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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

From: Annual trend of neonatal mortality and its underlying causes: population-based study – 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