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Objective: There is little longitudinal research investigating links between violence exposure and mental disorders among children in low- and middle-income countries (LMICs), despite high rates of violence. We examined cross-sectional and longitudinal violence-mental health associations among children in a large South African birth cohort, the Drakenstein Child Health Study, including direct clinical interviews capturing children's mental disorders. Method: =974), we assessed lifetime violence exposure and four subtypes (witnessed community, community victimization, witnessed domestic, domestic victimization) at ages 4.5 and 8-years via caregiver reports. At 8-years, caregivers completed the Child Behaviour Checklist; and psychiatric disorders were assessed using the Mini-International Neuropsychiatric Interview for Children and Adolescents, a self-report measure. We tested for associations using linear/logistic regressions, adjusted for confounders. Results: Most children (91%) had experienced violence by 8-years. Cross-sectionally, total violence exposure was associated with total (B =0.49 95% CI 0.32, 0.66), internalizing (0.32 0.17, 0.47), and externalizing problems (0.46 0.31, 0.61), and with increased odds of disorder at 8 years (aOR=1.09 1.05, 1.13). Longitudinally, total violence exposure up to 4.5-years was associated with total (B=0.27 0.03, 0.52), internalizing (0.24 0.04. 0.44), and externalizing scores (0.23 0.008, 0.45) at 8-years, but not with increased risk of psychiatric disorders. The strongest and most consistent associations were observed for domestic versus community violence subtypes. Conclusion: Our strong cross-sectional but weaker longitudinal findings suggest that recent violence exposures may be more critical than early exposures for children's mental health. Longitudinal exploration of other violence-affected LMIC populations is urgently needed.
Bailey et al. (Wed,) studied this question.