Skip to main content
. Author manuscript; available in PMC: 2013 Jul 19.
Published in final edited form as: Arthritis Care Res (Hoboken). 2011 Feb;63(2):240–246. doi: 10.1002/acr.20345

Table 3.

Socioeconomic status characteristics by clinic site (subgroup analysis)*

Characteristic Tertiary care clinic (n = 141) Public hospital clinic (n = 103) P
Age, mean ± SD years 57 ± 15 53 ± 13 0.01
Women 113 (80) 93 (90) 0.03
Race/ethnicity 0.0001
 Latino/Hispanic 23 (29) 55 (53)
 African American 10 (7) 10 (10)
 Asian/Pacific Islander 12 (9) 37 (36)
 White 87 (62) 1 (1)
 Other 9 (6) 0 (0)
Education 0.0001
 Less than high school graduate 14 (10) 53 (52)
 High school graduate/some college 53 (38) 40 (40)
 College graduate 71 (50) 8 (8)
Household income 0.0001
 <$20,000 22 (17) 53 (66)
 $20,000–$80,000 46 (35) 26 (33)
 ≥$80,000 63 (48) 1 (1)
Immigrant 34 (24) 85 (85) 0.0001
Insurance status 0.0001
 No insurance 1 (1) 15 (15)
 Principal source of insurance 0.0001
  Employer based 51 (36) 3 (4)
  Medicare 67 (48) 27 (32)
  Medicaid 15 (11) 35 (41)
  Other 7 (5) 20 (24)
*

Values are the number (percentage) unless otherwise indicated.

Calculated using linear regression, Pearson’s chi-square tests, or Fisher’s exact test, as appropriate.