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

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Published online 2016 Feb 9. doi: 10.1186/s13063-016-1193-8

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Table 2

Data collection schedule

	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