Mean improvement for both recruitment groups and both intervention groups on primary outcome measures after 12, 26 and 52 weeks.a
| Differences between groups | ||||||
|---|---|---|---|---|---|---|
| GP Mean (sd) | Advertisement Mean (sd) | Mean | 95% CI | P-valueb | Effect size | |
| Main improvement on primary outcome measures for graded exercise therapy | ||||||
| Main complaints (0–100) | n = 41 | n = 46 | ||||
| 12 weeks | 35.8 (28.3) | 30.0 (23.0) | 5.8 | −5.1 to 16.8 | 0.294 | 0.23 |
| 26 weeks | 43.6 (27.9) | 33.7 (25.0) | 9.9 | −1.4 to 21.1 | 0.085 | 0.37 |
| 52 weeks | 49.1 (28.1) | 33.9 (23.3) | 15.3 | 4.3 to 26.2 | 0.007 | 0.60 |
| SDQ (0–100) | ||||||
| 12 weeks | 22.2 (26.1) | 12.4 (25.3) | 9.9 | −1.1 to 20.8 | 0.077 | 0.39 |
| 26 weeks | 27.2 (28.1) | 18.5 (29.5) | 8.7 | −3.6 to 21.0 | 0.162 | 0.30 |
| 52 weeks | 27.1 (26.2) | 18.3 (25.9) | 8.8 | −2.3 to 19.9 | 0.120 | 0.34 |
| Mean improvement on primary outcome measures for usual care | ||||||
| Main complaints (0-100) | n = 42 | n = 47 | ||||
| 12 weeks | 28.9 (22.7) | 22.1 (25.9) | 6.8 | −3.5 to 17.1 | 0.192 | 0.28 |
| 26 weeks | 34.7 (28.0) | 28.2 (28.0) | 6.5 | −5.3 to 18.4 | 0.274 | 0.23 |
| 52 weeks | 37.8 (28.1) | 26.5 (25.9) | 11.4 | −0.3 to 22.7 | 0.051 | 0.42 |
| SDQ (0–100) | ||||||
| 12 weeks | 19.6 (22.0) | 11.6 (20.7) | 8.0 | −1.0 to 17.0 | 0.080 | 0.37 |
| 26 weeks | 28.3 (29.8) | 13.1 (24.0) | 15.2 | 3.9 to 26.6 | 0.009 | 0.57 |
| 52 weeks | 28.7 (32.5) | 13.0 (28.2) | 15.7 | 2.9 to 28.5 | 0.017 | 0.52 |