Exposure categories | Case N (%) | Control N (%) | OR (95% CI) | aORa (95% CI) |
---|---|---|---|---|
Among boysb (n = 832) | ||||
 No antibiotic use in pregnancy | 349 (91.4) | 436 (96.9) | ref | ref |
 Using antibiotics in pregnancy | 33 (8.6) | 14 (3.1) | 2.9 (1.6–5.6) | 2.2 (1.1–4.4) |
Among girlsb (n = 666) | ||||
 No antibiotic use in pregnancy | 240 (95.2) | 398 (96.1) | ref | ref |
 Using antibiotics in pregnancy | 12 (4.8) | 16 (3.9) | 1.2 (0.6–2.7) | 1.3 (0.5–3.0) |
Among boys | ||||
 Exclusively breastfed within the first 6 months of life (n = 437) | ||||
  No antibiotic use in pregnancy | 185 (94.9) | 234 (96.7) | ref | ref |
  Using antibiotics in pregnancy | 10 (5.1) | 8 (3.3) | 1.6 (0.6–4.1) | 1.0 (0.4–3.1) |
 Non - Exclusively breastfed within the first 6 months of life (n = 395) | ||||
  No antibiotic use in pregnancy | 164 (87.7) | 202 (97.1) | ref | ref |
  Using antibiotics in pregnancy | 23 (12.3) | 6 (2.9) | 4.7 (1.9–11.9) | 4.1 (1.5–10.9) |