| Variable | Marginal effect (%) | 95% CI | |
| Age | 15–19 | 2.8 | 2.0, 3.5 | <0.001 | 20–24 | 3.5 | 2.8, 4.2 | <0.001 | 25–29 | 4.5 | 3.7, 5.3 | <0.001 | 30–34 | 5.4 | 4.5, 6.3 | <0.001 | 35–39 | 6.0 | 5.0, 7.0 | <0.001 | 40–44 | 7.5 | 6.2, 8.7 | <0.001 | 45–49 | 10.2 | 8.5, 11.8 | <0.001 |
| Residential status | Urban | 3.6 | 2.8, 4.4 | <0.001 | Rural | 5.5 | 5.1, 5.9 | <0.001 |
| Geographical region | Bubanza | 2.3 | 1.3, 3.3 | <0.001 | Bujumbura Rural | 3.1 | 2.0, 4.2 | <0.001 | Bururi | 11.2 | 9.1, 13.3 | <0.001 | Cankuzo | 0.5 | 0.1, 1.0 | 0.025 | Cibitoke | 3.0 | 1.9, 4.1 | <0.001 | Gitega | 5.2 | 3.9, 6.5 | <0.001 | Karusi | 0.6 | 0.1, 1.1 | 0.014 | Kayanza | 4.2 | 3.0, 5.4 | <0.001 | Kirundo | 2.3 | 1.4, 3.2 | <0.001 | Makamba | 20.8 | 18.1, 23.4 | <0.001 | Muramvya | 0.5 | 0.1, 1.0 | 0.025 | Muyinga | 0.5 | 0.1, 0.9 | 0.025 | Mwaro | 2.1 | 1.2, 3.1 | <0.001 | Ngozi | 1.8 | 1.0, 2.6 | <0.001 | Rutana | 4.4 | 3.0, 5.7 | <0.001 | Ruyigi | | — | — | Bujumbura Mairie | 5.9 | 3.6, 8.2 | <0.001 | Rumonge | 21.5 | 18.8, 24.3 | <0.001 |
| Education | No formal education | 5.6 | 5.0, 6.2 | <0.001 | Primary | 5.5 | 4.9, 6.0 | <0.001 | Secondary+ | 3.7 | 3.0, 4.4 | <0.001 |
| Wealth quintiles | Poorest | 4.7 | 3.9, 5.6 | <0.001 | Poorer | 5.4 | 4.6, 6.2 | <0.001 | Middle | 4.9 | 4.2, 5.6 | <0.001 | Richer | 5.4 | 4.7, 6.1 | <0.001 | Richest | 5.1 | 4.4, 5.9 | <0.001 |
| Marital status | Unmarried | 4.9 | 3.9, 5.8 | <0.001 | Currently married/living with a partner | 5.2 | 4.8, 5.7 | <0.001 | Formerly married | 5.0 | 4.0, 6.0 | <0.001 |
| Health insurance coverage | Covered | 4.3 | 3.7, 4.9 | <0.001 | Not covered | 5.4 | 5.0, 5.8 | <0.001 |
| Participation in labor force | Yes | 5.3 | 4.9, 5.6 | <0.001 | No | 4.5 | 3.7, 5.3 | <0.001 |
| Source of drinking water | Improved | 5.0 | 4.7, 5.4 | <0.001 | Unimproved | 5.7 | 4.9, 6.5 | <0.001 |
| Sanitation | Improved | 5.1 | 4.7, 5.6 | <0.001 | Unimproved | 5.1 | 4.6, 5.7 | <0.001 |
| Ever had a terminated pregnancy | Yes | 6.7 | 5.8, 7.6 | <0.001∗ | No | 4.8 | 4.5, 5.1 | <0.001∗ |
| Ever used anything or tried to delay or avoid getting pregnant | Yes | 5.9 | 5.3, 6.5 | <0.001 | No | 4.7 | 4.3, 5.1 | <0.001 |
| Alcohol use | Yes | 5.2 | 4.6, 5.7 | <0.001 | No | 5.1 | 4.7, 5.5 | <0.001 |
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