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Table 3 Overall effect sizes per outcome, gender sensitivity analysis (studies with male participants excluded, n = 15 remaining)

From: Psychosocial interventions targeting mental health in pregnant adolescents and adolescent parents: a systematic review

  All time points
Effect size p-value 95% Confidence Intervals
Positive mental health 0.33 0.05* 0.00 0.66
Mental disorders (depression and anxiety) −0.11 0.21 −0.30 0.08
Self-harm and suicide
Aggressive, disruptive and oppositional disorders
Substance use −0.27 0.26 −1.10 0.56
Risky sexual and reproductive health behaviors −0.17 0.56 −2.68 2.35
School attendance 0.64 0.01** 0.55 0.72
Adherence to antenatal and postnatal care     
Parenting skills 0.06 0.65 −0.24 0.25
Exposure to IPV     
  1. *p < 0.05; **p < 0.01; ***p < 0.001. Models in italics are indicative only, given the statistical estimation procedures used. For positive mental health, school attendance, adherence to antenatal and postnatal care, and parenting skills, a positive effect size denotes a beneficial effect. For all other outcomes, a negative effect size denotes a beneficial effect