highly significantp < 0.00001
The overall pooled effect size of acculturative stress in the intervention group was not significantly reduced versus control [mean difference: −0.36 (95% CI: −0.72, 0.00) at p = 0.05] with a highly significant difference in the heterogeneity (I 2 = 81% at p < 0.00001) ( Figure 4 a).