A cumulative risk index for use in the medical home.
2021
BACKGROUND AND OBJECTIVE Previous studies have described the effect of sociodemographic factors on early development. We describe development of a simple cumulative risk index (CRI) based on four sociodemographic factors and explore the concurrent and predictive relationship of this index to a measure of the cognitive home environment in early childhood and to later school functioning. METHODS This was a secondary data analysis of children from an urban pediatrics clinic. Baseline data were collected at 10-23 months (n = 324) with primary follow-up 6 months later at 18-35 months (n = 179) and secondary follow-up at 8-10 years (n = 68). A CRI score was derived at baseline using maternal education, marital status, race/ethnicity and child insurance. Baseline and primary follow-up included three subscales of the STIMQ, a measure of the cognitive home environment. Effectiveness of CRI was examined using analysis of variance (ANOVA) with linear contrasts. Chi-square examined differences in school function between children from CRI high-risk (CRI 3-4) and low-risk (CRI 0-2) families. RESULTS CRI had a negative impact in early childhood on STIMQ subscale scores (p < 0.007-0.05) that increased as the number of risk factors increased (p < 0.05). Significantly more children from high-risk families (CRI 3-4) were rated as having poor school performance than children from low-risk families (CRI 0-2) (p < 0.05). CONCLUSIONS We showed that a practice-friendly CRI, based on characteristics typically available in the medical record, could help identify families less likely to support development concurrently at 1 year of age and predictively at 2-3 years. School functioning at 8 to 10 years was also significantly better in children with a low CRI at 1 year. The CRI could be a useful tool for both clinicians and researchers needing a simple tool for risk assessment.
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