Demographics and health-related characteristics
| Total n=3515 | % | |
|---|---|---|
| Gender | ||
| Male | 1860 | 53 |
| Female | 1654 | 47 |
| Age (years) | ||
| <30 years of age | 1089 | 31 |
| ≥30 and <40 years of age | 836 | 24 |
| ≥40 and <50 years of age | 933 | 26 |
| ≥50 years of age | 656 | 19 |
| Ethnicity | ||
| Caucasian | 1901 | 60 |
| Hispanic | 524 | 16 |
| African–American | 499 | 16 |
| Asian | 160 | 5 |
| Other | 89 | 3 |
| Education | ||
| Some high school or less | 572 | 16 |
| High school graduate or above | 2914 | 84 |
| Right hand dominant | 3205 | 91 |
| Body mass index | ||
| Body mass index (<30 kg/m2: normal or overweight) | 2324 | 66 |
| Body mass index (≥30 kg/m2: obese) | 1176 | 34 |
| General Health | ||
| Very good or excellent | 891 | 43 |
| Good | 897 | 43 |
| Fair or poor | 281 | 14 |
| Medical condition | ||
| No medical condition | 3164 | 90 |
| Current medical condition | 346 | 10 |
| Diabetes mellitus | 123 | 4 |
| Rheumatoid arthritis | 66 | 2 |
| Thyroid disease (hyper- or hypothyroid) | 159 | 5 |
| Pregnancy | 19 | 1 |
| Gout | 42 | 1 |
| Previous DUE MSD | ||
| No previous DUE MSD | 2559 | 90 |
| Previous DUE MSD | 297 | 10 |
| Smoking status | ||
| Never smoked | 1897 | 54 |
| Currently smoked | 1006 | 29 |
| Previously smoked | 596 | 17 |
| Weekly aerobic activity | ||
| >3 h/week | 1040 | 65 |
| ≤3 h/week | 548 | 35 |
| Weekly hand intensive activity (non-occupational) | ||
| >3 h/week | 727 | 34 |
| ≤3 h/week | 1399 | 66 |
DUE, Distal upper extremity; MSD, Musculoskeletal disorder