Among children with family history of allergic disordersb (n = 507)
|
No antibiotic use in pregnancy
|
303 (90.7)
|
168 (97.1)
|
ref
|
ref
|
Using antibiotics in pregnancy
|
31 (9.3)
|
5 (2.9)
|
3.4 (1.3–9.0)
|
3.1 (1.2–8.4)
|
Among children without family history of allergic disordersb (n = 968)
|
No antibiotic use in pregnancy
|
275 (95.2)
|
655 (96.5)
|
ref
|
ref
|
Using antibiotics in pregnancy
|
14 (4.8)
|
24 (3.5)
|
1.4 (0.7–2.7)
|
1.3 (0.6–2.6)
|
Among children with Family history of allergic disorders
|
Exclusively breastfed within the first 6 months of life (n = 252)
|
No antibiotic use in pregnancy
|
157 (94.6)
|
82 (95.4)
|
ref
|
ref
|
Using antibiotics in pregnancy
|
9 (5.4)
|
4 (4.6)
|
1.2 (0.4–3.9)
|
0.8 (0.2–3.0)
|
Non - Exclusively breastfed within the first 6 months of life (n = 255)
|
No antibiotic use in pregnancy
|
146 (86.9)
|
86 (98.9)
|
ref
|
ref
|
Using antibiotics in pregnancy
|
22 (13.1)
|
1 (1.1)
|
13.0 (1.7–97.8)
|
14.8 (1.9–116.8)
|