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Table 3 Model Comparison for One- vs Two-Factor Measurement Model

From: Longitudinal measurement invariance of the patient health questionnaire in a German sample

Model

χ2(df)

CFI

RMSEA

Δχ2(df)

p

N

1) one factor

165.61 (20)

.989

.111

   

2) two factor

129.54 (19)

.992

.099

95.05 (1)

< .001

588

  1. Note. CFI Comparative Fit Index, RMSEA Root Mean Square Error of Approximation
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BMC Psychiatry

ISSN: 1471-244X

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