Table 1.
Participant characteristics and baseline data (HOOS/KOOS) (n = 74)
| Age (years), mean (SD) | 56.9 (5.2) |
| Gender (female), n (%) | 64 (86.5) |
| Married or living with partner, n (%) | 56 (75.7) |
| Most affected joint, n (%) | |
| Hip | 17 (22.7) |
| Knee | 58 (77.3) |
| Education (postsecondary), n (%) | 49 (66.2) |
| Employment (percentage of full time – 40 h.) n (%) | |
| 0–25 % | 2 (2.7) |
| 26–50 % | 5 (6.8) |
| 51–75 % | 8 (10.8) |
| 76–100 % | 58 (78.4) |
| Unemployed | 1 (1.4) |
| Physically demanding work, n (%) | |
| No | 52 (70.3) |
| Yes, several times a week | 7 (9.5) |
| Yes, daily | 14 (18.9) |
| Missing | 1 (1.4) |
| Sedentary work, sitting > 50 %, n (%) | 39 (52.7) |
| Missing | 2 (2.7) |
| Current self-assessed PA-level compared to PA-level before OA, n (%) | |
| More physically active | 8 (10.8) |
| Equally physically active | 41 (55.4) |
| Less physically active | 24 (32.4) |
| Missing | 1 (1.4) |
| Regular usage of a WAT during the last three months before the intervention, n (%) | |
| Yes | 29 (39.2) |
| No | 41 (55.4) |
| Missing | 4 (5.4) |
| HOOS (n = 17), mean (SD) | |
| Pain | 46.8 (18.2) |
| Symptoms | 58,3 (22) |
| ADL | 63.1 (22.7) |
| Sport/Rec | 39.2 (22.8) |
| QoL | 40.6 (18.4) |
| KOOS (n = 58), mean (SD) | |
| Pain | 60.6 (19.7) |
| Symptoms | 52.2 (20.4) |
| ADL | 72 (19.5) |
| Sport/Rec | 27.5 (25.5) |
| QoL | 43.8 (19.1) |
HOOS Hip injury and Osteoarthritis Outcome Score; KOOS Knee injury and Osteoarthritis Outcome Score; SD Standard deviation; PA Physical activity; OA Osteoarthritis; WAT Wearable activity tracker; ADL Activities of daily living; QoL Quality of life