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Table 4 Overall effect sizes per outcome, screening sensitivity analysis (screen-in studies 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 0.41 0.01** 0.15 0.66
Mental disorders (depression and anxiety) −0.10 0.25 −0.31 0.10
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 0.31 0.53 −4.04 4.66
Parenting skills 0.07 0.47 −0.179 0.33
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