OR of neck/shoulder pain and low back pain, respectively, together with 95% CI associated with the number of life events during the preceding 5 years, by different time spans
| Number of years before inclusion in the study | Number of life events | |||
|---|---|---|---|---|
| 0–1* | 2– | |||
| Case/control | OR† | Case/control | OR† (95% CI) | |
| *Reference category; 0–1 life events during the preceding five years. | ||||
| †Adjusted for age and sex. | ||||
| ‡Two or more life events the preceding 0–2 years and no life events 3–5 years before inclusion in the study compared with the reference category. | ||||
| §Two or more life events the preceding 3–5 years and no life events 0–2 years before inclusion in the study compared with the reference category. | ||||
| 0–2‡ | ||||
| Neck/shoulder | 44/296 | 1 | 80/271 | 1.8 (1.1 to 2.7) |
| Low back | 129/296 | 1 | 124/271 | 1.1 (0.8 to 1.4) |
| 3–5§ | ||||
| Neck/shoulder | 44/296 | 1 | 65/219 | 1.9 (1.2 to 2.9) |
| Low back | 129/296 | 1 | 96/219 | 1.0 (0.7 to 1.4) |