Research Article

Comparing Once- versus Twice-Weekly Yoga Classes for Chronic Low Back Pain in Predominantly Low Income Minorities: A Randomized Dosing Trial

Figure 2

Participant flow diagram. *Other reasons for ineligibility: alcohol abuse (6), low back surgery within 3 years (4), specific LBP pathology (4), pregnancy (3), unexplained weight loss (2), drug abuse (1), being wheelchair dependent (1), and unwilling to travel (1). Participants randomized to either once-weekly or twice-weekly groups could participate in any of the 17 yoga classes.
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