Table 2.
Mean costs per participant in the e-Exercise group and usual physiotherapy (PT) group and mean differences between both groups during 12 months follow-up
| Cost category | e-Exercise (N = 109); mean costs in € (SEM) | Usual PT (N = 99); mean costs in € (SEM) | Unadjusted mean cost difference in € (95% CI) | Adjusted mean cost difference in € (95% CI) |
|---|---|---|---|---|
| Intervention a | 241 (37) | 451 (55) | − 209 (− 294 to − 128) | − 202 (− 286 to − 120) |
| Primary healthcare | 438 (63) | 536 (84) | −98 (− 306 to 80) | − 107 (− 340 to 82) |
| Secondary healthcare | 3143 (711) | 3819 (885) | − 677 (− 2699 to 1138) | − 332 (− 2134 to 1444) |
| Medication a | 106 (24) | 299 (90) | − 192 (− 436 to − 79) | − 151 (− 340 to −52) |
| Sport | 159 (26) | 292 (73) | − 133 (− 242 to −51) | − 126 (− 237 to − 43) |
| Informal care | 327 (109) | 327 (80) | 1 (− 173 to 156) | 46 (− 117 to 205) |
| Absenteeism | 927 (434) | 743 (304) | 184 (−64 to 1092) | 368 (− 459 to 1365) |
| Presenteeism | 237 (74) | 429 (121) | − 191 (− 533 to 12) | −120 (− 411 to 64) |
| Unpaid productivity | 768 (137) | 823 (162) | −55 (− 397 to 256) | 97 (− 219 to 413) |
| Healthcare costsb | 3928 (744) | 5105 (937) | − 1177 (− 3340 to 763) | − 792 (− 2720 to 1100) |
| Total costs | 6348 (1007) | 7718 (1292) | − 1371 (− 4512 to 1240) | − 529 (− 3315 to 2057) |
aSignificant difference between e-Exercise and usual PT
bHealthcare costs = intervention costs + primary healthcare costs + secondary healthcare costs + medication costs
Adjusted for sex, age, BMI, level of education, type of OA, duration of OA, physical functioning at baseline, pain at baseline and utility score at baseline