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Table 4 Multiple Cox-regression model for predictors of mortality in the KA-HDSS cohort September 2009-August 2013

From: Infant mortality and causes of infant deaths in rural Ethiopia: a population-based cohort of 3684 births

Characteristics Crude HR (95 % CI) P-value AHR (95 % CI) P-value
Sex     
 Female 1.00    
 Male 1.27 (0.94, 1.71) 0.12 1.25 (0.93, 1.69) 0.14
Maternal age     
 15–19 1.99 (1.21–3.28) 0.007 2.68 (1.47,4.87) 0.001
 20–24 1.17 (0.75,1.82) 0.48 1.39 (0.87,2.23) 0.17
 25–29 1.00   1.00  
 30–34 0.71 (0.44,1.14) 0.15 0.63 (0.38,1.04) 0.07
 35–39 1.02 (0.64, 1.63) 0.94 0.89 (0.53, 1.50) 0.0.67
 40–44 0.78 (0.31–4.56) 0.59 0.68 (0.26,1.78) 0.44
 45–49 1.80 (0.71, 4.56) 0.22 1.58 (061, 4.12) 0.35
Marital status     
 Married 1.00    
 Single 1.45 (0.94, 2.24) 0.09 1.32 (0.67, 2.61) 0.42
 Divorced 1.41 (0.74, 2.68) 0.29 1.56 (0.76, 3.19) 0.23
 Widowed 1.74 (0.43, 7.04) 0.44 1.65 (0.40, 6.86) 0.49
Maternal education     
 No formal education 1.00    
 Primary 0.98 (0.63, 1.51) 0.91 0.69 (0.43, 1.10) 0.12
 Secondary and above 0.77 (0.46, 1.29) 0.31 0.44 (0.24, 0.81) 0.009
Maternal occupation     
 Housewife/famer 1.00    
 Employed 1.14 (0.56, 2.33) 0.71 1.39 (0.64 3.01) 0.40
 Unemployed 1.40 (0.92, 2.12) 0.12 1.08 (0.55, 2.14) 0.83
Birth order     
 1 1.00    
 2 0.93 (0.51, 1.68) 0.80 1.16 (0.60, 2.26) 0.66
 3–4 0.92 (0.55, 1.56) 0.77 1.47 (0.76, 2.84) 0.25
 > = 5 0.78 (0.47, 1.29) 0.34 1.53 (0.75, 3.09) 0.24
Place of delivery     
 Home* 1.00    
 Health facility 1.28 (0.92, 1.79) 0.15 1.37 (0.97, 1.93) 0.08
  1. AHR- adjusted hazard ratios, *Unattended by skilled health worker