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Table 3 Odds ratios and 95% confidence intervals for individual-level risk factors for under-5 mortality and region of residence

From: Regional inequalities in under-5 mortality in Nigeria: a population-based analysis of individual- and community-level determinants

Characteristics OR (95% CI)
Region of residence  
North Central 1.25 (0.83 - 1.88)
North East 1.72 (1.14 - 2.59)
North West 1.71 (1.13 - 2.57)
South East 1.14 (0.71 - 1.84)
South South 1.91 (1.21 - 3.02)
South West 1
Sex of child  
Female 1.08 (0.92 - 1.26)
Male 1
Birth order  
First birth (order 1) 1.27 (1.00 - 1.61)
2 - 4 birth order 1
≥ 5 birth order 1.58 (1.23 - 2.02)
Mother's age  
≤ 23 years 1.03 (0.82 - 1.31)
24 - 28 years 1
≥ 34 years 0.96 (0.74 - 1.26)
Mother's age at birth of first child  
≤ 18 years 1.11 (0.91 - 1.36)
≥ 19 years 1
Marital status  
Single 0.61 (0.29 - 1.27)
Married 1
Divorced 1.40 (0.93 - 2.11)
Religious affiliation  
Christian 1
Muslim 1.03 (0.77 - 1.37)
Traditional 1.67 (0.99 - 2.83)
Mothers' education  
No education 1.63 (1.21 - 2.19)
Primary education 1.60 (1.21 - 2.13)
Secondary or higher education 1
Wealth index  
Poor 1.28 (1.02 - 1.59)
Middle 0.70 (0.54 - 0.92)
Rich 1