FEV1 (Liters) | Mean Value | 95% CI | P Value |
Proppant Workers | 3.6 | 3.38 - 3.79 | <0.0001 |
NHANES III | 2.9 | 2.87 - 2.93 | |
FVC (Liters) | Mean Value | 95% CI | P Value |
Proppant Workers | 4.6 | 4.30 - 4.80 | <0.0001 |
NHANES III | 4.0 | 3.93 - 3.99 | |
Race: White | |||
FEV1 (Liters) | Mean Value | 95% CI | P Value |
Proppant Workers | 3.8 | 3.66 - 3.98 | <0.0001 |
NHANES III | 3.4 | 3.36 - 3.41 | |
FVC (Liters) | Mean Value | 95% CI | P Value |
Proppant Workers | 4.8 | 4.67 - 5.02 | <0.0001 |
NHANES III | 4.4 | 4.41 - 4.48 | |
Race: Black | |||
FEV1 (Liters) | Mean Value | 95% CI | P Value |
Proppant Workers | 3.3 | 3.12 - 3.20 | 0.1232 |
NHANES III | 3.2 | 3.10 - 3.58 | |
FVC (Liters) | Mean Value | 95% CI | P Value |
Proppant Workers | 4.0 | 3.66 - 4.40 | 0.9489 |
NHANES III | 4.0 | 3.97 - 4.06 |