Comparison between participants positive and negative for workplace exacerbation of asthma based on serial peak expiratory flow
| WEA based on serial PEF | ||
|---|---|---|
| Positive | Negative | |
| PEF, peak expiratory flow; WEA, workplace exacerbation of asthma. | ||
| n | 13 | 82 |
| Female (%) | 85 | 68 |
| Mean age (years) | 33.7 | 34.3 |
| Ever smoked (%) | 31 | 34 |
| With atopy (%) | 54 | 71 |