Table 5.
Odds ratios and 95% confidence intervals from logistic regression models for the presence of health outcomes using endotoxin exposure levels above and below the first quartile for bedroom floor and family room floor endotoxin and the second quartile for the bedroom bedding endotoxin.
| Bedroom Floor Endotoxin |
Bedroom Bedding Endotoxin |
Family Room Floor Endotoxin |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disease outcomes | Endotoxin category, EU/mg |
aModel 1 |
bModel 2 |
Endotoxin category, EU/mg |
aModel 1 |
bModel 2 |
Endotoxin category, EU/mg |
aModel 1 |
bModel 2 |
||||||
| Odds ratio | 95% CI | Odds ratio | 95% CI | Odds ratio | 95% CI | Odds ratio | 95% CI | Odds ratio | 95% CI | Odds ratio | 95% CI | ||||
| Diagnosed hay fever | ≤16.6 | 1.00 | 1.00 | ≤19.6 | 1.00 | 1.00 | ≤33.9 | 1.00 | 1.00 | ||||||
| >16.6 | 1.31 | 0.82, 2.08 | 1.50 | 0.81, 2.76 | >19.6 | 0.88 | 0.59, 1.31 | 1.02 | 0.59, 1.75 | >33.9 | 1.29 | 0.68, 2.45 | 1.16 | 0.61, 2.22 | |
| Diagnosed asthma | ≤16.6 | 1.00 | 1.00 | ≤19.6 | 1.00 | 1.00 | ≤33.9 | 1.00 | 1.00 | ||||||
| >16.6 | 1.55 | 0.91, 2.64 | 1.57 | 0.76, 3.22 | >19.6 | 1.66 | 1.00, 2.76 | 1.88 | 0.90, 3.93 | >33.9 | 1.69 | 0.94, 3.02 | 1.98 | 0.99, 3.95 | |
| Asthma symptoms past year | ≤16.6 | 1.00 | 1.00 | ≤19.6 | 1.00 | 1.00 | ≤33.9 | 1.00 | 1.00 | ||||||
| >16.6 | 2.82 | 1.47, 5.41 | 2.78 | 1.21, 6.38 | >19.6 | 1.60 | 0.91, 2.81 | 1.46 | 0.63, 3.38 | >33.9 | 1.90 | 0.84, 4.28 | 2.12 | 0.86, 5.18 | |
| Current asthma medication use | ≤16.6 | 1.00 | 1.00 | ≤19.6 | 1.00 | 1.00 | ≤33.9 | 1.00 | 1.00 | ||||||
| >16.6 | 2.42 | 1.20, 4.88 | 2.28 | 0.91, 5.71 | >19.6 | 1.72 | 1.00, 2.95 | 1.83 | 0.79, 4.23 | >33.9 | 1.91 | 0.86, 4.25 | 2.11 | 0.85, 5.21 | |
| Wheezing, ever | ≤16.6 | 1.00 | 1.00 | ≤19.6 | 1.00 | 1.00 | ≤33.9 | 1.00 | 1.00 | ||||||
| >16.6 | 2.13 | 1.32, 3.43 | 2.27 | 1.28, 4.00 | >19.6 | 1.80 | 1.09, 2.98 | 2.01 | 1.23, 3.30 | >33.9 | 1.20 | 0.64, 2.75 | 1.35 | 0.69, 2.66 | |
| Wheezing, past month | ≤16.6 | 1.00 | 1.00 | ≤19.6 | 1.00 | 1.00 | ≤33.9 | 1.00 | 1.00 | ||||||
| >16.6 | 1.98 | 1.27, 3.11 | 1.95 | 1.05, 3.61 | >19.6 | 2.00 | 1.33, 2.98 | 2.05 | 1.30, 3.23 | >33.9 | 1.19 | 0.54, 2.62 | 1.09 | 0.46, 2.55 | |
| Wheezing, past year | ≤16.6 | 1.00 | 1.00 | ≤19.6 | 1.00 | 1.00 | ≤33.9 | 1.00 | 1.00 | ||||||
| >16.6 | 2.23 | 1.34, 3.73 | 1.70 | 0.95, 3.01 | >19.6 | 2.01 | 1.24, 3.27 | 2.03 | 1.20, 3.43 | >33.9 | 1.26 | 0.74, 2.14 | 0.83 | 0.44, 1.55 | |
a
No adjustments are made for Model 1.
b
Model 2 is adjusted for census region, season when sampled, frequency of indoor cigarette smoking, education, poverty, ethnicity, race, a resident child less than 6 years, log(Der p + Der f), log(Can f), log(Fel d).