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Table 3 Goodness of fit indices of SAS and PHQ-9 obtained from confirmatory factor analysis

From: Patient-reported anxiety and depression measures for use in Indian head and neck cancer populations: a psychometric evaluation

Scales

Chi-square (χ2)

Degrees of freedom (df)

P-value

Standardized root mean square residual (S-RMR)

Comparative fit index (CFI)

The goodness of Fit index (GFI < 0.95)

Tamil

 SAS

560.479

165

0.00

0.085

0.829

0.767

 PHQ-9

62.822

26

0.00

0.056

0.947

0.938

Telugu

 SAS

336.560

146

0.00

0.077

0.838

0.861

 PHQ-9

71.90

26

0.00

0.064

0.888

0.935

Hindi

 SAS

754.854

146

0.00

0.128

0.741

0.711

 PHQ-9

74.945

26

0.00

0.047

0.947

0.917

  1. SAS Zung’s self-rating anxiety scale, PHQ-9 Patient health questionnaire −9