TABLE 2.
Summary of ergonomic changes in the intervention group
| Body part | Ergonomic risk factor | Before intervention, n (%) a | After intervention, n (%) a | Ergonomic changes, n (%) b |
|---|---|---|---|---|
| Neck | Head/neck bent or twisted excessively | 68 (77.3) | 20 (22.3) | 48 (20.4) |
| Shoulders/arms | Arm move frequently | 23 (26.1) | 10 (11.4) | 13 (5.5) |
| Above shoulder height | 31 (35.2) | 9 (10.2) | 22 (9.4) | |
| Back | Flexed, twisted or side bent | 46 (52.3) | 23 (26.1) | 23 (9.8) |
| Move frequently | 20 (22.7) | 10 (11.4) | 10 (4.3) | |
| Static posture most of time | 72 (81.8) | 63 (71.6) | 9 (3.8) | |
| Hands/wrists | Deviated or bent wrist position | 66 (75.0) | 31 (35.2) | 35 (14.9) |
| Similar repeated motion | 33 (37.5) | 16 (18.2) | 17 (7.2) | |
| Others | Have difficulty in keeping up with work | 41 (46.6) | 15 (17.0) | 26 (11.1) |
| Feel stressful at work | 37 (42.0) | 10 (11.4) | 27 (11.5) | |
| Experience vibration at work | 49 (55.7) | 44 (50.0) | 5 (2.1) | |
| Total changes | 235 |
a
Percentage accounted in the 88 intervention participants.
b
Percentage accounted in the total ergonomic changes.