Table 2

 Multivariate model for all rehospitalisations*

AOR95% CI
*Population for model consists of 33 269 infants with 738 rehospitalisations.
†864 babies were born at GA <34; of these 27 (3.1%) were rehospitalised.
Maternal age
    Age <18 years0.980.60 to 1.61
    Age 18–34 yearsRef
    Age 35+ years1.050.87 to 1.26
Infant sex
    Male1.281.11 to 1.49
    FemaleRef
Race
    African-American0.610.43 to 0.86
    Asian1.491.22 to 1.82
    Hispanic1.100.90 to 1.35
    Other1.200.88 to 1.62
    WhiteRef
Small for gestational age (<5th centile)
    Yes1.761.07 to 2.91
    NoRef
Gestational age and NICU admission
    Less than 34 weeks†0.960.57 to 1.62
    34–36 weeks, in NICU ⩾24 hours0.890.54 to 1.46
    34–36 weeks, in NICU <24 hours1.310.41 to 4.21
    34–36 weeks, never in NICU3.102.38 to 4.02
    37+ weeks, in NICU ⩾24 hours0.790.52 to 1.21
    37+ weeks, in NICU <24 hours1.430.73 to 2.81
    37+ weeks, never in NICURef
Score for neonatal acute physiology (SNAP-II)
    0Ref
    1–91.520.89 to 2.61
    ⩾102.001.19 to 3.36
Facility of birth
    A2.061.45 to 2.94
    B1.160.79 to 1.70
    C1.891.33 to 2.69
    D1.921.33 to 2.77
    E2.121.50 to 3.00
    FRef
    G3.052.21 to 4.22
Follow up status after birth hospitalisation discharge home
    Scheduled outpatient visit only within 72 hours0.830.69 to 1.00
    Home health visit only within 72 hours0.660.51 to 0.84
    Scheduled outpatient and home visit within 72 hours1.941.32 to 2.84
    No follow up within 72 hoursRef
c statistic0.657
Hosmer-Lemeshow p value0.6447