Behavior problems at 3 and 6 years: Prevalence and continuity in full-terms and preterms

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Abstract
Results are reported for a 3-year prospective longitudinal study of behavior problems in a group of children born at very low birthweight (r= .24–.35), the persistence of significant problems was quite high (50%). Early BSQ scores predicted later externalizing problems, even after the effects of prematurity, socioeconomic status, and family stress were removed, but not later internalizing problems. The latter were more strongly influenced by low SES and family stress. Findings for the full-terms, who had received the CBCL as well as the BSQ at 3 years, suggest that these two instruments may tap somewhat different dimensions of behavior disturbance at age 3.