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Table 3 Symmetric matrix with the agreement grades estimates () for each cell, with its respective 95% confidence intervals (95% CI).§‡

From: The use of income information of census enumeration area as a proxy for the household income in a household survey

 

CEA

Income quintiles

1st

2nd

3rd

4th

5th

Household

     

1st

2.1

(1.9-2.4)

3.3

(3.0-3.7)

5.6

(5.0-6.3)

53.7

(47.0-61.3)

307.9

(263.6-359.7)

2nd

 

2.8

(2. 5-3.0)

2.5

(2.3-2.8)

13.0

(11.6-14.4)

40.0

(35.4-45.1)

3rd

  

1.2

(1.1-1.4)

3.4

(3.1-3.7)

5.7

(5.1-6.2)

4th

   

5.1

(4.7-5.5)

4.5

(4.2-4.9)

5th

    

2.2

(2.0-2.3)

  1. All are significantly different from 1.
  2. § In the diagonal, represents the Odds Ratio of a household to be categorized in the same quintile by both household and CEA income.
  3. Out of the diagonal, represents the Odds Ratio of a household to be categorized in the i thquintile of household income rather than in a different (j th) quintile of household income, considering that the household, according to the CEA income, belongs to the i thquintile rather than the j thquintile.
  4. Quintiles of household income defined as the household's monthly per capita income.
  5. CEA = Census Enumeration Area (quintiles of CEA's income defined as the head-of-household's mean nominal monthly income of the CEA).