Table 1 Characteristics of study subjects
From: Subclinical interstitial lung damage in workers exposed to indium compounds
Characteristics | Number of subjects (%) | |
|---|---|---|
n | 34 | |
Age (yr): Mean (range) | 34.7 (20–59) | |
Sex | Male | 29 (85.3) |
Female | 5 (14.7) | |
Smoking | Currant smoker | 15 (44.1) |
Ex-smoker | 16 (47.1) | |
Never smoker | 3 (8.8) | |
Exposure duration (mo): mean (range) | 43.4 (3–120) | |
Workplace | ITO production | 18 (52.9) |
Recycling | 16 (47.1) | |