Table 3. Distribution of vaccine uptake among participants.

	Vaccine uptake N (%)	OR (95%CI)	p-value	aOR (95%CI)	p-value
Total	82/208 (39%)
Sex			0.8
Women	81/206 (39%)	1	-
Men	1/2 (50%)	1.5 [0.1–25.0]	-
Age			0.1		0.355
[20–30[	23/74 (31%)	1	-	1
[30–40[	27/67 (40%)	1.5 [0.7–3.0]	-	1.9 [0.6–6.8]
[40–50[	22/40 (55%)	2.7 [1.2–6.0]	-	1.9 [0.4–9.0]
[50–60]	10/27 (37%)	1.3 [0.5–3.3]	-	0.8 [0.2–4.6]
Practice setting, n (%)			0.179		0.864
Public or private hospital maternity ward	54/137 (39%)	1	-	1
Free-lance practice	11/38 (29%)	0.6 [0.3–1.4]	-	0.4 [0.2–1.1]
Child and maternal protection centres	4/10 (40%)	1.1 [0.3–3.8]	-	0.7 [0.2–2.2]
Public or private hospital maternity wards and free-lance practice	11/21 (52%)	1.7 [0.7–4.3]	-	0.6 [0.2–2.8]
Public or private hospital maternity wards and Child and maternal protection centres	2/2 (100%)	1	-	1
Professional experience			0.024		0.485
<10 years	31/99 (31%)	1		1
≥ 10 years	51/109 (51%)	1.9 [1.1–3.4]		1.3 [0.7–2.3]
General knowledge on vaccination			0.001		0.948
Limited	15/66 (23%)	1
Average	63/131 (48%)	3.2 [1.7–6.3]
High	4/10 (40%)	1.5 [0.3–6.4]
Knowledge on influenza vaccination			<0.001		<0.001
Limited	12/77 (16%)	1		1
Average	59/111 (53%)	6.1 [3.0–12.6]		5.8 [2.8–12.1]
High	11/20 (55%)	6.6 [2.3–19.4]		6.0 [2.0–18.1]
Exposure to an influenza vaccination campaign			0.686
No	38/100 (38%)	1
Yes	44/108 (41%)	1.1 [0.6–1.9]
Presence of an influenza vaccination protocol			0.321
No	45/124 (36%)	1
Yes	28/64 (44%)	1.4 [0.7–2.5]
Recommendation of influenza vaccination to pregnant patients			<0.001		0.185
Never	7/63 (11%)	1		1
Sometimes	20/61 (33%)	3.9 [1.5–10.1]		2.7 [0.9–8.6]
Often	32/48 (67%)	16 [6.0–43.0]		8.6 [1.5–48.9]
Always	22/35 (63%)	13.5 [4.8–38.4]		5.0 [0.7–33.9]
Prescription of influenza vaccine to pregnant patients			<0.001		0.127
Never	11/73 (15%)	1		1
Sometimes	21/59 (36%)	3.1 [1.4–7.2]		1.2 [0.4–3.6]
Often	33/53 (62%)	9.3 [4.0–21.7]		1.5 [0.3–7.7]
Always	16/22 (73%)	15.0 [4.8–46.8]		4.4 [0.5–36.8]

OR: Odds Ratio; aOR: adjusted Odds Ratio