Table 2.
Summary statistics for shoulder activity score in women
| Variable | Number | Mean ± SD |
|---|---|---|
| Overall | 825 | 7 ± 4 |
| Income | ||
| < USD 30,000 | 215 | 6.4 ± 4.2 |
| USD 30,000–49,999 | 163 | 6.8 ± 4.5 |
| USD 50,000–74,999 | 142 | 7.5 ± 4.4 |
| ≥ USD 75,000 | 305 | 8.2 ± 4.3 |
| Employment | ||
| Heavy | 7 | 12.0 ± 5.8 |
| Moderate | 141 | 8.8 ± 4.2 |
| Sedentary | 242 | 7.0 ± 4.1 |
| Student | 64 | 8.3 ± 4.9 |
| Retired | 218 | 6.1 ± 4.0 |
| Not working | 153 | 7.6 ± 4.7 |
| Race | ||
| White | 684 | 7.4 ± 4.3 |
| Black | 80 | 7.0 ± 5.0 |
| Other | 54 | 6.5 ± 4.7 |
| Household size | ||
| 1 | 135 | 6.3 ± 4.0 |
| 2 | 296 | 6.9 ± 4.2 |
| 3+ | 365 | 8.0 ± 4.6 |