highly significantp < 0.001
Within-group changes were also highly significant in the intervention arm (all p < 0.001 by Wilcoxon signed-rank test), while controls showed small but statistically significant increases in weight and BMI ( p < 0.001).
Within-group changes were also highly significant in the intervention arm (all p < 0.001 by Wilcoxon signed-rank test), while controls showed small but statistically significant increases in weight and BMI ( p < 0.001).