Table 2.
Results from logistic regressiona
| Negative response to: | Adjusted odds ratiob (95% CI) | P-value |
|---|---|---|
| 2. Do you have, or have you ever had, hayfever? | 2.44 (0.99 to 6.00) | 0.050 |
| 8. Do your allergy symptoms vary when you go from place to place (for example, on holiday)? | 4.00 (1.67 to 9.57) | 0.002 |
| 3. Do any of your parents or siblings (brothers or sisters) have, or have they ever had, hayfever? | 3.19 (1.37 to 7.44) | 0.010 |
| 9. Is there a specific trigger that always sets off your allergy symptoms? | 3.09 (1.32 to 7.22) | 0.010 |
Outcome is not atopy; that is, negative skin tests.
All odds ratios are adjusted for responses to the other three questions.