Table 4.
Work activities of survey; scored importance, frequency bother and calculated modified Weiss score (ordered in mean mW)
| Work activities (N = 17) | Importance | Frequency | Bother* | mW score | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Mean | SD | N | Mean | SD | N | Mean | SD | N | Mean | SD | |
| Crouching | 31 | 7.4 | 2.9 | 31 | 3.6 | 1.4 | 30 | 7.9 | 2.8 | 30 | 6.9 | 2.3 |
| Kneeling | 30 | 7.4 | 3.2 | 30 | 3.7 | 1.3 | 29 | 7.3 | 2.9 | 29 | 6.8 | 2.4 |
| Climbing the stairs | 31 | 8.9 | 1.8 | 31 | 4.6 | 0.6 | 31 | 6.9 | 3.0 | 31 | 6.6 | 2.9 |
| Walking, on rough terrain | 30 | 7.9 | 3.0 | 30 | 3.6 | 1.4 | 30 | 7.1 | 3.2 | 30 | 6.5 | 2.5 |
| Standing | 31 | 9.3 | 1.4 | 31 | 4.5 | 0.6 | 31 | 6.9 | 2.9 | 31 | 6.5 | 3.1 |
| Walking to work | 26 | 7.8 | 2.6 | 26 | 2.9 | 2.0 | 25 | 5.4 | 3.4 | 25 | 5.9 | 1.9 |
| Heavy work activities | 30 | 7.2 | 2.9 | 30 | 3.2 | 1.3 | 30 | 6.9 | 3.1 | 30 | 5.9 | 2.0 |
| Pushing/pulling | 28 | 6.6 | 3.1 | 28 | 3.1 | 1.4 | 27 | 6.0 | 3.3 | 27 | 5.8 | 1.9 |
| Sitting | 31 | 9.4 | 1.2 | 31 | 4.7 | 0.5 | 31 | 6.4 | 3.0 | 30 | 5.7 | 3.3 |
| Lifting heavy weights | 29 | 6.6 | 2.8 | 29 | 3.0 | 1.2 | 28 | 6.6 | 2.8 | 29 | 5.6 | 1.9 |
| Climbing | 30 | 6.2 | 3.3 | 30 | 2.4 | 1.9 | 28 | 6.5 | 3.0 | 28 | 5.5 | 1.6 |
| Light work activities | 31 | 8.9 | 2.2 | 31 | 4.0 | 1.0 | 31 | 5.1 | 3.0 | 31 | 5.3 | 2.8 |
| Cycling to work | 25 | 8.6 | 2.8 | 25 | 3.0 | 2.0 | 24 | 4.3 | 3.7 | 24 | 5.1 | 2.8 |
| Working with hands below knee height | 25 | 7.5 | 3.0 | 25 | 3.0 | 1.8 | 23 | 4.4 | 2.8 | 23 | 5.0 | 1.8 |
| Walking, on level ground | 30 | 9.5 | 1.2 | 31 | 4.6 | 0.8 | 31 | 5.6 | 2.6 | 30 | 4.9 | 2.8 |
| Operating foot pedals | 27 | 8.5 | 2.8 | 27 | 4.0 | 1.3 | 27 | 4.8 | 3.1 | 27 | 4.8 | 2.9 |
| Driving | 31 | 8.9 | 2.6 | 31 | 4.1 | 1.4 | 31 | 4.6 | 2.9 | 31 | 4.4 | 2.8 |
| Total | 29 | 8.0 | 2.5 | 29 | 3.6 | 1.3 | 29 | 6.0 | 3.0 | 27 | 5.7 | 2.5 |
N number of response, SD standard deviation, mW score modified Weiss score (from 0 to 10, with highest score representing the highest motivation for surgery)
*‘Bother’ refers to the severity of knee complaints