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The objectives were to determine the effectiveness of programs in promoting family wellness and preventing child maltreatment and to identify factors that moderate program success.

Meta-analysis, employing a 3-step model testing procedure, was used to review 56 programs designed to promote family wellness and prevent child maltreatment.

The effect sizes for proactive interventions were larger at follow-up than at post-assessment, while the effect sizes for reactive interventions were higher at post-assessment than follow-up. The lowest effect sizes for home visitation programs on child maltreatment were for programs with 12 or fewer visits and less than a 6-month duration. Intensive family preservation programs with high levels of participant involvement, an empowerment/strengths-based approach, and a component of social support had higher effect sizes than programs without …