Table 4.

Adjusted relative risks of inadequate PCU according to deprivation factors and other maternal characteristics

Maternal region of birth		France		North Africa		Sub-Saharan Africa
		N = 4628		N = 2140		N = 1606
Inadequate PCU %		17.3%		26.9%		34.7%
		aRR	95% CI	aRR	95% CI	aRR	95% CI
Social isolation		1.0	0.7–1.4	1.0	0.7–1.3	1.0	0.8–1.2
Poor or insecure housing condition		1.3	1.1–1.5	1.0	0.8–1.2	1.2	0.9–1.4
Not work-related household income		1.3	1.1–1.6	1.3	1.1–1.5	1.2	1.0–1.4
No permanent health care insurance		1.4	1.2–1.6	1.3	1.1–1.5	0.9	0.8–1.1
Maternal age	<20	1.7	1.2–2.3	0.6	0.2–1.9	1.2	0.8–1.6
	20–25	1.4	1.1–1.8	1.2	1.0–1.6	1.3	1.1–1.6
	25–30	1.2	1.0–1.4	1.0	0.9–1.2	1.1	0.9–1.3
	30–40	1	ref	1	ref	1	ref
	≥40	1.0	0.7–1.3	1.0	0.8–1.4	0.8	0.6–1.2
Father’s age	<25	1.3	1.0–1.5	1.2	0.7–1.9	1.1	0.8–1.6
	25–40	1	ref	1	ref	1	ref
	≥40	1.0	0.8–1.3	0.9	0.8–1.1	1.0	0.8–1.1
Schooling level	≤ Primary school	1.5	0.9–2.5	1.5	1.2–2.0	1.1	0.8–1.3
	Middle school	1.3	1.1–1.6	1.4	1.1–2.0	1.1	0.9–1.3
	High school	1.2	1.0–1.4	1.1	1.0–1.4	1.1	0.9–1.3
	University	1	ref	1	ref	1	ref
Number of children ≥ 3		1.2	1.1–1.2	1.1	1.0–1.2	1.1	1.1–1.2
Pregnancy	Expected	1	ref	1	ref	1	ref
	Unexpected	1.5	1.3–1.8	1.5	1.3–1.7	1.3	1.1–1.5
	Unwanted	1.9	1.3–2.7	1.8	1.3–2.7	1.6	1.2–2.0
Spontaneous pregnancy		1	ref	1	ref	1	ref
Ovulation induction		0.5	0.2–1.3	0.8	0.2–2.9	1.5	0.7–3.2
ART		1.0	0.6–1.8	0.7	0.3–1.6	0.9	0.5–1.9
Linguistic barrier		–	–	1.2	1.0–1.5	1.1	0.9–1.3
Undocumented migrants		–	–	1.1	0.8–1.3	1.2	1.0–1.4
Recent immigration		–	–	1.6	1.3–1.9	1.7	1.4–1.9

Multivariate Model B using multiple imputation

Data on birth place were missing for 33 patients and data on PCU were missing for 413 women

PCU prenatal care utilization, aRR adjusted relative risk, CI Confidence interval, ref reference

Deprivation index: Cf. Table 1