Table 1. Study Cohort Characteristics by Age Group.
| Variable | No. (%) | P Value | |
|---|---|---|---|
| Younger, Aged 60-69 y | Older, Aged ≥70 y | ||
| No. of patients | 89 | 77 | |
| Sex | |||
| Female | 78 (87.6) | 66 (85.7) | .82 |
| Male | 11 (12.4) | 11 (14.3) | |
| Race | |||
| White | 78 (87.6) | 65 (84.4) | .49 |
| Black | 4 (4.5) | 5 (6.5) | |
| Asian | 3 (3.4) | 5 (6.5) | |
| Other | 4 (4.5) | 1 (1.3) | |
| Missing | 0 | 1 (1.3) | |
| Educational level | |||
| <High school | 23 (25.8) | 30 (39.0) | .35 |
| <Bachelor’s degree | 7 (7.9) | 4 (5.2) | |
| Bachelor’s degree | 18 (20.2) | 17 (22.1) | |
| ≥Master’s degree | 37 (41.6) | 26 (33.8) | |
| Missing | 4 (4.5) | 0 | |
| Income, $ | |||
| <10 000 | 2 (2.2) | 6 (7.8) | .05 |
| 10 000-49 999 | 36 (40.5) | 38 (49.4) | |
| 50 000-69 999 | 18 (20.2) | 9 (11.7) | |
| ≥70 000 | 26 (29.2) | 13 (16.9) | |
| Missing | 7 (7.9) | 11 (14.3) | |
| Smoking status | |||
| Current | 10 (11.2) | 0 | .003 |
| Former | 29 (32.6) | 35 (45.5) | |
| Never | 50 (56.2) | 42 (54.5) | |
| Preinjury Rapid Assessment of Physical Activity | |||
| Active | 45 (50.6) | 29 (37.7) | .18 |
| Underactive | 36 (40.4) | 42 (54.5) | |
| Sedentary | 7 (7.9) | 6 (7.8) | |
| Missing | 1 (1.1) | 0 | |
| Employment status at 12-mo | |||
| Full-time | 16 (18.0) | 1 (1.3) | <.001 |
| Part-time | 10 (11.2) | 6 (7.8) | |
| Retired | 52 (58.4) | 68 (88.3) | |
| Disabled or unemployed | 11 (12.3) | 2 (2.6) | |
| Dominant hand injured? | |||
| Yes | 44 (49.4) | 32 (41.6) | .35 |
| No | 45 (50.6) | 45 (58.4) | |