Baseline characteristics of participants in control and intervention group
| Control (N=111)* | Intervention (N=110)* | |
| Age in years (mean, SD) | 61±12 | 61±12 |
| Female (N, %) | 78 (70) | 84 (76) |
| Living situation (N, %) | ||
| Alone | 22 (20) | 20 (18) |
| With partner and/or children | 88 (80) | 90 (82) |
| Educational level (N, %) | ||
| Low | 11 (10) | 20 (18) |
| Middle | 52 (47) | 45 (41) |
| High | 46 (41) | 45 (41) |
| Frequency of playing games (N, %) | ||
| Never to once a month | 31 (28) | 31 (28) |
| Once to multiple times a week | 41 (37) | 36 (33) |
| Once to multiple times a day | 38 (34) | 43 (39) |
| Disease duration in years (median, IQR) | 10 (4–17) | 9 (4 – 15) |
| RF/ACPA positive (N, %) | 77 (69) | 70 (64) |
| Current DMARD use (N, %) | ||
| 1 | 52 (47) | 62 (56) |
| 2 | 50 (45) | 39 (35) |
| ≥3 | 9 (8) | 9 (8) |
| Non-adherent according to CQR (N, %) | 38 (35) | 43 (39) |
| BMQ-Specific NCD score (mean, SD) | 5.8±4.3 | 5.0±5.1 |
*Some categories do not add up to 100% due to missing data.
BMQ, Beliefs about Medication Questionnaire; CQR, Compliance Questionnaire on Rheumatology; DMARD, disease-modifying antirheumatic drugs; IQR, inter quartile range; N, number; RF/ACPA, rheumatoid factor/anti-citrullinated protein antibody.