Skip to main content

Table 13 Results of the random effects ANOVA analyses comparing intervention duration categories for health consequences and self-efficacy outcomes

From: The effectiveness of community engagement in public health interventions for disadvantaged groups: a meta-analysis

Outcome Intervention duration Pooled ES estimate 95% CI n
Health consequences a Less than 6 months .36** .16, .57 13
6 Months to 23 months .09 -.07, .26 16
2 or more years .06 -.16, .28 8
Participant self-efficacy b Less than 6 months .41* .01, .81 7
6 Months to 23 months .41* .00, .82 6
2 or more years .48* .08, .88 6
  1. *p < .05, **p < .01. Note. ES = effect size; 95% CI = 95% confidence interval; n = the number of effect size estimates in each category, of the predictor variable. aQB (2) = 5.20, p = .07. QW (34) = 35.19, p = .41. bQB (2) = .07, p = .96. QW (16) = 18.94, p = .27.