同伴对儿童身体活动的影响：一项经验抽样研究。
Peer influence on children's physical activity: an experience sampling study.
作者信息
Salvy Sarah-Jeanne, Bowker Julie Wojslawowicz, Roemmich James N, Romero Natalie, Kieffer Elizabeth, Paluch Rocco, Epstein Leonard H
机构信息
Department of Pediatrics, Division of Behavioral Medicine, University at Buffalo, State University of New York, Farber Hall, NY 14214-3000, USA.
出版信息
J Pediatr Psychol. 2008 Jan-Feb;33(1):39-49. doi: 10.1093/jpepsy/jsm039. Epub 2007 May 24.
OBJECTIVE
The primary objective was to examine the associations between social context (the presence of peers, friends, and family members) and physical activity intensity for overweight and lean girls and boys.
METHODS
Participants for this study included 10 boys (M = 13.4 years; SD = .8) and 10 girls (M = 13.8 years; SD =. 8). Twelve participants were between the 15th and the 85th BMI percentile (eight girls, four boys) and eight youth were at or above the 85th BMI percentile (six boys, two girls). Participants reported on their activity intensity and whether the activity was solitary or with others for seven consecutive days.
RESULTS
Children were more likely to report more intense physical activity when in the company of peers or close friends. Overweight children reported greater physical activity when in the presence of peers than did lean children; however, overweight children also reported more time spent alone.
CONCLUSIONS
Taken together, findings highlight the importance of considering peer relationships in studies of physical activity and childhood "obesity".
目的
主要目的是研究社会环境（同伴、朋友和家庭成员的在场情况）与超重及偏瘦的女孩和男孩的身体活动强度之间的关联。
方法
本研究的参与者包括10名男孩（平均年龄M = 13.4岁；标准差SD = 0.8）和10名女孩（平均年龄M = 13.8岁；标准差SD = 0.8）。12名参与者的BMI处于第15至85百分位之间（8名女孩，4名男孩），8名青少年的BMI处于或高于第85百分位（6名男孩，2名女孩）。参与者连续七天报告他们的活动强度以及活动是独自进行还是与他人一起进行。
结果
孩子们在有同伴或密友陪伴时更有可能报告进行了强度更大的身体活动。超重儿童在有同伴在场时报告的身体活动比偏瘦儿童更多；然而，超重儿童也报告独自度过的时间更多。
结论
综合来看，研究结果凸显了在身体活动和儿童“肥胖”研究中考虑同伴关系的重要性。
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