| Otitis media | |||||||
|
| Yes | NO | Total | p-value | Odd ratio | 95% C.L for EXP (B) | |
| Parenteral smoking | |||||||
| Yes | 29 (24.2%) | 64 (24.2%) | 93 (24.2%) | 0.987 | 0.6365 | Upper | Lower |
| NO | 91 (75.8%) | 200 (75.8%) | 291 (75.8%) | 0.696 | 0.577 | ||
| URTI | |||||||
| Yes | 81 (67.5%) | 108 (40.9%) | 189 (49.2%) | 0.000 | 3.000 | 4.724 | 1.905 |
| NO | 39 (32.5%) | 156 (59.1%) | 195 (50.8%) | ||||