Skip to main content

Table 3 Confirmatory factor analysis with data subsample 2

From: Development and psychometric evaluation of a self-management behaviours scale in rheumatoid arthritis patients (RA-SMBS)

Fit index

χ2

df (p)

χ2/df

RMSEA (90% CI)

GFI

IFI

TLI

CFI

PGFI

PNFI

Model of RA-SMBS

588.788

222 (< 0.001)

2.652

0.077 (0.069–0.085)

0.845

0.909

0.895

0.908

0.680

0.756

Reference value

 Acceptable

  

 < 5

 < 0.08

 > 0.90

 > 0.90

 > 0.90

 > 0.90

 > 0.50

 > 0.50

 Good

  

 < 3

 < 0.05

 > 0.95

 > 0.95

 > 0.95

 > 0.95

 > 0.90

 > 0.90

  1. X2 chi-square; df, degrees of freedom, CI confidence interval, RMSEA root mean square error analysis, GFI goodness of fit index, IFI incremental fit index, TLI Tucker-Lewis index, CFI comparative fit index, PGFI parsimonious goodness-of-fit index, PNFI parsimonious normed fit index