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Table 5 χ2 difference test comparing nested models

From: A factor analytic investigation of DSM-5 PTSD symptoms in a culturally diverse sample of refugees resettled in Australia

Models Δχ2 (df) p-value
Model 1 vs. Model 3 22.41 (4) <.001
Model 1 vs. Model 4 38.74 (9) <.001
Model 1 vs. Model 5 30.67 (9) <.001
Model 2 vs. Model 3 19.57 (4) <.001
Model 2 vs. Model 4 35.37 (9) <.001
Model 2 vs. Model 5 27.78 (9) .001
Model 3 vs. Model 4 15.77 (5) <.010
Model 3 vs. Model 5 6.78 (5) .238
Model 6 vs. Model 1 123.33 (6) <.001
Model 6 vs. Model 2 124.28 (6) <.001
Model 6 vs. Model 3 157.94 (10) <.001
Model 6 vs. Model 4 190.00 (15) <.001
Model 6 vs. Model 5 186.35 (15) <.001
  1. N = 244