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Table 4 Univariable and multivariable odds ratios (95% CI) for factors associated with mother death clusters, 2000–2014

From: Space-time patterns in maternal and mother mortality in a rural South African population with high HIV prevalence (2000–2014): results from a population-based cohort

   Univariable Multivariable
Explanatory variables Categories of explanatory variables Crude Odds ratio Confidence interval p- value Adjusted odds ratio Confidence interval p-value
Death due to AIDS/TB Yes 2.722 2.31–3.21 <.0001 2.183 1.667–2.857 <.0001
No 1    1   
Highest education level Primary or less 2.504 1.68–3.73 0.019 2.122 1.404–3.207 <.0001
Secondary or more 1    1   
Age (years) 15–19 1    1   
20–24 0.892 0.69–1.16 0.388 0.764 0.502–1.165 0.211
25–29 0.864 0.66–1.12 0.275 0.661 0.434–1.006 0.533
30–34 1.014 0.78–1.33 0.916 0.685 0.444–1.057 0.087
35–39 1.017 0.76–1.36 0.908 0.532 0.324–0.871 0.012
40–44 1.103 0.81–1.51 0.538 0.879 0.531–1.455 0.615
45–49 1.834 1.37–2.47 <.0001 1.262 0.736–2.165 0.397
Parity   1.137 1.09–1.19 <.0001 1.086 0.998–1.181 0.057
Distance to nearest clinic ≥10 km 1.384 0.80–2.39 0.243    
<10 km 1      
Household electrified No 1.285 0.99–1.68 0.163    
Yes 1      
Year 2000–2006 1.495 1.27–1.76 <.0001 1.197 0.928–1.544 0.165
2007–2014 1    1   
Socio-economic status Poor 1.125 0.71–1.79 0.300    
medium 0.698 0.35–1.38 0.619    
Rich 1