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Yoga is effective for mild to moderate chronic low back pain (cLBP), but its comparative effectiveness with physical therapy (PT) is unknown. Moreover, little is known about yoga’s effectiveness in underserved patients with more severe functional disability and pain.
Objective:To determine whether yoga is noninferior to PT for cLBP.
Design:12-week, single-blind, 3-group randomized noninferiority trial and subsequent 40-week maintenance phase. (ClinicalTrials.gov: NCT01343927)
Setting:Academic safety-net hospital and 7 affiliated community health centers.
Participants:320 predominantly low-income, racially diverse adults with nonspecific cLBP.
Intervention:Participants received 12 weekly yoga classes, 15 PT visits, or an educational book and newsletters. The maintenance phase compared yoga drop-in classes versus home practice and PT booster sessions versus home practice.
Measurements:Primary outcomes were back-related function, measured by the Roland Morris Disability Questionnaire (RMDQ), and pain, measured by an 11-point scale, at 12 weeks. Prespecified noninferiority margins were 1.5 (RMDQ) and 1.0…
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