2.5. Statistical Analyses
Bivariate analyses were performed to detect any demographic or other baseline differences between the control and intervention groups, using the non-parametric Mann–Whitney test, the Chi-square test, or Fisher’s exact test. The CSI differences were analysed by applying a 2 × 2 mixed factorial analysis of variance (ANOVA), with the group (the intervention group vs. the control group) as the inter-subject variable and the moment (pre-intervention vs. post-intervention) as the intra-subject variable. In the Bonferroni post-hoc comparisons performed, a 