroups from third to eighth grade: the Child and Adolescent Trial for Cardiovascular Health cohort study.
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Tracking of physical and physiological risk variables among ethnic subgroups from third to eighth grade: the Child and Adolescent Trial for Cardiovascular Health cohort study.

机译：追踪三至八年级以下种族间的生理和生理风险变量：心血管健康儿童和青少年试验队列研究。

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BACKGROUND: The Child and Adolescent Trial for Cardiovascular Health (CATCH), a multisite field trial, tested the effectiveness of multiple interventions for cardiovascular disease risk behaviors in children in third through fifth grades. This paper reports the tracking of physiologic variables through eighth grade. METHODS: The cohort began with 5,106 third grade students from diverse ethnic backgrounds: 69% Caucasian, 14% Hispanic, 13% African American, and 4% other. Seventy-two percent of students were remeasured. Measures described are serum lipids, blood pressure, and body anthropometrics. Tracking was examined across three time points (third, fifth, and eighth grades) with a scaled Kendall concordance coefficient and percentage retention within quintiles across time. RESULTS: For the overall sample, tacking was strongest for body mass index (BMI) (Kendall coefficient = 0.86) and weight (0.86), followed by skinfold thicknesses (0.72-0.78), serum lipids (0.67-0.72), and blood pressure (0.45-0.51). For BMI, 96% of students stayed within +/-1 quintile from third to fifth grades; 90% stayed within this range from third to eighth grades. CONCLUSIONS: There were small but noticeable gender and ethnic differences: tracking was stronger among boys and African American students. These results demonstrate that the children's relative level of cardiovascular risk remained stable over a 6-year period.
机译：背景：一项针对儿童和青少年的心血管健康试验（CATCH）是一项多站点现场试验，测试了三至五年级儿童针对心血管疾病风险行为的多种干预措施的有效性。本文报告了对八年级学生生理变量的跟踪。方法：该队列始于5106名来自不同种族背景的三年级学生：69％的白人，14％的西班牙裔，13％的非洲裔美国人和4％的其他人。重新测量了72％的学生。描述的方法是血清脂质，血压和人体测量学。在三个时间点（三年级，五年级和八年级）上检查了跟踪情况，并确定了缩放比例的肯德尔一致性系数和五分位数在整个时间范围内的保留率。结果：对于整个样本，对体重指数（BMI）（肯德尔系数= 0.86）和体重（0.86）的粘性最强，其次是皮褶厚度（0.72-0.78），血脂（0.67-0.72）和血压（0.45-0.51）。对于BMI，从3年级到5年级的学生中有96％的学生保持在+/- 1的五分之一内; 90％处于三年级至八年级的范围内。结论：性别和种族差异很小，但很明显：男孩和非洲裔美国学生的追踪能力更强。这些结果表明，儿童的心血管风险相对水平在6年内保持稳定。

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