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Differences in mean scores (std) for each subscale of the G-DAS by age. Note: Group differences in mean scores for each dimension were examined using a Friedman test with a Dunn’s follow-up post hoc analysis. Different letters indicate that the means are significantly (p<0.05) different. Analyses were performed separately for data at ages 13 and 15 years. G-DAS Girls’ Disinclination for Physical Activity Scale
