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. 2020 Nov 2;175(1):1–12. doi: 10.1001/jamapediatrics.2020.3541

Figure 2. Effectiveness of Anti-Bullying Interventions on Mental Health Problems at Study End Point.

Figure 2.

Meta-analysis of effectiveness on mental health problems at study end point. CPPRG indicates Conduct Problems Prevention Research Group; ES, effect size. The size of each square box indicates the relative weighting of the study in the meta-analysis. The short horizontal lines associated with each square box represent the 95% CIs. The vertical dashed line indicates the pooled effectiveness of anti-bullying interventions on mental health problems at study end point. The diamond represents the pooled effect estimate. The outer edges of the diamond represent the 95% CI around the pooled estimate. In the forest plot, the arrow at the top left indicates that the 95% CI is wider on that side than the highest value on the scale.