Table 3. Adjusted analysis of the factors associated with infant mortality in a sample of small and medium-sized cities in the North and Northeast regions of Brazil and in the Jequitinhonha Valley, State of Minas Gerais, Brazil, 2011.
| Variable | OR | 95%CI |
|---|---|---|
| Among white mothers | ||
| ABEP score - Classes D+E | 3.05 | 1.74–5.34 |
| ABEP score - Classes A+B+C | 1 | |
| Among black mothers | ||
| ABEP score - Classes D+E | 1 | 0.46–2.17 |
| ABEP score - Classes A+B+C | 1 | - |
| Among brown mothers | ||
| ABEP score - Classes D+E | 1.55 | 1.12–2.15 |
| ABEP score - Classes A+B+C | 1 | - |
| Smoking habit | ||
| Yes | 1.49 | 0.99–2.23 |
| No | 1 | |
| Works in agriculture | ||
| Yes | 1.55 | 1.12–2.15 |
| No | 1 | |
| Obstetric history | ||
| First time pregnancy | 1.09 | 0.79–1.50 |
| Abortion history | 0.80 | 0.51–1.28 |
| History of fetal and infant losses | 1.77 | 1.12–2.81 |
| Previous deliveries without loss | 1 | - |
| Adequacy of prenatal carea | ||
| Inadequate or no prenatal care | 1.41 | 1.07–1.86 |
| Adequate or more than adequate | 1 | - |
| Association to the maternity hospital during prenatal | ||
| No | 1.42 | 1.10–1.82 |
| Yes | 1 | - |
| High-risk pregnancyb | ||
| Delivery at home | 7.63 | 2.36–24.65 |
| Pilgrimaged | 2.71 | 1.57–4.68 |
| Did not pilgrimage | 1 | - |
| Pregnancy not at riskb | ||
| Delivery at home | 1.76 | 0.68–4.53 |
| Pilgrimaged | 1.06 | 0.54–2.06 |
| Did not pilgrimage | 1 | - |
ABEP: Associação Brasileira de Empresas de Pesquisa (Brazilian Association of Research Companies)
a Indicator proposed by Leal et al.9
b According to the criteria defined in the study and described in the Methods section.