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Table 4 Fit indexes of the invariance of the HADS across the subgroups

From: Factor structure of the Hospital Anxiety and Depression Scale in Japanese psychiatric outpatient and student populations

 

Chi-squared(df)

RMSEA

CFI

TLI

AIC

Outpatients vs. students

     

   Model A

508.444 (162)

.038

.938

.930

604.444

   Model B

515.996 (168)

.037

.938

.932

599.996

   Model C

519.269 (169)

.037

.937

.932

601.269

Men vs. women

     

   Model A

498.638 (162)

.038

.943

.936

594.638

   Model B

511.829 (178)

.036

.943

.942

575.829

   Model C

511.852 (179)

.036

.944

.943

573.852

  1. Model A is factor pattern invariance; Model B is factor loading invariance; Model C is strong factorial invariance. All chi-squared statistics were significant at P < 0.001.
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Health and Quality of Life Outcomes

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