Comparing Once- versus Twice-Weekly Yoga Classes for Chronic Low Back Pain in Predominantly Low Income Minorities: A Randomized Dosing Trial
Figure 3
Mean pain and RMDQ scores over time, by randomly assigned group. Results are unadjusted; adjustment for potential confounders (race, education, cLBP duration, satisfaction with previous back care, history of yoga use, and baseline outcome measurements) resulted in essentially similar findings. Bars indicate 95% confidence intervals. RMDQ: modified Roland Morris Disability Questionnaire (0–23 with higher scores reflecting worse back pain-related function). (a) Mean low back pain intensity in the previous week on an 11-point numerical rating scale. (b) Mean RMDQ scores.