Robbins Lorraine B, Pfeiffer Karin A, Maier Kimberly S, Lo Yun-Jia, Wesolek Ladrig Stacey M
Michigan State University College of Nursing, East Lansing, MI 48824, USA.
J Sch Nurs. 2012 Aug;28(4):302-15. doi: 10.1177/1059840512438777. Epub 2012 Apr 3.
The primary purpose of the study was to determine whether girls in one school receiving nurse counseling plus an after-school physical activity club showed greater improvement in physical activity, cardiovascular fitness, and body composition than girls assigned to an attention control condition in another school (N = 69). Linear regressions controlling for baseline measures showed no statistically significant group differences, but the directionality of differences was consistent with greater intervention group improvement for minutes of moderate to vigorous physical activity/hour (t = 0.95, p = .35), cardiovascular fitness (t = 1.26, p = .22), body mass index (BMI; t = -1.47, p = .15), BMI z score (t = -1.19, p = .24), BMI percentile (t = -0.59, p = .56), percentage body fat (t = -0.86, p = .39), and waist circumference (t = -0.19, p = .85). Findings support testing with a larger sample.
该研究的主要目的是确定一所学校中接受护士咨询并参加课外体育活动俱乐部的女孩，与另一所学校被分配到注意力控制组的女孩相比（N = 69），在身体活动、心血管健康和身体成分方面是否有更大的改善。控制基线测量的线性回归显示，两组之间没有统计学上的显著差异，但差异的方向与干预组在中度至剧烈身体活动/小时的分钟数（t = 0.95，p = 0.35）、心血管健康（t = 1.26，p = 0.22）、体重指数（BMI；t = -1.47，p = 0.15）、BMI z评分（t = -1.19，p = 0.24）、BMI百分位数（t = -0.59，p = 0.56）、体脂百分比（t = -0.86，p = 0.39）和腰围（t = -0.19，p = 0.85）方面有更大改善一致。研究结果支持使用更大样本进行测试。
