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Table 3 The summary fitting indexes of a single factor model and two factors model of the HADS

From: Factor structure and reliability of Persian version of hospital anxiety and depression scale in patients with breast cancer survivors

ModelNFIRFIIFICFIPNFIPCFIRMSEAχ2/dfp-valueAIC
Single Factor Model (1-A)0.560.400.590.580.410.430.1709.40.001809.9
Single Factor Model (1-B}0.740.620.770.770.510.530.1296.040.001528.67
Two- Factor Model0.880.820.920.920.590.620.0782.330.001296.86