Fig. 2

Maternal demographics. Mean maternal age and percentage of mothers who are married, white, non-Hispanic, and have private insurance in the respondent group compared to the non-respondent group. Each demographic variable is significantly increased in the respondent group. Maternal age, p = 0.002; Married, p < 0.001; Race, p = 0.002; Ethnicity, p = 0.02; Private insurance, p = 0.004. Student’s T-test and χ² test