Table 3. Associations of risk factors at baseline with persistence of neck/shoulder pain at follow-up.
| Risk factor | Number withpain at baseline | Number (%) withpain at follow-up | Partially adjusteda | Fully adjustedb | ||
| PRR | (95%CI) | PRR | (95%CI) | |||
| Occupation | ||||||
| Nurses | 68 | 41 (60%) | 1 | 1 | ||
| Office workers | 70 | 48 (69%) | 1.2 | (0.9–1.5) | 1.2 | (0.9–1.5) |
| Occupational activities | ||||||
| Work with hands above shoulderheight >1 hour | 69 | 44 (64%) | 1.0 | (0.8–1.3) | 1.0 | (0.8–1.2) |
| Lifting weights of ≥25 kg by hand | 18 | 11 (61%) | 1.0 | (0.7–1.5) | 1.1 | (0.8–1.7) |
| Psychosocial aspects of work | ||||||
| Incentives | 44 | 23 (52%) | 0.8 | (0.6–1.0) | 0.7 | (0.5–1.0) |
| Time pressure | 114 | 76 (67%) | 1.3 | (0.9–1.8) | 1.3 | (0.9–2.0) |
| Lack of choice | 31 | 19 (61%) | 0.9 | (0.7–1.3) | 0.9 | (0.7–1.3) |
| Lack of support | 46 | 28 (61%) | 0.9 | (0.7–1.2) | 0.9 | (0.7–1.1) |
| Job dissatisfaction | 43 | 27 (63%) | 0.9 | (0.7–1.2) | 0.9 | (0.7–1.1) |
| Perceived job insecurity | 91 | 61 (67%) | 1.2 | (0.9–1.5) | 1.2 | (0.9–1.6) |
| Mental health | ||||||
| Good | 24 | 15 (63%) | 1 | 1 | ||
| Intermediate | 44 | 23 (52%) | 0.8 | (0.5–1.2) | 0.9 | (0.6–1.3) |
| Poor | 70 | 51 (73%) | 1.2 | (0.8–1.6) | 1.1 | (0.8–1.6) |
| Number of distressing somatic symptoms in past week | ||||||
| 0 | 44 | 24 (55%) | 1 | 1 | ||
| 1 | 39 | 23 (59%) | 1.1 | (0.8–1.6) | 1.1 | (0.7–1.6) |
| ≥2 | 55 | 42 (76%) | 1.4 | (1.1–1.9) | 1.3 | (0.9–1.8) |
Analysis was restricted to the 138 subjects who reported neck/shoulder pain in the past month at baseline.
a
Adjusted for sex, age and occupation.
b
Adjusted for all of the risk factors in the table.