| Baseline | After 4 months | After 8 months | ||||||
| Control (95% CI) | Intervention (95% CI) | Control (95% CI) | Intervention (95% CI) | Control (95% CI) | Intervention (95% CI) | LMM p value | ||
| Physical disability (n = 183) | 7.1 (4.5 to 9.7) | 8.2 (5.5 to 10.9) | 6.8 (4.2 to 9.4) | 5.0 (2.3 to 7.7) | 8.5 (5.9 to 11.1) | 6.4 (3.7 to 9.1) | 0.02* | |
| Physical disability among workers with symptoms at baseline (n = 83) | 11.6 (6.1 to 17.0) | 17.7 (11.4 to 24.0) | 12.0 (6.6 to 17.4) | 11.1 (4.9 to 17.4) | 13.6 (8.2 to 19.0) | 13.4 (7.2 to 20.7) | 0.01* | |
| Process evaluation | ||||||||
| Duration of mouse use per workday (%) | 19.9 (17.6 to 22.2) | 18.6 (16.4 to 20.7) | 22.5 (20.2 to 24.8) | 16.7 (14.5 to 18.8) | 20.6 (18.3 to 22.9) | 18.5 (16.3 to 20.6) | 0.03* | |
| Frequency of breaks during mouse use per hour | 33.1 (28.0 to 38.1) | 33.5 (28.6 to 38.4) | 33.7 (28.6 to 38.8) | 37.9 (33.0 to 42.8) | 36.5 (31.4 to 41.6) | 42.2 (37.3 to 47.2) | 0.27 | |
*Significant difference between the groups over time (p<0.05).
LMM, linear mixed-model analysis.