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Table 3 Comparison of the three models by their fit indices

From: Development and validation of the patient-reported outcome for older people living with HIV/AIDS in China (PROHIV-OLD)

Model

\( {\varvec{\chi }}^{2}\)

df

TLI

BIC

SRMR

RMSEA (90% CI)

Four factors

2989.98**

1271.00

0.851

122953.739

0.034

0.047 (0.045, 0.050)

Five factors

2642.86**

1220.00

0.871

121672.235

0.031

0.044 (0.042, 0.046)

Six factors

2315.19**

1170.00

0.875

122799.317

0.029

0.040 (0.038, 0.043)

  1. **: P < 0.01