Fig. 2.
Forest plot of effect of interventions, systematic review of mental health interventions by lay counsellors in low- and middle-income countries, 2000–2019
CI: confidence interval.
Notes: The effect size of the intervention was expressed in terms of Hedges’ g, where (i) a Hedges’ g between 0.0 and ±0.2 indicates no effect; (ii) from > ±0.2 to < ±0.5 indicates a small effect; (iii) from > ±0.5 to < 0.8 indicates a medium effect; and (iv) ≥ ±0.8 indicates a large effect. The 2010 study by Patel et al. reported on two trials.43
