| Characteristic |  | 
      
        | Age | N (%) | 
      
        | <41 41-48
 48-55
 ≥55
 | 25 (26) 21 (22)
 26 (27)
 23 (24)
 | 
      
        | Race |  | 
      
        | Black | 52 (55) | 
      
        | White | 17 (18) | 
      
        | Other | 26 (27) | 
      
        | Hispanic | 9    (9) | 
      
        | U.S. Born | 75    (79) | 
      
        | Language spoken at home English
 Other
 | 81    (85) 14    (15)
 | 
      
        | Insurance Public
 Private
 None
 | 53    (56) 41 (44)
 1 (1)
 | 
      
        | Education Some high school
 High school graduate
 Some college
 College graduate
 Graduate school
 | 9    (9) 24    (25)
 21    (22)
 29    (31)
 12    (13)
 | 
      
        | Income ≤ $30,000
 $30-70,000
 > $70,000
 Declined
 | 57    (60) 24    (25)
 9    (9)
 5    (5)
 | 
      
        | Employed | 42    (44) | 
      
        | Pain Duration >1 year | 72    (23) | 
      
        | Any medication use in the last    week | 69    (73) | 
      
        | Sciatica | 33    (35) | 
      
        | Satisfied with previous back    pain care | 17    (19) | 
      
        | Previous yoga use | 12    (12) | 
      
        | Any previous CAM use | 51    (53) | 
    
      Note: due to rounding, not all percentages total 100%. See Saper et. al. for
    additional/prior published population description [11]