Table 1 Baseline characteristics of participants in the digital intervention
Included | Excluded | ||
|---|---|---|---|
3-month follow-up | 12-month follow-up | ||
N | 14,610 | 2682 | 2030 |
Female, n (%) | 11,029 (75.5) | 2044 (76.2) | 1532 (75.5) |
Age, mean (SD) | 64.1 (9.1) | 64.3 (8.6) | 65.6 (10.3) |
Enrolment year, n (%) | |||
2019 | 925 (6.3) | 348 (13.0) | 382 (18.8) |
2020 | 3666 (25.1) | 1850 (69.0) | 532 (26.2) |
2021 | 10,019 (68.6) | 484 (18.0) | 1116 (55.0) |
Place of residence, n (%) | |||
Stockholm/Gothenburg/Malmö | 2765 (18.9) | 534 (19.9) | 387 (19.1) |
Other locations | 11,593 (79.4) | 2139 (79.8) | 1342 (66.1) |
Unknown/missing | 252 (1.7) | 9 (0.3) | 301 (14.8) |
Education, n (%) | |||
Less than high school | 1181 (8.1) | 183 (6.8) | 183 (9.0) |
High school | 5244 (35.9) | 872 (32.5) | 719 (35.4) |
College/university | 8185 (56.0) | 1627 (60.7) | 1128 (55.6) |
Body mass index, mean (SD) | 27.2 (4.7) | 27.0 (4.8) | 27.2 (4.8) |
Physical activity, n (%) | |||
Less than 30 min | 1017 (6.7) | 150 (5.6) | 185 (9.1) |
30–60 min | 2288 (15.7) | 397 (14.8) | 382 (18.8) |
61–90 min | 2182 (14.9) | 372 (13.9) | 288 (14.2) |
91–150 min | 2601 (17.8) | 466 (17.4) | 353 (17.4) |
151–300 min | 3358 (23.0) | 649 (24.2) | 427 (21.0) |
More than 300 min | 3164 (21.7) | 648 (24.2) | 395 (19.5) |
Pain in other joints, n (%) | 11,215 (76.8) | 2079 (77.5) | 1575 (77.6) |
Diabetes, n (%) | 819 (5.6) | 157 (5.9) | 174 (8.6) |
Lung diseases, n (%) | 1556 (10.7) | 289 (10.8) | 230 (11.3) |
Balance troubles, n (%) | 483 (3.3) | 102 (3.8) | 117 (5.8) |
Rheumatoid arthritis, n (%) | 662 (4.5) | 126 (4.7) | 135 (6.7) |
Cardiovascular diseases, n (%) | 1078 (7.4) | 184 (6.9) | 216 (10.6) |
Overall health (NRS, 0–10), mean (SD) | 6.6 (1.8) | 6.6 (1.9) | 6.4 (2.0) |
Activity impairment (NRS, 0–10), mean (SD) | 3.9 (2.4) | 3.9 (2.4) | 4.2 (2.5) |
EQ-5D-5L anxiety/depression, n (%) | |||
No problem | 7192 (49.2) | 1276 (47.6) | 956 (47.1) |
Slight problems | 5634 (38.6) | 1072 (40.0) | 759 (37.4) |
Moderate problems | 1451 (9.9) | 272 (10.1) | 241 (11.9) |
Severe problems | 333 (2.3) | 62 (2.3) | 74 (3.7) |
Index joint, n (%) | |||
Knee | 8758 (60.0) | 1662 (62.0) | 1080 (53.2) |
Hip | 5852 (40.0) | 1020 (38.0) | 950 (46.8) |
Pain (NRS, 0–10), mean (SD) | 5.1 (1.9) | 5.0 (1.9) | 5.2 (2.5) |
Physical function, mean (SD) | 12.8 (4.3) | 11.6 (4.0) | 12.0 (4.4) |
Walking difficulties, n (%) | 9585 (65.6) | 1764 (65.8) | 1392 (68.6) |
Fear of moving, n (%) | 2205 (15.1) | 408 (15.2) | 295 (14.5) |
Wish for surgery, n (%) | 2296 (15.7) | 386 (14.4) | 413 (20.3) |
Patient Acceptable Symptom State, n (%) | 2459 (16.8) | 412 (15.4) | 346 (17.0) |