Table 3.
Summary results for each study group after 20 weeks of intervention (ITT data).
| Characteristics | 3WS Post-pre (SD) (n = 126) |
3MS Post-pre (SD) (n = 124) |
Ref. group Post-pre (SD) (n = 101) |
Difference 3WS versus REF (95% CI) (SE) |
P | Difference 3MS versus REF (95% CI) (SE) |
P |
|---|---|---|---|---|---|---|---|
| Pain (a scale ranging from 0 to 9) | |||||||
| Neck pain (3 months) | −0.9 ± 2.1 | −0.9 ± 1.5 | −0.6 ± 2.0 | −0.4 ± 0.2 (−0.8 to 0.1) |
0.11 | −0.3 ± 0.2 (−0.7 to 0.1) |
0.15 |
| Neck pain (7 days) | −0.7 ± 2.1 | −0.6 ± 1.5 | −0.2 ± 2.0 | −0.4 ± 0.2 (−0.9 to 0.03) |
0.07 | −0.5 ± 0.2 (−0.9 to −0.1) |
0.02* |
| Right shoulder pain (3 months) | −0.5 ± 1.9 | −0.5 ± 2.0 | −0.2 ± 1.9 | −0.1 ± 0.2 (−0.6 to 0.3) |
0.50 | −0.3 ± 0.2 (−0.8 to 0.1) |
0.13 |
| Right shoulder pain (7 days) | −0.3 ± 1.8 | −0.4 ± 1.8 | −0.2 ± 1.9 | 0.0 ± 0.2 (−0.4 to 0.4) |
0.97 | −0.2 ± 0.2 (−0.6 to 0.3) |
0.43 |
| Left shoulder pain (3 months) | −0.4 ± 1.5 | −0.5 ± 1.5 | −0.3 ± 1.8 | 0.0 ± 0.2 (−0.4 to 0.4) |
0.99 | −0.2 ± 0.2 (−0.5 to 0.2) |
0.46 |
| Left shoulder pain (7 days) | −0.8 ± 1.6 | −0.3 ± 1.4 | −0.4 ± 1.8 | 0.3 ± 0.2 (−0.1 to 0.7) |
0.19 | 0.1 ± 0.2 (−0.3 to 0.4) |
0.77 |
| Headache (pain scale, 0–10) | −0.4 ± 1.8 | −0.4 ± 1.4 | 0.7 ± 2.2 | −1.1 ± 0.2 (−1.6 to −0.6) |
0.00* | −1.1 ± 0.2 (−1.5 to −0.6) |
0.00* |
| Headache (days of last month) | −0.4 ± 3.7 | −0.7 ± 2.6 | 0.6 ± 4.4 | −1.1 ± 0.5 (−2.1 to −0.1) |
0.03* | −1.3 ± 0.5 (−2.2 to −0.5) |
0.00* |
Changes in post-pre values are absolute and not adjusted. Differences are estimated as the difference between means, with 95% confidence intervals, based on the 1-factor analyses of covariance with the level at baseline and sex as a covariate. *Significant change.