Relationships between patient demographics, percentage of correct responses, and likelihood of participating in clinical trials.
| Characteristic | Patients, n | Mean Correct Answer, % | p | Agree or Strongly Agree Would Join a Clinical Trial, n (%) | p |
|---|---|---|---|---|---|
| Age, yrs | |||||
| < 55 | 49 | 55.4 ± 13.6 | 0.14 | 23 (46.9) | 0.13 |
| ≥ 55 | 36 | 50.4 ± 15.9 | 13 (36.1) | ||
| Sex | |||||
| Men | 22 | 58.9 ± 16 | 0.14 | 9 (40.9) | 0.32 |
| Women | 63 | 51.8 ± 15 | 27 (42.8) | ||
| Diagnosis | |||||
| RA | 39 | 60.5 ± 21.3 | 0.42 (ANOVA) | 27 (69.2) | 0.072 (ANOVA) |
| Osteoporosis | 14 | 47.5 ± 13.3 | 9 (64.2) | ||
| OA | 7 | 42.3 ± 16.5 | 2 (28.5) | ||
| Others | 16 | 50.7 ± 9.1 | 6 (37.5) | ||
| Not known | 9 | 38.1 ± 26 | 3 (33.3) | ||
| Time since first visit in the rheumatology department, yrs | |||||
| < 1 | 36 | 56.2 ± 18.7 | 0.49 | 13 (36.1) | 0.22 |
| ≥ 1 | 49 | 56.3 ± 14.7 | 23 (46.9) | ||
| Education | |||||
| Trade/college/university and postgraduate | 56 | 59.4 ± 13.1 | 0.013 | 49 (87.5) | 0.001 |
| Other | 29 | 49.8 ± 20.4 | 14 (48.2) | ||
| Understand clinical trials | |||||
| Agree and strongly agree | 55 | 58.1 ± 15.8 | 24 (43.6) | ||
| Other | 30 | 54.4 ± 17.8 | 0.15 | 22 (73.2) | 0.021 |
| Would join a clinical trial | |||||
| Agree or strongly agree | 45 | 59.4 ± 15.3 | 0.032 | N/A | |
| Other | 40 | 47.7 ± 27.2 | |||
| Previous trial | |||||
| Yes | 17 | 56.4 ± 16.8 | 0.18 | 14 (82) | 0.001 |
| No | 68 | 50.2 ± 15.2 | 32 (47.5) | ||
N/A: not applicable; RA: rheumatoid arthritis; OA: osteoarthritis.