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

Table 1 Uniform semi-association model

Parameter estimator	Parameter estimate	SE	p-value
(intercept)	9.23	0.010	< 0.001
(2^nd quintile of household income^†)	-0.45	0.013	< 0.001
(3^rd quintile of household income^†)	-0.80	0.013	< 0.001
(4^th quintile of household income^†)	-1.51	0.016	< 0.001
(5^th quintile of household income^†)	-2.24	0.021	< 0.001
(2^nd quintile of CEA's income)	-0.57	0.012	< 0.001
(3^rd quintile of CEA's income)	-1.22	0.013	< 0.001
(4^th quintile of CEA's income)	-1.91	0.018	< 0.001
(5^th quintile of CEA's income)	-3.22	0.023	< 0.001
	0.31	0.002	< 0.001
	0.38	0.026	< 0.001
	0.51	0.024	< 0.001
	0.10	0.024	< 0.001
	0.81	0.022	< 0.001
	0.39	0.017	< 0.001

^†Quintiles of household income defined as the household's monthly per capita income.
SE = Standard Error
CEA = Census Enumeration Area (quintiles of CEA's income defined as the head-of-household's mean nominal monthly income of the CEA).

ISSN: 1478-7954