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Table 3 Proportion and number of subjects according to the degree of discrepancy between residential value index, census income, and self-reported household income (N = 676)

From: Comparison of indicators of material circumstances in the context of an epidemiological study

Comparison Number of category differences  
  Underestimation of Self-reported household income Perfect concordance Overestimation of Self-reported household income Total
  ≤-3 -2 -1 0 1 2 ≥3  
Residential value index vs. Self-reported household income         
   % 3.1 8.9 19.1 38.3 18.5 8.3 3.9 100
   (n) (21) (60) (129) (259) (125) (56) (26) (676)
Census income vs. Self-reported household income         
   % 5.3 9.6 20.6 29.6 19.1 10.9 4.8 100
   (n) (36) (65) (139) (200) (129) (74) (33) (676)