Table 2. Associations between cat allergen exposures stratified based on the previously defined threshold and asthmatic respiratory symptoms.
| Any lower respiratory symptoms v.s. reference group | ||||||
|---|---|---|---|---|---|---|
| μg/g | any lower resp. symp. | sensitized to cat | allergic symptoms near cat/dog/horses | |||
| n | OR 1 (CI) | N | OR 1 (CI) | n | OR 1 (CI) | |
| undetectable | 477 | Ref. | 228 | 233 | ||
| 0.10–0.23 | 480 | 1.02 (0.77–1.35) | 241 | 1.00 (0.60–1.66) | 270 | 1.25 (0.78–1.98) |
| 0.24–0.63 | 412 | 1.03 (0.76–1.39) | 210 | 1.09 (0.64–1.85) | 241 | 1.47 (0.91–2.38) |
| 0.64–8.0 | 427 | 0.90 (0.66–1.22) | 232 | 1.03 (0.61–1.75) | 252 | 1.19 (0.73–1.94) |
| >8.0 | 432 | 0.98 (0.72–1.32) | 217 | 0.97 (0.57–1.64) | 228 | 0.99 (0.60–1.65) |
1 Adjusted for sex, smoking, mattress-protector, frequency of mattress vacuuming and center (as a random effect)