Table 1: Analytical distribution of neonatal deaths with medical diagnosis of sepsis, 2000-2013. Londrina (PR).

Variable*	n known	n unknown	%	p-value	PR and 95%CI
Maternal age ≥35 years	211	18	31.5	0.85	1.03 (0.79-1.39)
Primipregnancy	208	21	33.3	0.10	1.20 (0.96-1.49)
Maternal smoking	203	26	31.8	0.69	1.05 (0.80-1.40)
Maternal alcoholism	203	26	40.4	0.13	1.35 (0.94-1.95)
Mother with partner	211	18	314	0.34	0.85 (0.62-1.18)
Maternal schooling >8 years	211	18	30.1	0.54	1.07 (0.85-1.36)
Prenatal appointment	210	19	31.4	0.10	0.66 (0.38-1.13)
N. of prenatal appointments <7	200	29	28.7	0.19	0.86 (0.68-1.07)
Single pregnancy	200	29	31.8	0.08	0.74 (0.52-1.05)
C-section	211	18	33.7	0.07	1.22 (0.98-1.51)
Pre-eclampsia	182	47	42.3	<0.01	1.47 (1.15-1.87)
Gestational diabetes	179	50	43.5	0.22	1.39 (0.86-2.24)
Urinary tract infection	182	47	27.0	<0.01	1.42 (1.13-1.79)
Premature rupture of membranes	178	51	27.7	0.29	0.85 (0.63-1.15)
Premature labor	181	48	29.5	0.08	0.79 (0.62-1.02)
Neonatal asphyxia	162	67	25.3	0.31	0.83 (0.57-1.20)
Gestational age <37 weeks	211	18	31.4	0.47	1.10 (0.83-1.45)
Weight at birth <2500 g	211	18	31.1	0.71	1.05 (0.80-1.37)
Apgar at 1 minute<7	208	21	26.0	<0.001	0.56 (0.45-0.69)
Apgar at 5 minutes <7	208	21	17.6	<0.001	0.41 (0.31-0.53)
Hospitalization after birth	194	35	31.2	0.70	0.93 (0.66-1.31)
Need for neonatal ICU	155	74	31.6	0.74	0.90 (0.51-1.61)
Late death (7 to 27 days of life)	211	18	63.2	<0.001	3.42 (2.78-4.20)

*Excluding records with ignored information; ICU: intensive care unit.