Table 2.
Outcomes at 2, 6 and 12 months compared with baseline
| Educational approach | Physical Training | ||||||
|---|---|---|---|---|---|---|---|
| n | Median (IQR) |
Mean (SD) |
n | Median (IQR) |
Mean (SD) |
p = | |
| Primary outcomes | |||||||
| Pain (0(no pain) - 10) | |||||||
| Baseline | 103 | 6.1 (5-7) | 6.1 (1.4) | 99 | 6.5 (5-7) | 6.3 (1.5) | |
| 2-mths follow-up | 94 | 4.8 (3-6) | 4.6 (2.1) | 91 | 4.7 (4-6) | 4.9 (2.2) | .7 |
| 6-mths follow-up | 87 | 4.3 (3-6) | 4.5 (2.3) | 89 | 5.0 (3-6) | 4.8 (2.1) | .7 |
| 12-mths follow-up | 86 | 4.8 (2-6) | 4.5 (2.4) | 78 | 5.1 (3-6) | 4.8 (2.2) | .8 |
| Time effect | p <.001 | p <.001 | |||||
| Activity limitation (Rating Scale) (0(best) -30) | |||||||
| Baseline | 104 | 14 (10-17) | 14.0 (4.7) | 98 | 14 (11-17) | 14.1 (4.5) | |
| 2-mths follow-up | 94 | 11 (6-16) | 11.6 (6.2) | 91 | 13 (9-16) | 13.0 (5.8) | .09 |
| 6-mths follow-up | 87 | 11 (6-16) | 11.2 (6.4) | 87 | 13 (9-17) | 12.7 (5.4) | .12 |
| 12-mths follow-up | 86 | 11 (6-16) | 11.0 (6.8) | 78 | 13 (9-17) | 13.0 (5.9) | .09 |
| Time effect | p <.001 | p = .17 | |||||
| Secondary outcomes | |||||||
| FABQ (0-24) | |||||||
| Baseline | 104 | 13 (9-18) | 13.0 (6.1) | 102 | 13 (9-18) | 13.0 (6.3) | |
| 2-mths follow-up | 86 | 10 (6-14) | 10.3 (5.9) | 88 | 14 (9-18) | 13.3 (6.4) | <.001 |
| 6-mths follow-up | 84 | 11 (6-15) | 10.8 (6.2) | 86 | 13 (9-18) | 13.3 (6.0) | .007 |
| 12-mths follow-up | 84 | 8.5 (6-15) | 10.5 (6.1) | 76 | 13 (8-18) | 13.1 (6.5) | .01 |
| Time effect | p = .05 | p = .43 | |||||
| BBQ (0-54) | |||||||
| Baseline | 105 | 27 (18-35) | 26.6 (10.9) | 102 | 28 (20-33) | 27.1 (10.2) | |
| 2-mths follow-up | 85 | 23 (14-32) | 23.1 (10.6) | 88 | 28 (17-36) | 25.7 (13.0) | .17 |
| 6-mths follow-up | 83 | 24 (14-33) | 24.3 (12.7) | 86 | 28 (22-38) | 28.5 (11.4) | .01 |
| 12-mths follow-up | 86 | 23 (14-34) | 23.9 (12.2) | 77 | 28 (20-35) | 27.2 (11.8) | .14 |
| Time effect | p = .16 | p = .13 | |||||
| Misc. phys. activity (min/week) | |||||||
| Baseline | 102 | 330 (180-570) | 483 (525) | 102 | 325 (199-548) | 410 (307) | |
| 2-mths follow-up | 94 | 415 (180-600) | 580 (1114) | 91 | 360 (180-720) | 561 (611) | .90 |
| 6-mths follow-up | 85 | 330 (220-585) | 546 (851) | 87 | 500 (200-700) | 545 (492) | .42 |
| 12-mths follow-up | 86 | 310 (180-600) | 419 (366) | 78 | 390 (240-611) | 480 (395) | .19 |
| Time effect | p = .67 | p = .08 | |||||
| Fraction | Fraction | ||||||
| Work ability (Yes/No) | |||||||
| Baseline (% with Yes) | 73/104 | 75/102 | |||||
| 2-mths follow-up | 67/93 | 71/91 | .35 | ||||
| 6-mths follow-up | 64/88 | 68/89 | .57 | ||||
| 12-mths follow-up | 63/86 | 60/78 | .59 | ||||
| Time effect | p = .97 | p = .90 | |||||
The p-values to the right refer to differences in change over time between groups, and the p-values below each variable refer to change over time within each treatment group. Medians are presented due to some skewed distributions.