Table 3 Univariable and multivariable odds ratios (95% CI) for risk factors associated with maternal mortality, 2000–2014
Univariable | Multivariable | ||||||
|---|---|---|---|---|---|---|---|
Explanatory variables | Categories of explanatory variables | Crude odds ratio | Confidence interval | p- value | Adjusted odds ratio | Confidence interval | p-value |
HIV Positive | Yes | 2.797 | 1.94–4.03 | <.0001 | 2.541 | 1.536–4.202 | <.0001 |
No | 1 | 1 | |||||
Highest education level | Primary or less | 2.116 | 1.13–3.97 | 0.019 | 1.972 | 1.040–3.740 | 0.038 |
Secondary or more | 1 | 1 | |||||
Age (years) | 15–19 | 1 | 1 | ||||
20–24 | 1.80 | 1.06–3.06 | 0.03 | 1.704 | 0.800–3.629 | 0.167 | |
25–29 | 2.766 | 1.67–4.58 | <.0001 | 1.785 | 0.857–3.720 | 0.122 | |
30–34 | 2.607 | 1.55–4.40 | <.0001 | 1.058 | 0.471–3.475 | 0.892 | |
35–39 | 1.603 | 0.87–2.94 | 0.127 | 0.585 | 0.224–1.524 | 0.272 | |
40–44 | 0.690 | 0.29–1.63 | 0.399 | 0.366 | 0.105–1.272 | 0.114 | |
45–49 | 1.227 | 0.56–2.70 | 0.611 | 0.130 | 0.015–1.107 | 0.062 | |
Parity | 1.268 | 1.20–1.34 | <.0001 | 1.422 | 1.243–1.627 | <.0001 | |
Distance to nearest clinic | ≥10 km | 1.46 | 0.46–4.62 | 0.519 | |||
<10 km | 1 | ||||||
Household electrified | No | 1.48 | 0.88–2.51 | 0.142 | |||
Yes | 1 | ||||||
Year | 2000–2005 | 1.007 | 0.77–1.32 | 0.961 | |||
2006–2014 | 1 | ||||||