Table 2.
The comparison of RULA score categories across three study groups
| RULA score categories | SSC (n = 30) | CC1 (n = 30) | CC2 (n = 30) | P values (intergroup comparisons) | ||
|---|---|---|---|---|---|---|
| SSC v/s CC1 | SSC v/s CC2 | CC1 v/s CC2 | ||||
| Right | ||||||
| Acceptable conditions (RULA score 1 OR 2) | 8 (26.7) | 0 | 0 | 0.001 (highly significant) | 0.001 (highly significant) | 0.640 (non significant) |
| Change may be required (RULA score 3 OR 4) | 22 (73.3) | 0 | 0 | |||
| Change required soon (RULA score 5 OR 6) | 0 | 2 (6.7) | 3 (10.0) | |||
| Change required immediately (RULA score 7 OR 8) | 0 | 28 (93.3) | 27 (90.0) | |||
| Left | ||||||
| Acceptable conditions (RULA score 1 OR 2) | 11 (36.7) | 0 | 0 | 0.001 (highly significant) | 0.001 (highly significant) | 0.047 (significant) |
| Change may be required (RULA score 3 OR 4) | 19 (63.3) | 0 | 0 | |||
| Change required soon (RULA score 5 OR 6) | 0 | 13 (43.3) | 5 (16.7) | |||
| Change required immediately (RULA score 7 OR 8) | 0 | 17 (56.7) | 25 (83.3) | |||