Table 1 Maternal characteristics by study arm

Age

25.4 ± 3.1

27.8 ± 4.2

Race/Ethnicity

 White non-Hispanic

6(46.1%)

2(13.3%)

 Hispanic

7(53.8%)

11(73.3%)

 Native American

0

2 (13.3%)

Initiation of prenatal care in 1^st trimester

9(69.2%)

5 (33.3%)

Number of prenatal visits

6.6 ± 4.4

4.8 ± 4.41

Concurrent illicit opioid use

10(76.9%)

12 (80%)

Concurrent tobacco use

6 (46.15%)

9 (60%)

Concurrent methamphetamine use

2 (12.38%)

10 (66.67%)

Concurrent benzodiazepine use

0

4(26.67%)

Concurrent alcohol use

0

0

Concurrent SSRI

0

2(13.3%)

Preterm delivery

2(15.4%)

4 (26.7%)

Maternal gestational diabetes

1(7.7%)

0

Maternal Preeclampsia

2(15.4%)

1(6.7%)

Gestational age at delivery

37.5 ± 1.2

37.7 ± 1.7

Birthweight (grams)

2721 ± 364

2981 ± 438

Vaginal delivery

11(84.62%)

13(86.7%)

Cesarean delivery

2(15.38%)

2(13.3%)