Variety and Frequency of YPAQ activities and physical activity characteristics of boys and girls measured at baseline and follow-up.
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Data are presented as mean ± standard deviation.Differences between girls and boys (p-value for sex differences) and differences between baseline and follow-up measurements (p-value for wave differences) were determined using multilevel linear regression.*P-value for wave x sex interaction.YPAQ, youth physical activity questionnaire; TPA, total physical activity; cpm, counts per minute; MVPA, moderate-to-vigorous intensity physical activity.
创建时间：
2015-12-02
