Table 5.
Multiple regression model of the association between dog antigen levels (concentration: μg/g and loading: μg/m2) and home characteristics
| Dog (concentration)
|
Dog (loading)
|
|||
|---|---|---|---|---|
| Home characteristics | Geometric mean (μg/g) | RR (95% CI) | Geometric mean (μg/m2) | RR (95% CI) |
| Number of dogs | ||||
| No dog | 11.0 | 1 | 3.4 | 1 |
| One dog | 122.1 | 1.82 (1.56, 2.13) | 35.1 | 1.85 (1.72, 1.99) |
| Two or more dogs | 157.4 | 1.74 (1.36, 2.23) | 78.0 | 2.14 (1.94, 2.37) |
| Number of residents | ||||
| ≤4 | 26.8 | 1 | 7.9 | 1 |
| >4 | 17.0 | 0.86 (0.80, 0.93) | 5.9 | 0.89 (0.83, 0.95) |
| Season | ||||
| Spring | 17.4 | 4.1 | 1 | |
| Summer | 22.9 | 8.4 | 1.15 (1.04, 1.27) | |
| Fall | 29.2 | 9.3 | 1.16 (1.05, 1.28) | |
| Winter | 19.9 | 5.8 | 1.03 (0.91, 1.15) | |
| Carpet | ||||
| No | 17.7 | 1.8 | 1 | |
| Yes | 23.8 | 8.2 | 1.20 (1.05, 1.37) | |