TABLE 3

Multivariate Predictors of Rebound Hyperbilirubinemia

VariableOR95% CIP
Male sex1.190.95–1.49.124
Gestational age, wk<.001
 3510.635.48–20.62
 3611.396.51–19.92
 3711.686.95–19.64
 382.701.88–3.89
 391.911.34–2.74
 40Reference
 410.760.34–1.70
Birth wt, g<.001
 <20000.120.04–0.37
 2000–24990.330.19–0.56
 2500–29990.830.57–1.20
 3000–3499Reference
 3500–39991.400.99–1.97
 4000–44991.430.63–3.25
 ≥45001.740.60–5.01
Infant race and ethnicity<.001
 WhiteReference
 Asian1.621.11–2.36
 Hispanic1.020.67–1.54
 African American0.460.26–0.81
 Other0.530.25–1.12
DAT.34
 NegativeReference
 Positive1.370.90–2.07
 Not done0.860.59–1.27
Feeding during phototherapy hospitalization.001
 Breast milk onlyReference
 1–3 formula feedings0.920.62–1.36
 4–10 formula feedings0.630.48–0.83
 ≥11 formula feedings0.430.27–0.68
Age at phototherapy initiation, per day0.380.33–0.44<.001
Age at phototherapy termination, per day1.150.83–1.57.40
Relative TSB at phototherapy termination, per mg/dL1.481.32–1.66<.001
Home phototherapy at discharge0.620.41–0.94.02
  • —, not applicable.