From: Drillers and mill operators in an open-pit gold mine are at risk for impaired lung function
Exposures (occupations) | FEV1 < 80 % | FEV1/FVC < 70 % | FEV1/FVC < 70 % and FEV1 < 80 % |
---|---|---|---|
Drillers | 1.46 (0.69–3.11) | 1.53 (1.11–2.09) | 1.53 (0.60–3.92) |
Drivers | 1.24 (0.80–1.91) | 1.18 (0.88–1.58) | 1.03 (0.58–1.84) |
Mechanics | 0.63 (0.33–1.19) | 0.95 (0.65–1.37) | 0.80 (0.37–1.71) |
Cleaners | 0.14 (0.02–1.05) | 0.51 (0.24–1.09) | 0.26 (0.03–1.93) |
Office staff and engineers | 1.30 (0.61–2.75) | 0.90 (0.51–1.59) | 1.68 (0.71–4.02) |
Food handlers | 1.18 (0.41–3.40) | 1.11 (0.53–2.33) | 0.99 (0.23–4.25) |
Mill operators including grinders | 0.73 (0.22–2.36) | 2.01 (1.13–3.57) | 1.29 (0.39–4.24) |
Security staff | 0.60 (0.22–1.68) | 0.84 (0.47–1.51) | 0.28 (0.03–1.80) |