Observation | N | Mean | Median | SD | 95% CI | |
---|---|---|---|---|---|---|
Baseline | Overall VAS score | 479 | 42.9 | 45.0 | 27.1 | 41.7 to 44.1 |
 | Severity of headaches during the past week | 476 | 31.5 | 25.5 | 28.3 | 30.2 to 32.8 |
 | Severity of back pain during the past week | 476 | 32.8 | 30.0 | 28.6 | 31.5 to 34.1 |
 | Severity of shoulder pain during the past week | 478 | 29.7 | 20.0 | 29.5 | 28.4 to 31.0 |
 | Interference of overall pain(s) with ability to do daily activities during the past week | 477 | 45.2 | 47.0 | 30.7 | 43.8 to 46.6 |
 | Having pain(s) while awake during the past week | 479 | 41.1 | 40.0 | 29.0 | 39.8 to 42.4 |
3 months | Change in severity of overall pain(s) during the past week | 420 | -12.9 | -10.0 | 23.1 | -15.1 to -10.7 |
 | Change in severity of headaches during the past week | 417 | -9.5 | -7.0 | 24.1 | -11.8 to -7.1 |
 | Change in severity of back pain during the past week | 416 | -5.3 | -2.0 | 23.8 | -7.6 to -3.0 |
 | Change in severity of shoulder pain during the past week | 420 | -4.9 | 0.0 | 25.0 | -7.3 to -2.5 |
 | Change in interference of overall pain(s) with ability to do daily activities during the past week | 419 | -17.4 | -12.0 | 27.5 | -20-0 to -14.8 |
 | Change in having pain(s), while awake during the past week | 419 | -13.7 | -10.0 | 23.2 | -15.9 to -11.5 |
6 months | Change in severity of overall pain(s) during the past week | 421 | -20.1 | -19.0 | 27.1 | -22.7 to -17.5 |
 | Change in severity of headaches during the past week | 421 | -14.5 | -10.0 | 28.0 | -17.2 to -11.9 |
 | Change in severity of back pain during the past week | 419 | -10.3 | -5.0 | 27.3 | -12.9 to -7.7 |
 | Change in severity of shoulder pain during the past week | 420 | -10.1 | -5.0 | 27.1 | -12.7 to -7.5 |
 | Change in interference of overall pain(s) with ability to do daily activities during the past week | 420 | -24.4 | -21.0 | 30.1 | -27.3 to -21.6 |
 | Change in having pain(s), while awake during the past week | 422 | -20.2 | -19.0 | 28.0 | -22.8 to -17.5 |