Study variables OR* 95%CI P value AOR 95% CI P value
Intermediate (Socio economic factors):
Location of household:
Urban 1.00
Rural 1.71 (1.02, 2.88) 0.043
Household wealth status:
Highest quintile 1.00 1.00
4th quintile 1.32 (0.49, 3.55) 0.579 1.32 (0.49, 3.53) 0.585
Middle quintile 2.34 (0.99, 5.51) 0.052 2.26 (0.95, 5.36) 0.065
2nd lowest quintile 3.43 (1.59, 7.39) 0.002 3.00 (1.40, 6.42) 0.005
Lowest quintile 3.34 (1.50, 7.40) 0.003 2.82 (1.28, 6.20) 0.010
Mother’s education:
Primary/secondary or more 1.00 1.00
No education 2.21 (1.32, 3.70) 0.003 1.75 (1.06, 2.88) 0.029
Mother’s working status:
Not working 1.00 1.00
Working 1.76 (1.12, 2.75) 0.014 1.68 (1.09, 2.59) 0.019
Maternal marital status:
Currently married 1.00
Formerly married 1.59 (0.81, 3.12) 0.180
Household fctors:
Main household material of the wall:
Finished 1.00
Rudimentary 1.84 (0.91, 3.72) 0.091
Natural 2.31 (0.94, 5.69) 0.067
Main household material of the roof:
Finished 1.00
Rudimentary 1.15 (0.19, 6.89) 0.875
Natural 1.21 (0.77, 1.90) 0.397
Cooking location:
In a separate building 1.00
In the house 1.49 (0.90, 2.46) 0.121
Outdoors 1.00 (0.43, 2.33) 1.00
Separate room for cooking (2688):
Yes 1.00
No 1.36 (0.80, 2.31) 0.254
Improved sanitation facilities:
Yes 1.00
No 1.39 (0.88, 2.189) 0.158
Improved source of drinking water:
Yes 1.00
No 0.98 (0.64, 1.49) 0.921
Type of cooking fuel:
Clean fuels’ 1.00
Polluting fuels’ 1.53 (0.80, 2.94) 0.196
Environmental tobacco smoke:
No 1.00
Yes 1.41 (0.872.29) 0.163
Prroximate (individuals’ factors):
Maternal factors:
Mother’s current age (years):
20-29 years 1.00
Under 20 years 1.38 (0.35, 5.48) 0.646
30-39 years 1.40 (0.83, 2.34) 0.203
40 years and over 1.77 (0.96, 3.26) 0.065
Current use of contraception method:
Modern method 1.00
Traditional/no method 1.59 (1.04, 2.44) 0.034
Desire for pregnancy:
Wanted then 1.00
Wanted later/no more 0.92 (0.48, 1.78) 0.810
Ever had a terminated pregnancy:
Yes 1.00
No 1.11 (0.57, 2.14) 0.763
Mothers smoking status:
Never smoke 1.00
Yes smoke 2.44 (1.25, 4.76) 0.009
Child factors:
Sex of child:
Female 1.00
Male 1.04 (0.70, 1.54) 0.853
Birth rank:
1st birth rank 1.00
2-3rd birth rank 1.41 (0.83, 2.40) 0.209
4th birth rank and over 2.57 (1.47, 4.49) 0.001
Preceding birth interval:
1st child 1.00 1.00
Birth interval <3 years 3.01 (1.70, 5.31) <0.001 2.26 (1.31, 3.89) 0.003
Birth interval >3 years 1.29 (0.76, 2.19) 0.349 1.11 (0.64, 1.90) 0.717
Delivery and post-delivery factors:
Delivery assistant:
Health professional 1.00
None/TBA/other untrained 2.44 (1.56, 3.81) <0.001
Place of delivery:
Health facility 1.00
Non-health facility 2.90 (1.74, 4.82) <0.001
Mode of delivery:
Caesarean section 1.00 1.00
Non-caesarean section 7.73 (2.49, 23.95) <0.001 5.65 (1.78, 17.88) 0.003
Child’s breastfeeding status:
Child ever-breastfed 1.00 1.00
Child never-breastfed 24.65 (13.9, 43.67) <0.001 27.02 (14.11, 51.74) <0.001
Birthweight (kilograms):
2500-3500 kilograms 1.00
Under 2500 kilograms 3.20 (0.82, 12.45) 0.093
More than 3500 kilograms 0.94 (0.29, 3.03) 0.913
Not weighed at birth 3.70 (1.84, 7.43) <0.001
Birth size:
Average 1.00 1.00
Smaller than average 2.23 (1.28, 3.90) 0.005 1.88 (1.33, 4.45) 0.004
Larger than average 1.26 (0.77, 2.06) 0.366 1.15 (0.65, 2.04) 0.636