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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)
  1. ITO: indium tin oxide.