. 2019 Sep 5;24(36):1800641. doi: 10.2807/1560-7917.ES.2019.24.36.1800641

Table 1. Participants baseline characteristics by maternity ward, Quebec, March 2014–February 2015 (n = 1,223).

Characteristics	Maternity hospital								Total (n = 1,223)
	CIUSSS de l’Estrie-CHUS (n = 373)		McGill University Health Centre (n = 290)		CHUS Ste-Justine (n = 265)		CHU de Quebec (n = 295)		Total (n = 1,223)
	n	%	n	%	n	%	n	%	n	%
Newborn
Week of delivery
< 37	16	4.3	11	3.8	17	6,4	11	3.7	55	4.5
≥ 37	352	94.4	277	95.5	246	92.8	284	96.3	1,159	94.8
Unknown	5	1.3	2	0.7	2	0.8	0	0	9	0.7
Rank in the family
First	179	48.0	131	45.2	128	48.3	135	45.8	573	46.9
Second	126	33.8	110	37.9	87	32.8	116	39.3	439	35.9
Third or more	68	18.2	48	16.6	47	17.7	44	14.9	207	16.9
Unknown	0	0	1	0.3	3	1.1	0	0	4	0.3
Presence of a disease at birth needing medical follow-up
Yes	9	2.4	5	1,7	7	2.6	3	1.0	24	2,0
No	361	96.8	278	95.9	255	96.2	292	99.0	1,186	97,0
Unknown	3	0.8	7	2.4	3	1.1	0	0	13	1.1
Mother
Language^a
French	343	92.0	110	37.9	200	75.5	264	89.5	917	75.0
English	14	3.8	74	25.5	8	3.0	2	0.7	98	8.0
Both French and English	7	1.9	51	17.6	36	13.6	16	5.4	110	9.0
Other	9	2.4	49	16.9	19	7.2	13	4.4	90	7.4
Unknown	0	0	6	2.1	2	0.8	0	0	8	0.7
Country of birth^a
Canada	338	90.6	155	53.4	164	61.9	257	87.1	914	74.7
Other	29	7.8	126	43.4	94	35.5	34	11.5	283	23.1
Unknown	6	1.6	9	3.1	7	2.6	4	1.4	26	2.1
Age at delivery (years)^a
< 20	3	0.8	1	0.3	7	2.6	0	0	11	0.9
20–29	198	53.1	78	26.9	88	33.2	113	38.3	477	39.0
30–39	167	44.8	196	67.6	158	59.6	173	58.6	694	56.7
≥ 40	5	1.3	14	4.8	12	4.5	9	3.1	40	3.3
Unknown	0	0	1	0.3	0	0	0	0	1	0.1
Mean ± SD	29.1 ± 4.7		31.8 ± 4.9		31.1 ± 5.1		30.8 ± 4.6		30.6 ± 4.9
Median (min-max)	29.0 (18–43)		32.0 (18–50)		32.0 (18–43)		31.0 (20–48)		31.0 (18–50)
Education level^a
High school: incomplete	17	4.6	7	2.4	15	5.7	7	2.4	46	3.8
High school: completed	110	29.5	32	11.0	53	20.0	38	12.9	233	19.1
College	95	25.5	50	17.2	41	15.5	67	22.7	253	20.7
University	148	39.7	192	66.2	150	56.6	182	61.7	672	54.9
Unknown	3	0.8	9	3.1	6	2.3	1	0.3	19	1.6
Civil status^a
Single	17	4.6	16	5.5	18	6.8	9	3.1	60	4.9
Common-law partners	268	71.8	104	35.9	128	48.3	190	64.4	690	56.4
Legally married	84	22.5	161	55.5	111	41.9	95	32.2	451	36.9
Separated or divorced	2	0.5	0	0	4	1.5	0	0	6	0.5
Unknown	2	0.5	9	3.1	4	1.5	1	0.3	16	1.3
Healthcare professional involved in pregnancy management^a
Family physician	122	32.7	35	12.1	3	1.1	109	36.9	269	22.0
Gynaecologist-obstetrician	213	57.1	237	81.7	257	97.0	154	52.2	861	70.4
Midwife	9	2.4	5	1.7	0	0	2	0.7	16	1.3
None	0	0	1	0.3	0	0	0	0	1	0.1
Both family physician and gynaecologist-obstetrician	20	5.4	3	1.0	3	1.1	30	10.2	56	4.6
Unknown	9	2.4	9	3.1	2	0.8	0	0	20	1.6
Annual family income^a
< CAD 40,000 (EUR 27,000)	78	20.9	63	21.7	65	24.5	33	11.2	239	19.5
CAD 40,000–79 999 (EUR 27,000-54,000)	133	35.7	81	27.9	72	27.2	61	20.7	347	28.4
≥ CAD 80,000 (EUR 54,000)	159	42.6	125	43.1	117	44.2	194	65.8	595	48.7
Unknown	3	0.8	21	7.2	11	4.2	7	2.4	42	3.4

SD: standard deviation.

^a p < 0.05 (Missing value not included). At least one site is different from the other. Statistics present overall differences in socioeconomic factors between maternity wards as a whole. As per the study objectives, no further test was applied to distinguish which site was different from the others.