Table 2.

Univariate and multivariate models of outcome

Variables	Neonatal mortality and morbidity ** (N = 106)	Safe Birth (N = 1564)	Chi2-Pearson p-value	Univariate Logistic Regression Odds-Ratio [CI 95%]	Multivariate Logistic Regression Adjusted Odds-Ratio [CI 95%]	P-value
Time of call *	34.3% (34/99)	31.6% (451/1427)	0.57
Time of unit intervention *	37.1% (39/105)	34.1% (513/1503)	0.53
Time of unit reaching the hospital (ie. > 30 min)*	21% (19/91)	19% (263/1417)	0.58
Non-French speaking	8.6% (9/104)	12.0% (184/1535)	0.31
Unhealthy housing	17.0% (14/82)	9.0% (113/1266)	0.02	2.1 [1.1–3.9]
Multiple pregnancy	5.6% (6/108)	0.5% (7/1557)	< 0.0001	13.2 [4.4–40]	70.7 [4.7–1062]	0.002
Primiparity	35.0% (37/106)	12.0% (179/1548)	< 0.0001	4.1 [2.7–6.3]
Intercurrent midwife or physician consultation	9.3% (10/108)	2.9% (46/1560)	< 0.001	3.4 [1.7–7]
Conform antenatal care	81.1% (86/106)	94.2% (1451/1540)	< 0.0001	0.3 [0.2–0.4]
Midwife consultation in the last 24 h	12.0% (11/93)	24.0% (333/1370)	0.006	0.4 [0.2–0.8]
Older maternal age *	7.0% (34/106)	6.2% (65/1041)	0.57
Fetal pathology	5.7% (6/106)	0.7% (10/1548)	< 0.0001	9.2 [3.2–26]
Prematurity (ie. < 37 weeks of gestational age)	36.0% (38/105)	4.0% (60/1455)	< 0.0001	34.7 [19–63.5]	6.7 [2.1–21.4]	0.001
Maternal pathology	50.0% (53/106)	20.0% (314/1540)	< 0.0001	9.1 [3.3–25.7]	2.8 [1.0–7.5]	0.047
Breech presentation	7.0% (6/86)	1.4% (21/1493)	< 0.001	5.4 [2.1–13.7]
Cord prolapse	15.4% (12/78)	18.9% (230/1217)	0.44
Meconium-stained amniotic fluid	24.0% (15/63)	14.0% (123/886)	0.03	1.9 [1.1–3.6]
Hypothermia	35.9% (19/53)	20.6% (184/892)	< 0.001	2.2 [1.2–3.9]	2.8 [1.1–7.6]	0.039

*Defined by extreme population tercile T3 versus T1+; ** Defined as death or neonatal intensive care unit hospitalization at Day 7; NICU: neonatal intensive care unit; CI 95%: confidence interval 95%