Prevalence of Dupuytren's contracture and its relation to demographic and occupational activities
| Characteristic | Dupuytren's contracture present | |||
|---|---|---|---|---|
| N | N | (%) | PR (95% CI) | |
| Age (years): | ||||
| 16–44 | 3066 | 30 | 0.98 | 1 |
| 45–54 | 1273 | 19 | 1.49 | 1.53 (0.86 to 2.70) |
| 55–65 | 630 | 23 | 3.65 | 3.73 (2.18 to 6.38) |
| Smoking: | ||||
| Never | 2380 | 28 | 1.18 | 1 |
| Ever | 2589 | 44 | 1.70 | 1.22 (0.76 to 1.97) |
| Social class: | ||||
| Non-manual (I,II, IIINM) | 2161 | 23 | 1.06 | 1 |
| Manual (IIIM, IV, V) | 2303 | 44 | 1.91 | 1.76 (1.06 to 2.90) |
| Armed forces | 505 | 5 | 0.99 | 1.36 (0.52 to 3.59) |
| Lifting weights*: | ||||
| No | 2508 | 30 | 1.20 | 1 |
| >20 lbs | 2461 | 42 | 1.71 | 1.48 (0.94 to 2.35) |
| >56 lbs | 1627 | 31 | 1.91 | 1.64 (1.04 to 2.60) |
| Digging/shovelling*: | ||||
| No | 4333 | 57 | 1.32 | 1 |
| Yes | 636 | 15 | 2.36 | 1.87 (1.07 to 3.28) |
| Use of keyboard (>4 h)*: | ||||
| No | 3847 | 60 | 1.56 | 1 |
| Yes | 1122 | 12 | 1.07 | 0.79 (0.42 to 1.46) |
Each risk factor was assessed in a separate model; all models were adjusted for age (in three bands).
*In an average working day.