Table 1.
Patient characteristics
| Characteristic | OA n = 209 |
FM n = 29 |
P | Total N = 238 |
|---|---|---|---|---|
| Age, years | 62.6 ± 10.1 | 42.4 ± 14.4 | <0.001 | 60.1 ± 12.6 |
| Sex, female | 169 (80.9 %) | 25 (86.2 %) | N.S. | 194 (81.5 %) |
| Disease duration, years | 10.9 ± 10.9 | 10.2 ± 10.1 | N.S. | 10.8 ± 10.8 |
| Ethnicity, Dutch | 198 (94.7 %) | 27 (93.1 %) | N.S. | 225 (94.5 %) |
| Self-management training, yes | 13 (6.2 %) | 9 (31.0 %) | <0.001 | 22 (9.2 %) |
| Marital status | ||||
| Not married/not living together | 4 (1.9 %) | 6 (20.7 %) | <0.001 | 10 (4.2 %) |
| Married/living together | 158 (75.6 %) | 20 (69.0 %) | 178 (74.8 %) | |
| Widowed/divorced | 45 (21.6 %) | 3 (10.3 %) | 48 (20.2 %) | |
| Education | ||||
| Low | 127 (60.7 %) | 11 (37.9 %) | 0.070 | 138 (58.0 %) |
| Medium | 44 (21.1 %) | 14 (48.3 %) | 58 (24.4 %) | |
| High | 35 (16.8 %) | 4 (13.8 %) | 39 (16.4 %) | |
| Occupational status | ||||
| Full-time employed | 25 (12.0 %) | 2 (6.9 %) | <0.001 | 27 (11.3 %) |
| Part-time employed | 49 (23.4 %) | 12 (41.4 %) | 61 (25.6 %) | |
| Homemaker | 51 (24.4 %) | 5 (17.2 %) | 56 (23.5 %) | |
| School | 1 (0.5 %) | 4 (13.8 %) | 5 (2.1 %) | |
| Unemployed/disabled/retired | 80 (38.3 %) | 6 (20.6 %) | 86 (36.1 %) | |
| EC-17 (range 0–100) | 68.9 ± 16.3 | 62.3 ± 14.1 | 0.040 | 68.1 ± 16.1 |
| PEPPI-5 (range 5–25) | 18.7 ± 4.3 | 16.8 ± 3.1 | 0.005 | 18.5 ± 4.2 |
| GSES (range 12–60) | 42.8 ± 6.3 | 42.9 ± 7.5 | N.S. | 42.8 ± 6.5 |
| AIMS2 Support (range 0–10) | 3.7 ± 2.5 | 4.7 ± 2.4 | 0.039 | 3.8 ± 2.5 |
| SF-36 PCS (range 0–100) | 36.0 ± 9.2 | 35.7 ± 6.4 | N.S. | 35.9 ± 8.9 |
| SF-36 MCS (range 0–100) | 49.0 ± 10.6 | 43.7 ± 12.0 | 0.015 | 48.4 ± 10.9 |
| NRS Pain (range 0–10) | 5.7 ± 2.0 | 7.1 ± 1.2 | <0.001 | 5.8 ± 2.0 |
Values are mean ± SD or number (%). OA osteoarthritis, FM fibromyalgia, PEPPI-5 perceived efficacy in patient–physician interactions scale, EC-17 effective consumer scale, GSES general self-efficacy scale, AIMS2 arthritis impact measurement scales 2, SF-36 medical outcomes study 36-item short form, PCS physical component summary, MCS mental component summary, NRS numerical rating scale