Figure 1A. Forest Plot of Effect Sizes for Studies Assessing Parental Knowledge and Skills

Figure 1a. Forest plot of effect sizes for studies assessing parental knowledge and skills outcomes at post-intervention (ICC = 0.02).

Figure 1b. Forest plot of effect sizes for studies assessing parental knowledge and skills outcomes at post-intervention (ICC = 0.03).

Figure 1c. Forest plot of effect sizes for studies assessing parental knowledge and skills outcomes at post-intervention (ICC = 0.1).

Figure 1d. Forest plot of effect sizes for studies assessing parental knowledge and skills, studies with prior exposure removed(ICC = 0).

Figure 1e. Forest plot of effect sizes for studies assessing parental knowledge and skills outcomes at follow-up (ICC = 0.02).

Figure 1f. Forest plot of effect sizes for studies assessing parental knowledge and skills outcomes at follow-up (ICC = 0.03).

Figure 1g. Forest plot of effect sizes for studies assessing parental knowledge and skills outcomes at follow-up (ICC = 0.1).

Figure 2a. Forest plot of effect sizes for studies assessing parental wellbeing at post-intervention (ICC = 0.02).

Figure 2b. Forest plot of effect sizes for studies assessing parental wellbeing at post-intervention (ICC = 0.03).

Figure 2c. Forest plot of effect sizes for studies assessing parental wellbeing at post-intervention (ICC = 0.1).

Figure 2d. Forest plot of effect sizes for studies assessing parental wellbeing, studies with prior exposure removed (ICC = 0).

Figure 2e. Forest plot of effect sizes for studies assessing parental wellbeing outcomes at follow-up (ICC = 0.02).

Figure 2f. Forest plot of effect sizes for studies assessing parental wellbeing outcomes at follow-up (ICC = 0.03).

Figure 2g. Forest plot of effect sizes for studies assessing parental wellbeingoutcomes at follow-up (ICC = 0.1).

Figure 3a. Forest plot of effect sizes for studies assessing parent-child relationship at post-intervention, studies with prior exposure removed (ICC = 0).

Figure 3b. Forest plot of effect sizes for studies assessing parent-child relationship at post-intervention (ICC = 0.02).

Figure 3c. Forest plot of effect sizes for studies assessing parent-child relationship at post-intervention (ICC = 0.03).

Figure 3d. Forest plot of effect sizes for studies assessing parent-child relationshipat post-intervention (ICC = 0.1).

Figure 3e. Forest plot of effect sizes for studies assessing parent-child relationship at follow-up (ICC = 0.02).

Figure 3f. Forest plot of effect sizes for studies assessing parent-child relationshipat follow-up (ICC = 0.03).

Figure 3g. Forest plot of effect sizes for studies assessing parent-child relationshipat follow-up (ICC = 0.1).