A. Rate of infants, 1 year of age in foster care per 1000 live births: authors’ analysis of the Adoption and Foster Care Analysis and Reporting System and Centers for Disease Control and Prevention Natality data (https://wonder.cdc.gov/natalitycurrent.html).
B. Rate of infants,1 year of age in foster care associated with parental substance use per 1000 live births. Parental substance use may be unreported in some states.