Table 1—

Demographic and exposure characteristics, and pulmonary function test results in subjects with previous experience in sandblasting

Subjects n157
Age yrs23±6 (15–44)
Age at first exposure to sandblasting yrs17±6 (10–38)
Total exposure duration months36±25 (1–120)
Duration since the last exposure months43±28 (10–144)
Latency period# months79±35 (12–192)
Number of places of work3±2 (1–12)
Number of sandblasting devices at the workplace4±1 (2–12)
Smokers or ex-smokers106 (67.5)
Smoking in smokers pack-yrs7.3±4.4 (1–23)
Sleeping at the workplace129 (82.2)
Working as a foreman126 (80.3)
Seniority as a foreman months33±28 (0–117)
FEV1 L3.92±0.87
FEV1 % pred97.4±22.5
FVC L4.53±0.93
FVC % pred95.6±21.9
FEV1/FVC %86.8±9.6
  • Data are presented as mean±sd (range), n (%) or mean±sd, unless otherwise stated. FEV1: forced expiratory volume in one second; % pred: % predicted; FVC: forced vital capacity. #: time elapsed since the beginning of exposure.