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

Table 2 Model adjustment measures. Brazilian capitals, 2010–2012

Fit Indexes	Model 1 (Outcome: Fully equipped office)	Model 2 (Outcome: Sufficient instruments)	Model 3 (Outcome: Sufficient supplies)	Model 4 (Outcome: All previous outcomes)
Fit Indexes	Values	Values	Values	Values
N° of free parameters	29	26	26	33
Degrees of freedom	17	11	11	23
X^2a	13.76	9.22	10.64	24.32
P-value of X²	0.684	0.322	0.474	0.387
RMSEA^b	< 0.001	< 0.001	< 0.001	0.040
90% CI^c of RMSEA	0.000–0.139	0.000–0.175	0.000–0.197	0.000–0.167
CFI^d	0.999	0.999	0.998	0.987
TLI^e	0.999	0.999	0.997	0.982
WRMR^f	0.273	0.237	0.264	0.453

^aChi-Square Test (reference: lowest value)
^bRoot Mean Square Error of Approximation (reference: below 0.05)
^cConfidence Interval at 90% (reference: below 0.08)
^dComparative Fit Index (reference: below 0.9)
^dTucker Lewis Index (reference: above 0.9)
^fWeighted Root Mean Square Residual (reference: above 1.0)

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