Table 3.
Adjusted odds ratios (95% confidence intervals) based on multivariate logistic regression for associations with physician diagnosed ear infection.
| Variable | ORadj (95% CI) |
|---|---|
| Age, in years | |
| 6–11 | 1.48 (1.24, 1.76) |
| 12–17 | 1.00 |
| Sex | |
| Male | 1.00 (0.84, 1.19) |
| Female | 1.00 |
| Obese | |
| Yes | 1.29 (0.92, 1.81) |
| No | 1.00 |
| Mother smoked during pregnancy | |
| Yes | 1.12 (0.91, 1.38) |
| No | 1.00 |
| Tonsillitis | |
| Yes | 4.48 (3.62, 5.53) |
| No | 1.00 |
| Any respiratory related allergy | |
| Yes | 1.27 (1.04, 1.56) |
| No | 1.00 |
| Asthma | |
| Yes | 1.34 (1.04, 1.73) |
| No | 1.00 |
| Ethnicity | |
| First Nations/Métis | 0.61 (0.48, 0.79) |
| Caucasian | 1.00 |
| First born in the family | |
| Yes | 1.22 (1.02, 1.46) |
| No | 1.00 |
| Breastfed longer than three months | |
| Yes | 0.84 (0.70, 1.00) |
| No | 1.00 |