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OBJECTIVE: Mild head and brain injuries have gained increasing attention from health professionals and researchers. Little is known about mild injuries, which may not always be diagnosed or brought to medical attention. This study examines the associations between parent-reported history of mild head injury and behavioural problems in a large community-based sample of Chinese children. METHOD: Subjects included 725 children from China. Parents reported on children's head injury history and behaviour at age 6 years using the Chinese version of the Child Behavior Checklist. Mild head injury was defined as injury without loss of consciousness or hospitalization. Standardized T-scores were compared for each of the seven clinical sub-scales and three summary behavioural measures, adjusting for confounders. Logistic models were used to calculate odds ratios (ORs) between head injury and behavioural problems. RESULTS: Parents reported that 97 children (14%) had a single injury and 70 (10%) had multiple injuries. Compared to the controls, head-injured children had worse behavioural outcomes and a higher prevalence of behavioural problems. Multiple injuries were associated with higher risk of certain internalizing and externalizing problems. CONCLUSION: Mild head injuries, especially incurred repeatedly, may still be a significant risk for adverse behaviours in children.
Liu et al. (Mon,) studied this question.