Table 3.
Utilization rates of interventions, mean intervention costs2 per person and the difference in mean costs.
| Type of utilization | Intervention (n = 320) |
Usual care (n = 318) |
p-value | Intervention - Usual care Difference in costs Mean (95% CI) |
|---|---|---|---|---|
| RSI QuickScan3 | ||||
| - utilization rate (% yes) | 100 | 100 | ||
| - Mean costs | 15.00 | 15.00 | . | 0 |
| Occupational health physician | ||||
| - utilization rate (% yes) | 7.8 | 6.0 | 0.36 | |
| - Mean costs (SD) | 5.90 (21.00) | 4.40 (17.90) | 1.50 (-1.53; 4.54) | |
| Education on the Prevention of RSI for Employees |
||||
| - utilization rate (% yes) | 26.3 | 0.3 | 0.00 | |
| - Mean costs (SD) | 7.88 (13.22) | 0.09 (1.68) | 7.81 (6.31; 9.25) | |
| RSI and Stress | ||||
| - utilization rate (% yes) | 24.1 | 1.9 | 0.00 | |
| - Mean costs (SD) | 14.34 (32.99) | 1.13 (10.04) | 13.21 (9.42; 17.01) | |
| Eyesight check | ||||
| - utilization rate (% yes) | 18.8 | 6.9 | 0.00 | |
| - Mean costs (SD) | 3.75 (7.82) | 1.38 (5.08) | 2.37 (1.34; 3.39) | |
| Individual Workstation Check | ||||
| - utilization rate (% yes) | 2.2 | 0.9 | 0.21 | |
| - Mean costs (SD) | 11.34 (60.22) | 6.23 (44.97) | 5.12 (-3.15; 13.84) | |
| Task analyses | ||||
| - utilization rate (% yes) | 1.3 | 0.0 | 0.05 | |
| - Mean costs (SD) | 0.75 (6.68) | 0.00 (0.00) | 0.75 (0.02; 1.49) |
Utilization rates (%) of interventions, mean intervention costs2 per person and the difference in mean costs (€, 2006 values1) between the intervention and usual care groups during the 12-months follow-up period. 1 € = US $ 1.27; 2 prices according to the professional organisation (Occupational Health Service - Arbo Unie); 3 Since there is no variation in intervention costs within the groups, SDs and 95% confidence intervals can not be calculated.