Table 2.
Means and effect sizes in the self-management and usual care/waiting list groups
| Post-test mean values (SD) | Within-group/pre- and post-test mean differences (SD) | 95% Confidence intervals of within-group mean differences | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Variables | Good Back programme n=12 | Usual care (waiting list) n=8 | Good Back programme n=12 | Usual care (waiting list) n=8 | Good Back programme n=12 | Usual care (waiting list) n=8 | Between-group mean differences | 95% Confidence intervals of between-group differences | Between-group effect sizes Hedges’ g (Glass’s Δ) |
| RMDQ | 7.0 (4.2) | 19.6 (5.6) | −9.8 (4.8) | 1.5 (3.9) | −12.8, −6.7 | −1.8, 4.8 | −12.6 | −17.2, −8.0 | −2.5 (−2.2) |
| BPS | 2.1 (1.6) | 4.6 (2.7) | −0.8 (1.3) | 0.3 (2.8) | −1.6, −0.03 | −2.1, 2.6 | −2.5 | −4.5, −0.5 | −1.2 (−1.0) |
| BIPQ | 13.5 (9.5) | 45.6 (15.1) | −21.6 (15.2) | 3.8 (7.5) | −31.3, −11.9 | −2.5, 10.0 | −32.1 | −43.6, −20.6 | −2.6 (−2.1) |
| FABQ | 20.3 (15.9) | 73.5 (28.5) | −41.7 (27.6) | 7.8 (35.8) | −59.2, −24.1 | −22.2, 37.7 | −53.2 | −74.0, −32.4 | −2.3 (−1.9) |
| 11-BS | 2.8 (1.3) | 7.0 (2.5) | −3.8 (2.1) | 1.5 (3.1) | −5.2, −2.5 | −1.1, 4.1 | −4.2 | −5.9, −2.4 | −2.2 (−1.7) |
| Number of Pain tablets | 3.2 (5.0) | 28.5 (37.8) | −14.6 (12.1) | −2.8 (20.3) | −22.3, −6.9 | −19.7, 14.2 | −25.3 | −48.3, −2.4 | −1.0 (−0.7) |
| SBP (mmHg) | 118.3 (11.6) | 131.3 (30.0) | −12.5 (23.7) | 2.0 (35.6) | −29.5, 4.5 | −42.2, 46.2 | −13.0 | −32.9, 6.9 | −0.6 (−0.4) |
| DBP (mmHg) | 70.8 (13.3) | 75.6 (15.0) | −5.8 (14.4) | 0.0 (10.0) | −16.1, 4.5 | −12.4, 12.4 | −4.8 | −18.2, 8.6 | −0.3 (−0.3) |
SBP= systolic blood pressure; DBP= diastolic blood pressure