Sirard John R, Pfeiffer Karin A, Dowda Marsha, Pate Russell R
Division of Epidemiology and Community Health School of Public Health, University of Minnesota, Minneapolis, MN 55454-1015, USA.
Pediatr Exerc Sci. 2008 May;20(2):198-210. doi: 10.1123/pes.20.2.198.
The purpose of this study was to identify racial differences in physical activity (PA), fitness, and BMI in female 8th-grade sports participants and nonparticipants. Girls from 31 South Carolina middle schools (N = 1,903, 48% White; mean age = 13.6 +/- 0.63) reported PA and previous year sports-team participation, completed a submaximal fitness test, and had height and weight measured. Sports team participation was positively associated with PA and negatively associated with television viewing and BMI, in a dose-response manner. Compared with Whites, African-Americans reported less PA and more television viewing, and had greater BMI scores. Whereas PA intervention programs that incorporate a sports-team component could benefit all girls, African-American girls could be specifically targeted because of their lower physical activity.
本研究的目的是确定八年级参与体育运动和不参与体育运动的女性在身体活动（PA）、健康状况和体重指数（BMI）方面的种族差异。来自南卡罗来纳州31所中学的女孩（N = 1903，48%为白人；平均年龄 = 13.6 ± 0.63）报告了她们的身体活动情况和上一年参与运动队的情况，完成了一次亚极量健康测试，并测量了身高和体重。运动队参与与身体活动呈正相关，与看电视和BMI呈负相关，且呈剂量反应关系。与白人相比，非裔美国女孩报告的身体活动较少，看电视较多，且BMI得分更高。鉴于纳入运动队组成部分的身体活动干预项目可能使所有女孩受益，非裔美国女孩因其较低的身体活动水平可成为特定的目标群体。
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