Risk of incident neck/shoulder pain according to age, height, and body mass index (BMI)
| Risk factor | Number of nurses* | Cases of neck/shoulder pain Number (%) | Hazard ratio (95% CI) |
|---|---|---|---|
| *Data were missing for up to 17 subjects. | |||
| Age at baseline (years) | |||
| <30 | 105 | 31 (30) | 1 |
| 30–39 | 221 | 74 (33) | 1.1 (0.7 to 1.6) |
| 40–49 | 153 | 55 (36) | 1.2 (0.8 to 1.8) |
| ⩾50 | 103 | 42 (41) | 1.4 (0.9 to 2.3) |
| ptrend=0.1 | |||
| Height (cm) | |||
| <160 | 139 | 50 (36) | 1 |
| 160–164.9 | 157 | 56 (36) | 1.0 (0.7 to 1.4) |
| 165–169.9 | 164 | 53 (32) | 0.8 (0.6 to 1.2) |
| ⩾170 | 124 | 43 (35) | 0.9 (0.6 to 1.3) |
| BMI (kg/m2) | |||
| <25 | 352 | 119 (34) | 1 |
| 25–29.9 | 152 | 54 (36) | 1.1 (0.8 to 1.5) |
| ⩾30 | 66 | 26 (39) | 1.3 (0.9 to 2.1) |
| ptrend=0.2 | |||