Table 3.
Mean (SD) values of lung function results of the quarry workers
| Parameters | Exposure | Control | P-value | Smoking | P-value | Indoor cooking | P-value | ||
|---|---|---|---|---|---|---|---|---|---|
| Yes | No | Yes | No | ||||||
| FEV1 (L) | 2.77 (0.73) | 3.14 (0.78) | 0.02 | 2.91 (0.77) | 3.39 (0.69) | 0.01 | 3.06 (0.75) | 2.99 (0.81) | 0.67 |
| FVC (L) | 3.48 (0.84) | 3.89 (0.92) | 0.03 | 3.61 (0.91) | 4.26 (0.74) | 0.01 | 3.75 (0.86) | 3.76 (0.96) | 0.93 |
| FEV1/FVC | 0.79 (0.09) | 0.81 (0.07) | 0.53 | 0.81 (0.08) | 0.79 (0.07) | 0.46 | 0.81 (0.07) | 0.79 (0.08) | 0.26 |
| PEFR (L/s) | 6.66 (2.48) | 6.99 (2.29) | 0.49 | 6.56 (2.43) | 7.98 (1.67) | 0.01 | 6.99 (2.35) | 6.78 (2.36) | 0.63 |
FEV1 = Forced expiratory volume in one seconds; FVC = forced vital capacity; PEFR = peak expiratory flow rate