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Table 2 Bivariable and multivariable Cox regression analysis of sociodemographic, economic and clinical predictors associated with under-five death rate of children in the Tigray Regional State, Ethiopia, 2016 (N = 1018)

From: Predictors of time-to-death on children in Tigray regional state, Ethiopia: a retrospective cross sectional study

   95% CI for HR    95% CI for HR  
Variables CHR Lower Upper P-value AHR Lower Upper P-value
Wealth index combined(ref. = rich)
 Middle 0.7 0.073 6.74 0.760 1.52 0.104 22.2 0.80
 Poor 7.24 0.073 6.74 0.0009a 15.4 2.83 84 0.0016a
Mother’s education level(ref. = higher)
 Secondary 0.47 0.043 5.21 0.541 0.041 0.002 1.077 0.06
 Primary 0.44 0.052 3.62 0.441 0.578 0.049 6.875 0.67
 No education 1.35 0.185 9.88 0.766 1.527 0.126 18.586 0.74
Water drink source(ref. = protected water)
 Unprotected water 2.7 1.24 5.8 0.012 a 2.24 0.94 5.6 0.07
Place of residence(ref. = urban)
 Rural 3.659 2.004 6.68 0.0000a 19.8 7.25 54.049 0.0000a
Mother’s marital status(ref. = married)
 Divorced/Widowed 0.67 0.207 2.18 0.507 0.246 0.047 1.2791 0.095
 Single 3.84 0.925 15.9 0.064 0.333 0.032 3.505 0.36
Gender of child status(ref. = female)
 Male 1.84 0.98 3.44 0.0573 0.954 0.460 1.978 0.90
 Mother’s age 1.01 0.97 1.06 0.553 1.07 0.994 1.1519 0.07
Child vaccination status (ref. = yes)
 No 7.65 3.53 16.6 0.0000a 2.76 1.071 7.11 0.035a
  1. CHR crude hazard ratio, AHR adjusted hazard ratio,a Significant at 5% level of significance, ref reference, CI confidence interval