Fig. 2

Graphical display for statistical significance of interventions. ‘Significant’ means that the treatment achieved statistical significance (intervention vs. control, P < 0.05 or Cohen’s d > 0.8) according to the primary measurement at the planned time point outcome assessment. ‘Partially significant’ means (1) only the part of the main outcomes was statistically significant or (2) statistical significance was observed only at certain time points without a description of the fixed period for final assessment