Table 5.
The results of GEE on self-reported respiratory symptom (toner exposure and pulmonary function indices).
| Dependent variable | Independent variable | Category | Odds ratio | 95% confidence interval | |
|---|---|---|---|---|---|
| Lower | Upper | ||||
| Persistent cough | Toner exposure | Toner-handling group | 0.90 | 0.58 | 1.38 |
| Never-toner-handling group | 1.00 | ||||
| %VC | 1% | 1.02 | 0.99 | 1.04 | |
| %FEV1.0 | 1% | 0.98 | 0.96 | 1.01 | |
|
| |||||
| Persistent phlegm | Toner exposure | Toner-handling group | 1.43 | 0.94 | 2.18 |
| Never-toner-handling group | 1.00 | ||||
| %VC | 1% | 1.03 | 1.00 | 1.06 | |
| %FEV1.0 | 1% | 0.97 | 0.94 | 1.01 | |
|
| |||||
| Persistent cough and phlegm | Toner exposure | Toner-handling group | 1.15 | 0.60 | 2.19 |
| Never-toner-handling group | 1.00 | ||||
| %VC | 1% | 1.04* | 1.00 | 1.09 | |
| %FEV1.0 | 1% | 0.95* | 0.91 | 1.00 | |
|
| |||||
| Wheezing without asthmatic response | Toner exposure | Toner-handling group | 1.44 | 0.97 | 2.15 |
| Never-toner-handling group | 1.00 | ||||
| %VC | 1% | 1.08* | 1.05 | 1.10 | |
| %FEV1.0 | 1% | 0.92* | 0.90 | 0.94 | |
|
| |||||
| Breathlessness | Toner exposure | Toner-handling group | 1.98* | 1.39 | 2.81 |
| Never-toner-handling group | 1.00 | ||||
| %VC | 1% | 1.00 | 0.98 | 1.02 | |
| %FEV1.0 | 1% | 1.00 | 0.98 | 1.02 | |
*In case the independent variables had effects on the results.