Is there a fair distribution of the structure of dental services in the capitals of the Brazilian Federative Units?

Table 3 Residual variances and coefficients of determination. Brazilian capitals, 2010–2012

Factor/ Variables	Model 1^a		Model 2^b		Model 3^c		Model 4^d
Factor/ Variables	R²	Residual variance	R²	Residual variance	R²	Residual variance	R²	Residual variance
SES
% elderly	0.677	0.323	0.651	0.349	0.622	0.378	0.628	0.372
% education greater than 15 years	0.894	0.106	0.844	0.156	0.810	0.190	0.791	0.209
GDP per capita	0.349	0.651	0.420	0.580	0.434	0.566	0.512	0.488
Geopolitical region	0.592		0.610		0.645		0.620

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