Table 5.

Total number of injections and vaccine doses before age 6 months (children’s age > 1 year)

	Controls (n=1434)	AL (n=696)	OR [95%CI] (*)	ALL (n=606)	OR [95%CI] (*)	AML (n=76)	OR [95%CI] (*)
	n (%)	n (%)		n (%)		n (%)
Total number of injections before age 6 months
≥4b	684 (47.7)	310 (44.5)	ref	278 (45.9)	ref	26 (34.2)	ref
3	380 (26.5)	207 (29.7)	1.2 [1.0–1.6]	185 (30.5)	1.2 [1.0–1.6]	18 (23.7)	1.3 [0.7–2.4]
2or1	266 (18.6)	121 (17.4)	1.1 [0.9–1.5]	97 (16.0)	1.0 [0.8–1.3]	21 (27.6)	2.3 [1.2–4.2]
0	73 (5.1)	34 (4.9)	1.1 [0.7–1.7]	27 (4.5)	1.0 [0.6–1.6]	6 (7.9)	2.2 [0.9–5.7]
Missing data	31 (2.2)	24 (3.5)		19 (3.1)		5 (6.6)
Total number of vaccine doses before age 6 months
≥10	1052 (73.4)	538 (77.3)	ref	475 (78.4)	ref	51 (67.1)	ref
1 to 9	278 (19.4)	100 (14.4)	0.9 [0.7–1.1]	85 (14.0)	0.8 [0.6–1.1]	14 (18.4)	1.1 [0.6–2.1]
0	73 (5.1)	34 (4.9)	1.0 [0.6–1.5]	27 (4.5)	0.9 [0.6–1.4]	6 (7.9)	1.7 [0.7–4.2]
Missing data	31 (2.2)	24 (3.5)		19 (3.1)		5 (6.6)

^*Non conditional logistic regression adjusted on age and gender