Table 5

Univariable and multivariable models for the association of mean NCI with baby and hospital characteristics

Model 1: univariable associationsModel 2: multivariable associations
Coefficient95% CIP valueR2 Coefficient95% CIP value
Gender
 MaleRef0.003
 Female1.99−2.84 to 6.810.418
Birth weight (kg)
 <1.4Ref0.026
 1.5 to <1.9−7.75−14.23 to −1.280.020
 2.0 to <2.4−3.37−11.92 to 5.170.440
 ≥2.5−3.84−9.68 to 2.010.200
Age (days)
 ≤2Ref0.061Ref
 3–7−0.16−6.34 to 6.020.9591.78−3.06 to 6.640.469
 8–288.822.70 to 14.950.0057.462.55 to 12.360.003
Nursing shift
 Day0.013
 Night−4.03−8.79 to 0.730.100
Neonatal care category
 A (severe illness)Ref0.015Ref
 B (moderate severity)−3.25−9.09 to 2.590.274−4.27−8.78 to 0.230.063
 C (stable)−5.34−11.23 to 0.560.076−7.65−12.29 to −3.020.001
Baby:nurse ratio
 1–3 babies/nurseRef0.406Ref
 4–11 babies/nurse−11.79−16.65 to −6.92<0.001−11.49−16.26 to −6.73<0.001
 ≥12 babies/nurse−25.89−30.13 to −21.65<0.001−24.41−28.64 to −20.17<0.001
Sector
 MissionRef0.556
 Private9.135.21 to 13.05<0.001
 Public−22.40−26.32 to −18.49<0.001
  • NCI, nursing care index.