Table 3

Bivariate and multiple logged linear regression models (N=1472)

VariablesUnadjusted modelAdjusted model
Coefficient (95% CI)P valueCoefficient (95% CI)P value
Length of stay0.15 (0.01 to 0.13)<0.0010.13 (0.11 to 0.15)<0.001
Patient age in months−0.01 (−0.02 to −0.01)<0.001−0.1 (−0.01 to −0.01)<0.01
Mother’s education
No formal education (ref)
 Up to primary−0.21 (−0.3 to −0.1)<0.001−0.01 (−0.09 to 0.07)0.83
 Secondary−0.11 (−0.23 to 0.00)0.050.04 (−0.03 to 0.12)0.27
 Higher0.1 (−0.05 to 0.24)0.190.09 (−0.01 to 0.19)0.08
Father’s education
No formal education (ref)
 Up to primary−0.19 (−0.3 to −0.09)<0.001−0.04 (−0.1 to 0.03)0.3
 Secondary−0.09 (−0.19 to 0.02)0.1−0.03 (−0.1 to 0.04)0.41
 Higher0.12 (0.0 to 0.24)0.05−0.01 (−0.09 to 0.07)0.82
Wealth quintile
Poorest (ref)
 Poorer0.13 (0.04 to 0.23)0.010.02 (−0.05 to 0.09)0.61
 Middle0.32 (0.22 to 0.42)<0.0010.09 (0.01 to 0.17)0.02
 Richer0.52 (0.43 to 0.62)<0.0010.14 (0.05 to 0.23)<0.001
 Richest0.73 (0.64 to 0.82)<0.0010.24 (0.014 to 0.34)<0.001
Place of residence
 Urban0.61 (0.55 to 0.66)<0.001
 Rural (ref)
Father’s occupation
Transport worker (ref)
 Informal worker0.27 (0.15 to 0.40)<0.001−0.09 (−0.18 to 0.00)0.06
 Farmer0.32 (0.2 to 0.44)<0.001−0.11 (−0.2 to −0.02)0.02
 Salaried employee0.43 (0.33 to 0.53)<0.001−0.06 (−0.14 to 0.02)0.16
 Business0.43 (0.32 to 0.53)<0.0010.0 (−0.09 to 0.09)0.98
 Others0.36 (0.21 to 0.50)<0.001−0.08 (−0.18 to 0.02)0.12
Type of facility
 Autonomous/specialised hospital0.5 (0.44 to 0.56)<0.0010.14 (0.06 to 0.22)<0.001
 Private hospital1.06 (0.97 to 0.14)<0.0010.68 (0.59 to 0.76)<0.001
 District hospital0.08 (−0.01 to 0.17)0.070.17 (0.11 to 0.24)<0.001
Upazila health complex (ref)
Constant3.93 (3.78 to 4.08)<0.001
N1472
 Probability > F<0.001
 R-squared0.63
 Root MSE0.37
 Mean VIF2.67
  • MSE, mean square error; ref, reference; VIF, variance inflation factor.