TABLE 1

Characteristics of Mother–Infant Dyads With and Without Separation in the First 2 Hours of Life for EOS Evaluation, N = 692

CharacteristicEvaluated Within 2 Hours (n = 101)Not Evaluated in 2 Hours (n = 591)P
Maternal demographic characteristics
 Non-white race42 (41.6)164 (27.8).007
 Mean age at delivery, y31.1 ± 4.731 ± 4.2.85
 Prepregnancy BMI ≥30a6 (6.1)21 (3.6).26
 Education less than college graduatea12 (12)73 (12.5).89
Intrapartum factors
 Spontaneous onset of labor66 (65.3)379 (64.1).91
 Epidural analgesia used85 (84.2)362 (61.3)<.001
 Labor ≥18 h40 (39.6)132 (22.3)<.001
 Delivery mode
  Vaginal49 (48.5)415 (70.2)<.001
  Assisted vaginal25 (24.8)56 (9.5)
  Cesarean27 (26.7)120 (20.3)
Infant characteristics
 Gestational age <39 wk11 (10.9)118 (20).04
 Mean birth weight, g3500 ± 443.43443 ± 427.7.22
 Male gender57 (56.4)302 (51.1).33
 Apgar score ≤7 at 5 min2 (2.0)2 (0.34).1
Infant outcomes
 Early breastfeeding initiation54 (53.5)517 (87.5)<.001
 Admitted to NICU during hospital stay1 (1.0)4 (0.7).28
 Weight at discharge, g3295 ± 4233226 ± 407.11
 Length of stay, d2.1 ± 12.3 ± 1.3.15
  • Data are presented as n (%) or mean ± SD.

  • a Prepregnancy BMI data were missing in 3 subjects separated for EOS evaluation and in 9 subjects not separated. Maternal education data were missing in 1 subject separated for EOS evaluation and in 5 subjects not separated.