Family and youth violence are increasingly recognized as key public health issues in developing countries. Parenting interventions form an important evidence-based strategy for preventing violence, both against and by children, yet most rigorous trials of parenting interventions have been conducted in high-income countries, with far fewer in low- and middle-income countries (LMICs). This systematic review, conducted in line with Cochrane Handbook guidelines, investigated the effectiveness of parenting interventions for reducing harsh/abusive parenting, increasing positive parenting practices, and improving parent-child relationships in LMICs. Attitudes and knowledge were examined as secondary outcomes. A range of databases were systematically searched, and randomized trials included. High heterogeneity precluded meta-analysis, but characteristics of included studies were described according to type of delivery mode and outcome. Twelve studies with 1580 parents in nine countries reported results favoring intervention on a range of parenting measures. The validity of results for most studies is unclear due to substantial or unclear risks of bias. However, findings from the two largest, highest-quality trials suggest parenting interventions may be feasible and effective in improving parent-child interaction and parental knowledge in relation to child development in LMICs, and therefore may be instrumental in addressing prevention of child maltreatment in these settings. Given the well-established evidence base for parenting interventions in high-income countries, and increasingly good evidence for their applicability across cultures and countries, there is now an urgent need for more rigorously evaluated and reported studies, focusing on youth outcomes as well as parenting, adapted for contexts of considerable resource constraints.
Parenting programs are the recommended strategy for the prevention and treatment of disruptive child behavior. Similar to most psychosocial interventions, it is unknown which components of parenting programs (ie, parenting techniques taught) actually contribute to program effects. Identifying what parents need to be taught to reduce disruptive child behavior can optimize intervention strategies, and refine theories on how parenting shapes disruptive child behavior. Method: In two meta-analyses, we updated the evidence-base for effectiveness of parenting programs delivered at various levels of prevention and treatment of disruptive behavior. We searched six databases (eg, PsycINFO, MEDLINE) for randomized trials and coded the parenting techniques taught in each program. We identified the techniques associated with program effects in general, and for prevention versus treatment, and immediate versus longer-term effects, specifically. Results: Parenting program effects on disruptive behavior gradually increased per level of prevention (universal d ¼ À0.21, selective d ¼ À0.27, indicated d ¼ À0.55) and treatment (d ¼ À0.69) (Meta-Analysis 1: 154 trials, 398 effect sizes). Three of 26 parenting techniques were associated with stronger program effects: positive reinforcement, praise in particular, and natural/logical consequences. Several additional techniques (eg, relationship building and parental self-management) were associated with stronger effects in treatment but weaker effects in prevention. No techniques were associated with stronger longer-term effects (Meta-Analysis 2: 42 trials, 157 effect sizes). Conclusion: Positive reinforcement and nonviolent discipline techniques (eg, applying natural/logical consequences) seem to be key parenting program techniques to reduce disruptive child behavior. Additional techniques (eg, parental self-management skills) might improve program effects in treatment, but not in prevention.
Child physical abuse is an issue of global concern. Conservative estimates set global prevalence of this type of maltreatment at 25%, its consequences and cost to society escalating with increasing frequency and severity of episodes. Syntheses of the evidence on parenting programs for reducing rates of physical abuse recidivism have, to date, not been able to establish effectiveness. Paucity of data and inconsistent inclusion criteria in past reviews made meta-analysis often impossible or uninformative. The current systematic review updates prior reviews and overcomes some of the methodological issues they encountered by pooling trial-level data from a well-defined scope of trials of parenting interventions aimed at preventing the re-abuse of children by parents with substantiated or suspected physical abuse history. Randomized controlled trials and rigorous non-randomized designs were sought via nine online databases, two trial registries, several clearinghouses and contact with experts. A total of fourteen studies of variable quality were included in this review, four of which had outcomes that enabled meta-analysis. Overall, this review presents evidence supporting the effectiveness of parenting behavioral programs based on social learning theory for reducing hard markers of child physical abuse recidivism. Meta-analysis found that the absolute risk reduction in risk of recidivism was 11 percentage points less for maltreating parents who undergo parenting programs (RD = −0.11, 95% CI [−0.22, −0.004], p = 0.043, I 2 = 28.9%). However, the pooled effect size was not statistically significant when calculated as a risk ratio (0.76, 95% CI [0.54, 1.07], I 2 = 38.4%). Policy makers and practitioners should be made aware that this intervention method is backed by promising evidence featuring modest yet significant reductions in hard markers of child physical abuse, even though the methodological robustness of these findings should be further explored in future research.
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