Risk factors Current AR Current AR Current AR
aOR 95% Cl P-value
Antibiotic use during infancy (>3days)
Use (n=273/1158) 1.569 1.108–2.222 0.011
No use (n=885/1152) Reference Reference Reference
1–2 course(s) (n=151/1152) 1.181 0.741–1.881 0.484
≥3 course (n=116/1152) 2.058 1.290–3.284 0.002
Cesarean section delivery (n=391/1163) 0.974 0.692–1.370 0.878
Breast milk feeding
Yes (n=696/1168) 0.976 0.704-1.353 0.883
No (n=423/1105) Reference Reference Reference
During <6 months (n=326/1105) 1.095 0.741–1.618 0.648
During ≥6 months (n=356/1105) 0.855 0.569–1.283 0.448
Having older siblings
Yes (n=684/1159) 0.660 0.478–0.910 0.011
None (n=475/1159) Reference Reference Reference
Only one (n=461/1159) 0.713 0.501–1.013 0.059
Two or more (n=223/1159) 0.526 0.303–0.913 0.022