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Table 5 Expected fit indices for a structural equation model and indices obtained for the confirmatory factor analysis

From: Validation of the attitudes towards people living with HIV/AIDS scale in nursing students

Adjustment index

Expected

1 Factor Model

4 Factor Model

χ2

> 0,05

0.001

0.028

CMIN/DF

< 5

2.506

1.345

GFI

0.90–1

0.792

0.930

AGFI

> 0.8 / 0.90–1

0.743

0.897

RMR

≈ 0.5

0.101

0.052

RMSEA

< 0.05 / 0.08

0.092

0.044

IFC

> 0.8 / 0.90–1

0.733

0.964

NFI

> 0.8 / 0.90–1

0.629

0.876

TLI

> 0.8 / 0.90–1

0.702

0.954

  1. Abbreviations: χ2: Chi-square; CMIN/DF: Discrepancy between chi-square and degrees of freedom; GFI: Goodness-of-fit index; AGFI: Weighted fit index; RMR: Root mean square residual index; RMSEA: Root mean square error of approximation; CFI: Comparative fit index; NFI: Normalised fit index; NNFI or TLI: Non-normalised fit index.