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Table 6 Multivariate Cox-proportional hazard model of predictors of neonatal mortality, delivered in randomly selected hospitals of Tigray region, northern Ethiopia, April-July, 2014 (n = 1152)

From: Survival of neonates and predictors of their mortality in Tigray region, Northern Ethiopia: prospective cohort study

Characteristics Unadjusted HR 95 % CI Adjusted HR 95 % CI
Residence
 Urban 0.42 0.26,0.68   
 Rural (ref) 1.00    
Number of children
 Prime (ref) 1.00    
 2–4 children 0.73 0.41,1.29   
 Multiple > =5 2.3 1.26,4.23   
Birth type
 Single (ref) 1.00    
 Multiple 4.97 2.32,6.97   
History of abortion
 Yes 0.44 0.26,0.75   
 No (ref) 1.00    
History of still birth
 Yes 0.31 0.17,0.55   
 No (ref) 1.00    
Delivery complication
 Yes (ref) 1.00   1.00  
 No 0.23 0.17,0.37 0.37 0.22,0.63
Exclusive breast feed
 Yes (ref) 1.00   1.00  
 No 21.63 12.82,36.49 7.5 3.77,15.6
Distance to health facility
 ≤5 km (ref) 1.00   1.00  
 5–10 km 3.14 1.76,5.58 1.25 0.66,2.37
 ≥10 km 4.64 2.42,8.89 2.5 1.29,4.91
Mode of delivery
 Spontaneous Vaginal (ref) 1.00    
 Cesarean section 1.17 0.654,2.1   
 Instrumental 2.38 1.12,5.05   
1-min apgar score
 Severe asphyxia (≤3) (ref) 1.00    
 Moderate asphyxia (3–6) 0.13 0.071,0.246   
 Normal (≥7) 0.01 0.0049,0.02   
5-min apgar score
 Severe asphyxia (≤3) (ref) 1.00    
 Moderate asphyxia (3–6) 0.2 0.088,0.45   
 Normal (≥7) 0.0055 0.0023,0.012   
Birth weight
 <2500 gm 11.49 4.49,29.39 1.00  
 2500–3500 gm (ref) 1.00   0.45 0.24, 0.84
 >3500 gm 1.19 0.46,3.08 0.73 0.26,2.07
Neonatal complication
 Yes (ref) 1.00   1.00  
 No 0.04 0.024,0.068 0.14 0.07,0.29
Weight for GA adequacy
 Adequate (ref) 1.00    
 SGA 3.16 1.81,5.50   
 LGA 1.02 0.49,2.11   
Hypothermia
 Yes (ref) 1.00    
 No 0.075 0.046,0.12   
  1. HR hazard ratio, GA gestational age, SGA small for gestational age, LGA large for gestational age