Table 6. The risk factors for comorbidity of allergic diseases in children from non-atopic parents.
| AD and/or AR | AD and/or AS | AR and/or AS | AD and/or AR and/or AS | |||||
|---|---|---|---|---|---|---|---|---|
| OR | P | OR | P | OR | P | OR | P | |
| Gender (Male) | 1.900 | .024 | 1.146 | .669 | 2.074 | .011 | 1.829 | .029 |
| Preterm | .338 | .115 | .436 | .301 | .471 | .235 | .430 | .179 |
| Smoking | 1.719 | .075 | 1.001 | .997 | 1.798 | .055 | 1.563 | .135 |
| Breast Feeding ≥1m | .933 | .816 | 1.084 | .813 | .730 | .288 | .807 | .461 |
| C/S | 1.248 | .483 | 1.083 | .828 | 1.172 | .616 | 1.215 | .529 |
| First Parity | .707 | .226 | .775 | .435 | .711 | .237 | .683 | .173 |
| Housing (Townhouse) | .801 | .456 | 1.095 | .792 | .762 | .361 | .830 | .523 |
| Dehumidifier | .597 | .212 | .966 | .938 | .476 | .079 | .601 | .204 |
| Air Filter | .449 | .032 | .519 | .130 | .507 | .066 | .500 | .053 |
| Wooden Floor | 1.573 | .109 | 1.736 | .088 | 1.420 | .216 | 1.424 | .202 |
| Carpeting | .491 | .314 | .280 | .235 | .445 | .257 | .425 | .223 |
| Use of curtains | 1.976 | .104 | 1.213 | .682 | 2.561 | .030 | 1.993 | .088 |
| Tile Floor | 2.140 | .019 | 1.535 | .243 | 2.380 | .008 | 2.075 | .020 |
| Pet at Home | 1.211 | .622 | 1.295 | .553 | 1.107 | .794 | 1.019 | .961 |
Abbreviations: AD, atopic dermatitis; AR, allergic rhinitis; AS, asthma. OR and p values are calculated by multivariate analysis