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Table 4.

Total number of injections and vaccine doses (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
 ≥10 446 (31.1) 176 (25.3) ref 148 (24.4) ref 21 (27.6) ref
 9, 8 or 7 507 (35.4) 229 (32.9) 1.0 [0.8–1.3] 197 (32.5) 1.0 [0.7–1.3] 30 (39.5) 1.3 [0.7–2.3]
 6, 5 or 4 380 (26.5) 246 (35.3) 1.3 [1.0–1.7] 223 (36.8) 1.4 [1.0–1.8] 18 (23.7) 0.9 [0.4–1.9]
 3. 2 or 1 57 (4.0) 17 (2.4) 0.7 [0.4–1.3] 15 (2.5) 0.8 [0.4–1.5] 2 (2.6) 0.5 [0.1–2.5]
 0 13 (0.9) 4 (0.6) 0.7 [0.2–2.2] 4 (0.7) 0.8 [0.3–2.7] 0 (0.0)
 Missing data 31 (2.2) 24 (3.5) 19 (3.1) 5 (6.6)
Total number of vaccine doses
 ≥25 797 (55.6) 352 (50.6) ref 302 (49.8) ref 42 (55.3) ref
 24-20 322 (22.5) 197 (28.3) 1.1 [0.9–1.5] 181 (29.9) 1.2 [0.9–1.5] 12 (15.8) 0.7 [0.4–1.5]
 19-15 180 (12.6) 85 (12.2) 1.1 [0.8–1.6] 72 (11.9) 1.2 [0.8–1.7] 12 (15.8) 0.9 [0.3–2.2]
 14-0 104 (7.3) 38 (5.5) 0.8 [0.5–1.2] 32 (5.3) 0.8 [0.5–1.2] 5 (6.6) 0.7 [0.3–2.1]
 Missing data 31 (2.2) 24 (3.5) 19 (3.1) 5 (6.6)
* Non-conditional logistic regression adjusted on age and gender
Int J Epidemiol. 2007 February; 36(1): 110–6.
Published online 2007 January 16. doi: 10.1093/ije/dyl270.