Table 1.
Characteristics of the study population (n=103)
| n | % | Mean (SD) | |
|---|---|---|---|
|
| |||
| Gender: male | 103 | 100 | |
| Age (years) | 54.4 (7.2) | ||
| < 50 | 23 | 22.3 | |
| 50–59 | 62 | 60.2 | |
| > 60 | 18 | 17.5 | |
| Tobacco consumption | |||
| Non-smokers | 32 | 31.7 | |
| Ex-smokers | 41 | 40.6 | |
| Smokers | 28 | 27.7 | |
| Latency1 (years) | 36.8 (7.0) | ||
| < 20 | 1 | 1.0 | |
| 20–30 | 10 | 9.7 | |
| > 30 | 92 | 89.3 | |
| Duration of exposure2 (years) | 22.3 (8.1) | ||
| < 20 | 31 | 30.1 | |
| 20–30 | 50 | 48.5 | |
| >30 | 22 | 21.4 | |
| Brake repair of trucks | 43 | 41.8 | |
| Use of compressed air | 86 | 83.5 | |
1
Time interval between start of asbestos exposure and HRCT
2
Duration of asbestos exposure before 1997