Pulmonary function pattern | Control | Kitchen workers (North India) | Kitchen workers (South India) |
---|---|---|---|
OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Obstruction (FEV1/FEV6) | 0.91 (0.39 – 2.08) | 1.46 (0.58 – 3.66) | 1.59 (0.98 – 2.57) |
Restriction | 1.39 (0.79 – 2.48) | 1.57 (1.06 – 2.32) | 1.63 (1.11 – 2.40) |