Table 3.
Characteristics of the study population (N = 50).
| Characteristic | N (%)a |
| Age (years), mean ± SD | 49.30 ± 9.93 |
| Sex | |
| Male | 44 (88.0) |
| Female | 6 (12.0) |
| Race | |
| Non-Hispanic White | 47 (94.0) |
| Hispanic or Latino | 2 (4.0) |
| Alaskan Indian or Native American | 1 (2.0) |
| Hearing impairment | |
| Yes | 7 (14.0) |
| No | 43 (86.0) |
| Salary versus hourly | |
| Salaried | 3 (6.0) |
| Hourly | 47 (94.0) |
| Smoking history | |
| Never | 17 (47.22) |
| Former | 19 (52.78) |
| Current | − (0.0) |
| Plant location | |
| Location 1 | 10 (21.3) |
| Location 2 | 37 (78.7) |
| Tenure (years), mean ± SD | 17.86 ± 11.32 |
| Number of years employed (tenure) | |
| <5 | 7 (14.0) |
| 5–10 | 8 (16.0) |
| 10–15 | 6 (12.0) |
| 15–20 | 9 (18.0) |
| 20–25 | 4 (8.0) |
| >25 | 16 (32.0) |
| Stopped downloading before 12/31/10 | |
| Yes | 21 (42.0) |
| No | 29 (58.0) |
a
Numbers may not sum to 50 due to missing data, and percentages may not sum to 100% due to rounding.