Table 2.
Unadjusted (raw) prevalence of symptoms in the last 7 days
| Body region by gender* | Risk category 1 (Reference) Employees in jobs with low MHO, < 10 points KIM-MHO |
Risk category 2 Employees in jobs with MHO, 10 – 24 points KIM-MHO |
Risk category 3 Employees in jobs with MHO, 25 – 49 points KIM-MHO |
Risk category 4 Employees in jobs with MHO, ≥ 50 points KIM-MHO |
All employees |
|---|---|---|---|---|---|
| Women | N = 306 | N = 75 | N = 59 | N = 73 | N = 513 |
| neck/ cervical spine | 90/304 (29.6%) | 17/75 (22.7%) | 27/59 (45.8%) | 40/73 (54.8%) | 174/511 (34.1%) |
| shoulder/ upper arm | 58/304 (19.1%) | 14/75 (18.7%) | 23/59 (39.0%) | 32/73 (43.8%) | 127/511 (24.9%) |
| elbow/ forearm | 13/304 (4.3%) | 2/75 (2.7%) | 11/59 (18.6%) | 22/73 (30.1%) | 48/511 (9.4%) |
| hand/ wrist | 26/304 (8.6%) | 4/75 (5.3%) | 17/59 (28.8%) | 34/73 (46.6%) | 81/511 (15.9%) |
| lower back/lumbar spine | 42/303 (13.9%) | 8/75 (10.7%) | 22/59 (37.3%) | 24/73 (32.9%) | 96/510 (18.8%) |
| Men | N = 498 | N = 173 | N = 23 | N = 239 | N = 933 |
| neck/ cervical spine | 86/498 (17.3%) | 22/173 (12.7%) | 4/23 (17.4%) | 48/236 (20.3%) | 160/930 (17.2%) |
| shoulder/ upper arm | 70/498 (14.1%) | 17/173 (9.8%) | 7/23 (30.4%) | 52/236 (22.0%) | 146/930 (15.7%) |
| elbow/ forearm | 28/498 (5.6%) | 8/173 (4.6%) | 3/23 (13.0%) | 40/232 (17.2%) | 79/926 (8.5%) |
| hand/ wrist | 28/498 (5.6%) | 11/173 (6.4%) | 7/23 (30.4%) | 72/234 (30.8%) | 118/928 (12.7%) |
| lower back/lumbar spine | 34/498 (6.8%) | 19/171 (11.1%) | 8/23 (34.8%) | 85/238 (35.7%) | 146/930 (15.7%) |
*Unadjusted (raw) prevalence of symptoms in the last 7 days for different body regions by exposure to manual handling operations (MHO) according to KIM-MHO risk categories. Number of cases with symptoms/number of all available subjects (percentage of cases to all subjects)