Ever exposed | Exposure duration <15 years | Exposure duration ≥ 15 years | |
---|---|---|---|
Exposure to dust, fumes or gases (n) | 268 (54%) | 136 (27%) | 132 (27%) |
FEV1 (mL)‡ | -33 (-117 to 51) | +3 (-95 to 100) | -80 (-186 to 26) |
FEV1 to FVC ratio (%)‡ | -1.1 (-2.3 to 0.1) | -0.6 (-2.1 to 0.8) | -1.7 (-3.3 to -0.2) |
MMEF (mL/s)‡ | -57 (-237 to 124) | +13 (-192 to 218) | -163 (-397 to 71) |