Effect of exclusive breastfeeding for <4 months on current asthma after adjustment for various sets of confounders
| Model | Subjects n | Current asthma | |
| OR (95% CI)# | p-value | ||
| a) Sex, gestational age, maternal smoking | 1871 | 1.19 (0.93–1.53) | 0.170 |
| b) Model a) and atopy | 1348 | 1.32 (0.98–1.77) | 0.067 |
| c) Model a) and infection exposure | 1836 | 1.18 (0.92–1.52) | 0.194 |
| d) Model b) and infection exposure | 1322 | 1.32 (0.98–1.78) | 0.066 |
| e) Model d) and maternal asthma | 1310 | 1.36 (1.00–1.85) | 0.047 |
#: Odds ratio (OR) for number with current asthma by exclusive breastfeeding for <4 months, compared to ≥4 months, adjusted for stated variables
CI: confidence interval