TABLE 1

Summary Demographics: FSMT Versus STMA Cohorts

DemographicsFSMTSTMAP
Maternal age, y, mean (SD)30 (5)32 (5).08
Infant gestational age, wk, mean (SD)39 (1)39 (2).54
Infant birth wt, g, mean (SD)3000 (606)2980 (498).82
Cesarean delivery, n (%)22 of 48 (46)12 of 28 (43).86
Infant male sex, n (%)28 of 48 (58)16 of 28 (57)>.99
Maternal opioid agonist treatment, n (%)
 Methadone31 of 48 (65)18 of 28 (64).93
 Buprenorphine17 of 48 (35)10 of 28 (36)
Breastfed to any extent, n (%)22 of 48 (46)13 of 28 (46).90
Parental presence, percent time of total hospitalization, mean (SD)71 (31)58 (28).06
Cuddler presence, percent time of total hospitalization, mean (SD)5 (6)7 (6).08
Coexposures, third trimester, n (%)
 Nicotine38 of 48 (79)22 of 28 (79).92
 SSRIs6 of 48 (13)6 of 28 (21).29
 Benzodiazepines23 of 48 (48)4 of 28 (14).004*
 Illicit drugs24 of 48 (50)13 of 28 (46).83
White non-Hispanic, n (%)42 of 48 (88)23 of 28 (82).74
NICU admission, n (%)21 of 48 (44)12 of 28 (43).96
Nonparental custody, n (%)17 of 48 (35)10 of 28 (36).93
  • —, not applicable.

  • * P < .05.