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Table 3 Percentage of cases in perfect agreement between individual-level and DA/CT income groupings

From: Agreement between aggregate and individual-level measures of income and education: a comparison across three patient groups

  Asthma
n(%)
Diabetes
n(%)
Rheumatoid Arthritis
n(%)
p-value*
DA 141 (47) 128(55) 109 (49) 0.17
CT 135 (45) 137 (62) 80 (49) 0.0005
p-value* 0.62 0.14 0.99  
  1. *Chi-square test