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Table 2 Data collection schedule

From: Assessment of chiropractic treatment for active duty, U.S. military personnel with low back pain: study protocol for a randomized controlled trial

 

Assessment time point

Outcome measure

Baseline (+/− 3 days)

Week 2 (+/− 3 days)

Week 4 (+/− 3 days)

Week 6 (+/− 7 days)

Month 3 (+/− 7 days)

Demographics

X

    

Numeric Rating Scale for pain intensity

X

X

X

X

X

Roland-Morris Disability Questionnaire

X

X

X

X

X

Back Pain Functional Scale

X

X

X

X

X

Bothersomeness of symptoms

X

X

X

X

X

PROMIS-29

X

  

X

X

Global improvement measure

 

X

X

X

 

Healthcare utilization and medication use

X

X

X

X

X

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