The impact of snacking habits and physical activity on body composition in overweight and obese adolescents: A longitudinal study differentiating home and school environments.

The Shapiro-Wilk test was used to test for normal distribution of the data at T0, T1, and T2 respectively, and the paired samples t-test (for normal distribution) or the paired samples wilcoxon signed-rank test (for non-normal distribution) was used to analyze the variability of the three data, involving a two-by-two comparison of three components, and the Bonferroni correction was used to adjust the significance level to control for Type I errors, with the Bonferroni correction giving a significance level of 0.05/3 = 0.0167 and a highly significant level of 0.01/3 = 0.0033.

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