| Demographic Information | Proppant Workers | NHANES III | |
| Total Population | 100 | 6662 | |
| Smoking History (Yes) | 31 | 4165 | |
| Smoking History (No) | 69 | 2499 | |
| Median Height (≥69 inches) | 80 | 3733 | |
| Median Height (<69 inches) | 20 | 2929 | |
| Median Age (≥39 years) | 46 | 2634 | |
| Median Age (<39 years) | 54 | 4028 | |
| Race (White) | 85 | 4562 | |
| Race (Black) | 15 | 1876 | |