“…Furthermore, a series of multiple linear regression analyses were conducted to examine the effect of the type of therapy on each outcome after controlling for the mother's socioeconomic, demographic, and delivery characteristics. More specifically, in our multiple regression, we controlled for maternal age, alcohol use during pregnancy, race, tobacco smoking quantity, ADI state ranking by zip code, medical insurance coverage, polysubstance use, parity status, prenatal care status, complications at delivery, gestational age, and maternal comorbidities of diabetes, hepatitis, depression, asthma, obesity, bipolar disorder, and autoimmune diseases, which were chosen based on prior research and theoretical risk on fetal outcomes [24,30,31]. We used appropriate measures of effect, p-value less than or equal to 0.05 and 95% confidence intervals (CIs), to determine significance.…”