Table 3 Variables associated with neonatal death adjusted by year of birth, maternal age, marital status, multiple gestation, mode of delivery and gestational age. São Paulo State, Brazil, 2004–2013
| Incidence Rate Ratio | 95 % Confidence Interval | |
|---|---|---|
| Maternal schooling | ||
| ≥ 12 years | reference | |
| < 7 years | 1.20 | 1.13–1.26 |
| 8–11 years | 1.11 | 1.06–1.16 |
| Parity | ||
| ≥ 2 | reference | |
| Primiparity | 0.96 | 0.92–0.99 |
| Prenatal care | ||
| ≥ 7 visits | reference | |
| 0 visits | 1.45 | 1.31–1.61 |
| 1–3 visits | 1.43 | 1.35–1.54 |
| 4–6 visits | 1.36 | 1.31–1.41 |
| Neonatal sex | ||
| Female | reference | |
| Male | 1.09 | 1.05–1.13 |
| 1st minute Apgar | ||
| 7–10 | reference | |
| 0–2 | 20.14 | 18.85–21.51 |
| 3–6 | 6.38 | 6.17–6.60 |
| Congenital malformation | ||
| Absent | reference | |
| Present | 15.10 | 14.28–15.98 |