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评估青少年身体活动模型。

Evaluating a model of youth physical activity.

作者信息

Heitzler Carrie D, Lytle Leslie A, Erickson Darin J, Barr-Anderson Daheia, Sirard John R, Story Mary

机构信息

University of Minnesota, Division of Epidemiology and Community Health, 1300 S Second Street, Suite 300, Minneapolis, MN 55454, USA.

出版信息

Am J Health Behav. 2010 Sep-Oct;34(5):593-606. doi: 10.5993/ajhb.34.5.9.

Abstract

OBJECTIVE

To explore the relationship between social influences, self-efficacy, enjoyment, and barriers and physical activity.

METHODS

Structural equation modeling examined relationships between parent and peer support, parent physical activity, individual perceptions, and objectively measured physical activity using accelerometers among a sample of youth aged 10-17 years (N = 720).

RESULTS

Peer support, parent physical activity, and perceived barriers were directly related to youth activity. The proposed model accounted for 14.7% of the variance in physical activity.

CONCLUSIONS

The results demonstrate a need to further explore additional individual, social, and environmental factors that may influence youth's regular participation in physical activity.

摘要

目的

探讨社会影响、自我效能感、乐趣及障碍与身体活动之间的关系。

方法

采用结构方程模型,在10至17岁青少年样本(N = 720)中,研究父母及同伴支持、父母身体活动、个体认知与使用加速度计客观测量的身体活动之间的关系。

结果

同伴支持、父母身体活动及感知到的障碍与青少年身体活动直接相关。所提出的模型解释了身体活动中14.7%的方差变异。

结论

结果表明有必要进一步探索可能影响青少年定期参与身体活动的其他个体、社会和环境因素。

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Evaluating a model of youth physical activity.评估青少年身体活动模型。
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