Table 4.
Secondary outcomes at 12 and 26-weeks.
| Primary Treatment (Baseline to 5wk trts) | Booster Treatment (6 to 12 wk trts) | |||||||
|---|---|---|---|---|---|---|---|---|
| Secondary Outcome | 30min 2/wk |
30min 3/wk |
60min 1/wk |
60min 2/wk |
60min 3/wk |
No Booster | 60 min 1/wk |
|
|
|
|
|||||||
| >7 days in past 4 wks that normal activities were cut by half a day or more due to NP, %* | 12 weeks | 0.0 | 13.3 | 11.8 | 5.6 | 16.2 | 9.3 | 9.5 |
| 26 weeks | 0.0 | 13.8 | 9.1 | 5.6 | 17.1 | 9.4 | 8.3 | |
| 1+ days in the past 4 wks that NP kept you in bed/lying down for all or most of the day, %* | 12 weeks | 6.1 | 13.3 | 11.8 | 0.0 | 5.4 | 5.8 | 8.3 |
| 26 weeks | 5.6 | 13.8 | 12.1 | 0.0 | 5.7 | 5.9 | 8.3 | |
| 1+ days in the past 4 wks that NP kept you out of work or school, %* | 12 weeks | 3.0 | 3.3 | 8.9 | 5.6 | 5.4 | 5.8 | 4.8 |
| 26 weeks | 2.8 | 3.5 | 6.1 | 5.6 | 5.7 | 5.9 | 3.6 | |
| Change in Perceived Stress Scale (PSS) from baseline, mean diff (95% CI)** | 12 weeks | Ref | −1.3 (−4.1, 1.4) | −1.1 (−3.4, 1.3) | −1.1 (−3.6, 1.3) | −3.5 (−5.9, −1.0) | Ref | −0.9 (−2.3, 0.6) |
| 26 weeks | Ref | −1.9 (−4.5, 0.8) | −1.9 (−4.5, 0.6) | −1.2 (−3.6, 1.2) | −0.8 (−3.4, 1.8) | Ref | −0.5 (−2.0, 1.1) | |
| NP is much better/completely gone compared to study start, RR (95% CI)*** | 12 weeks | 1.0 | 0.8 (0.3, 2.3) | 0.9 (0.3, 2.3) | 1.2 (0.5, 2.8) | 2.4 (1.1, 4.9) | 1.0 | 2.3 (1.3, 3.9) |
| 26 weeks | 1.0 | 1.3 (0.5, 3.2) | 1.3 (0.5, 3.2) | 1.0 (0.4, 2.6) | 1.2 (0.5, 3.0) | 1.0 | 1.9 (1.0, 3.4) | |
| Very satisfied with care for NP, RR (95% CI)*** | 12 weeks | 1.0 | 1.1 (0.7, 1.7) | 1.0 (0.6, 1.6) | 1.4 (0.9, 2.1) | 1.1 (0.7, 1.7) | 1.0 | 1.6 (1.2, 2.2) |
| Not asked at 26 weeks | ||||||||
NP=Neck pain
*
Unadjusted percents due to rare outcome and regression models had fitting problems
**
Linear regression model adjusted for baseline PSS, NDI, and NPI.
***
Modified Poisson regression model adjusted for baseline NDI and NPI.