264 Appendices Table 3.7. Results of moderator analyses for categorical and continuous predictor characteristics on criminal behavior. Outcome category Moderator variables Studies (s) Effect sizes (k) β0 mean d (95% CI) β1 (95% CI) Omnibus test p value Variance level 2 Variance level 3 Criminal behavior Outcome characteristics Outcome subcategories 6 28 F(2,24) = 0.427 0.735 0.003 0.050** Criminal offenses (RC) 5 7 0.104 (-0.157–0.365) Convictions 4 6 0.166 (-0.099–0.431) 0.062 (-0.138–0.262) Reincarceration 3 4 0.056 (-0.223–0.336) -0.048 (-0.266–0.170) Other 6 11 0.141 (-0.108–0.390) 0.037 (-0.142–0.216) Assessment time 6 28 F(1,26) = 1.169 0.290 0.002 0.041** Post (RC) 4 18 0.182 (-0.056–0.421) Follow-up 4 10 0.038 (-0.235–0.311) -0.145 (-0.420–0.130) Sample characteristics Sex 6 28 -0.159 (-0.502–0.184) 0.013 (-0.000–0.026) F(1,26) = 3.947 0.058 0.002 0.020* Age 6 28 0.080 (-0.226–0.387) -0.007 (-0.037–0.023) F(1,26) = 0.217 0.646 0.002 0.056** Intervention characteristics Duration 6 28 0.050 (-0.168–0.269) 0.034 (-0.010–0.078) F(1,26) = 2.533 0.124 0.002 0.031 Study characteristics Type intervention condition 6 28 F(1,26) = 2.006 0.169 0.002 0.037** TAU+SNI (RC) 3 17 -0.009 (-0.295–0.278) SNI 3 11 0.286 (-0.023–0.576) 0.286 (-0.129–0.700) Risk of bias 6 28 F(1,26) = 0.078 0.782 0.002 0.065*** High (RC) 3 14 0.077 (-0.321–0.479) Some concerns 3 14 0.150 (-0.184–0.484) 0.071 (-0.450–0.592) Note: s = number of independent studies. k = number of effect sizes. Β0 mean d = Cohen’s d mean effect size of the corresponding predictor. Β1 = mean effect size difference between reference category and other corresponding categories. CI = confidence interval. Variance level 2 = variance between effect sizes within studies. Variance level 3 = variance between studies. RC = reference category. TAU+SNI = treatment as usual with the addition of a social network intervention. SNI = social network intervention only intervention condition. TAU+ = comparison group consisting of treatment as usual with the addition of another intervention. TAU = treatment as usual only control condition. *p < 0.05. **p < 0.01. ***p < 0.001.
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