Table 1.
Baseline descriptives of the study sample (N = 2323)
| N | % | Mean | SD | |
|---|---|---|---|---|
| Female | 1279 | 55.1 | – | – |
| Age | – | – | 46.0 | 6.3 |
| Education | – | – | – | – |
| Primary/secondary school | 228 | 9.8 | – | – |
| Technical/vocational school, 1–2 years senior high school | 478 | 20.6 | – | – |
| High school diploma | 226 | 9.7 | – | – |
| College/university < 4 years | 568 | 24.5 | – | – |
| College/university > 3 years | 823 | 35.4 | – | – |
| Worked shifts previous three months | 295 | 12.7 | – | – |
| CRP | – | – | 1.5 | 2.9 |
| < 1 | 1204 | 51.8 | – | – |
| 1–2.99 | 831 | 35.8 | – | – |
| 2.99–10 | 250 | 10.8 | – | – |
| > 10 | 38 | 1.6 | – | – |
| Chronic pain | ||||
| Neck pain | ||||
| None | 1533 | 66.0 | – | – |
| Mild or severe | 790 | 34.0 | – | – |
| Arm pain | ||||
| None | 1870 | 80.5 | – | – |
| Mild or severe | 453 | 19.5 | – | – |
| Upper back pain | – | – | ||
| None | 1984 | 85.4 | – | – |
| Mild or severe | 339 | 14.6 | – | – |
| Low back pain | ||||
| None | 1757 | 75.6 | – | – |
| Mild or severe | 566 | 24.4 | – | – |
| Hip and leg pain | ||||
| None | 1819 | 78.3 | – | – |
| Mild or severe | 504 | 21.7 | – | – |
| Other pain | ||||
| None | 2231 | 96.0 | – | – |
| Mild or severe | 92 | 4.0 | – | – |
| Number of chronic pain sites | ||||
| 0 | 1117 | 48.1 | – | – |
| 1 | 440 | 18.9 | – | – |
| 2 | 329 | 14.2 | – | – |
| 3 | 216 | 9.3 | – | – |
| 4 | 138 | 5.9 | – | – |
| 5 | 52 | 2.2 | – | – |
| 6 | 31 | 1.3 | – | – |
| Any chronic pain | ||||
| No | 1117 | 48.1 | – | – |
| Yes | 1206 | 51.9 | – | – |
| Chronic widespread pain | ||||
| No | 2234 | 96.2 | – | – |
| Yes | 89 | 3.8 | – | – |