Table 4.
The association between exposure to wood dust and prevalence of respiratory symptoms before and after controlling for confounding variables
| Parameter | OR crude (95% CI) | p-value a | OR adjusted (95% CI) | p-value b |
|---|---|---|---|---|
| Wheezing | 5.65 (1.71, 18.67) | 0.004 | 5.89 (1.68, 20.66) | 0.006 |
| Chest tightness | 4.53 (1.17, 17.54) | 0.029 | 4.38 (1.07, 17.86) | 0.04 |
| Coughs | 11 (1.33, 90.95) | 0.026 | 9.76 (1.14, 83.99) | 0.04 |
| Chronic coughs | 1.88 (0.51, 6.96) | 0.340 | 1.64 (0.41, 6.50) | 0.48 |
| Sputum | 5.68 (1.49, 21.65) | 0.011 | 5.83 (1.69, 23.27) | 0.01 |
| Shortness of breath | 3.58 (1.25, 10.29) | 0.018 | 3.47 (1.15, 10.45) | 0.03 |
| Asthma | 4.29 (0.46, 40.01) | 0.201 | 1.27 (0.09, 18.62) | 0.86 |
OR Odds ratio, 95% CI 95% Confidence interval
aχ2-test
bBinary logistic regression analysis