TABLE 1

Subject Characteristics

Value
Total number10 589
Sex, n (%)
 Male5394 (51.0)
 Female5195 (49.0)
Gestational age, n (%)
 Term (>37 weeks)9584 (90.5)
 Late preterm (35–37 weeks)559 (5.3)
 Preterm (<35 weeks)446 (4.2)
Birth weight, n (%)
 AGA (2500–4000 g)8802 (83.0)
 LGA (>4000 g)980 (9.3)
 SGA (<2500 g)807 (7.6)
Screening location, n (%)
 Well nursery9484 (89.6)
 NICU1040 (9.8)
 Inpatient pediatric unit65 (0.6)
Infant race,a n (%)
 White5556 (53.5)
 Otherb2165 (20.4)
 Black or African American1642 (15.5)
 Asian479 (4.5)
 Unknown747 (7.1)
Infant ethnicity,a n (%)
 Non-Hispanic7844 (74.1)
 Hispanic or Latino2211 (20.9)
 Unknown534 (5.0)
  • AGA, appropriate for gestational age; LGA, large for gestational age; SGA, small for gestational age.

  • a Infant race and ethnicity were obtained from the medical record and are as self-reported by the mother at the time of admission to the hospital.

  • b “Other” includes those reported by the mother as “Other” as well as Native Hawaiian or Other Pacific Islander, American Indian, or Alaska Native.