Table 1 Selected demographic and clinical characteristics of enrolled patients.
| Variable | Frequency |
|---|---|
| Referral source (%) | |
| Physicians | 45% |
| Asbestos attorneys | 24% |
| Self‐referred | 27% |
| NYS Smoker's Quit Line | 4% |
| Gender, male, n (%) | 127 (70.6%) |
| Mean (SD) age (years) | 63.1 (9.05) |
| Age range (years) | 37–83 |
| Race, white, n (%) | 175 (97.2%) |
| Smoking status, n (%) | |
| Current | 61 (34.2%) |
| Former | 116 (65.2%) |
| Never | 1 (0.6%) |
| Mean person years of smoking | 58.0 |
| Asbestos exposed, n (%) | 70 (39.3%) |
| COPD diagnosed, n (%) | 117 (65.0%) |
| Prior cancer | 50 (29%) |
| Pulmonary symptoms at surveillance, n (%) | |
| None | 16 (9%) |
| Dyspnoea only | 48 (27%) |
| Cough only | 31 (17.4%) |
| Dyspnoea and cough | 65 (63.5%) |
| Others | 18 (10.1%) |
COPD, chronic obstructive pulmonary disease.