Demographics of control and opioid mother-infant dyads

DemographicControls (n = 29)OPIOID (n = 64)P-value
Mean (SD) or n (%)Mean (SD) or n (%)
Maternal age (years)30.8 (6.0)29.1 (5.3)0.18
Infant gestational age (weeks)39.1 (1.4)39.0 (1.7)0.73
Infant birth weight (grams)3313.5 (486.7)3134.8 (516.4)0.12
Cesarean delivery9 (31.0%)25 (39.1%)0.46
Infant sex = male16 (55.2%)29 (45.3%)0.38
Maternal ethnicity
  White non-Hispanic12 (41.4%)56 (87.5%)< 0.0001
  Hispanic1 (3.5%)0
  Black14 (48.3%)5 (7.8%)
  Other2 (6.9%)3 (4.7%)

SD: standard deviation