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Table 4 Fit measures for all models

From: The factor structure of the twelve item General Health Questionnaire (GHQ-12): the result of negative phrasing?

Model GFI AGFI NFI CFI RMSEA (90%CL) ECVI (90%CL)
1. Unidimensional 0.843 0.774 0.846 0.848 0.125 (0.121, 0.128) 0.867 (0.818, 0.917)
2. Two-dimensional 0.931 0.898 0.927 0.929 0.086 (0.082, 0.090) 0.419 (0.386, 0.454)
3. Three dimensional 0.953 0.928 0.948 0.951 0.073 (0.069, 0.077) 0.301 (0.274, 0.331)
4. Unidimensional with correlated errors 0.969 0.938 0.965 0.967 0.068 (0.064, 0.073) 0.214 (0.191, 0.238)