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同伴影响对8至12岁男孩体育活动量的作用。

The effect of peer influence on the amount of physical activity performed in 8- to 12-year-old boys.

作者信息

Rittenhouse Melissa, Salvy Sarah-Jeanne, Barkley Jacob E

机构信息

School of Exercise Leisure and Sport, Kent State University, Kent, OK, USA.

出版信息

Pediatr Exerc Sci. 2011 Feb;23(1):49-60. doi: 10.1123/pes.23.1.49.

Abstract

The purpose of this study was to determine the amount of physical and sedentary activity normal-weight and at-risk-for/overweight boys perform when alone, with a peer of similar weight and with a peer of different weight. Participants included boys, ages 8-12 years, classified as either normal-weight (<85th BMI percentile; N = 12) or at-risk-for/overweight (<85th BMI percentile; N = 12). At-risk-for/ overweight boys allocated a greater amount of time to sedentary activities and accumulated fewer accelerometer counts than normal-weight boys in the alone condition. Once paired with a peer of either similar or different weight there were no differences between groups. These results indicate the presence of an unknown peer has a positive effect on at-risk-for/overweight children's physical activity behavior.

摘要

本研究的目的是确定正常体重以及有超重风险/超重的男孩在独自活动、与体重相似的同伴一起活动以及与体重不同的同伴一起活动时进行的体力活动和久坐活动的量。参与者为8至12岁的男孩,分为正常体重组(BMI百分位数<85;N = 12)或有超重风险/超重组(BMI百分位数>85;N = 12)。在独自活动的情况下,有超重风险/超重的男孩比正常体重的男孩分配给久坐活动的时间更多,且加速度计计数积累更少。一旦与体重相似或不同的同伴配对,两组之间就没有差异了。这些结果表明,有陌生同伴对有超重风险/超重儿童的体力活动行为有积极影响。

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