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Table 5 Fit Indices for Confirmatory Factor Models of the sample (n = 151)

From: Evaluating psychometric properties of the Short Form Brief Pain Inventory Sinhala Version (SF BPI-Sin) among Sinhala speaking patients with cancer pain in Sri Lanka

Indices Reference values 2 Factor model 3 Factor model-1 3 Factor model- 2
Chi-square   91.53 86.86 71.24
Df   43 41 41
P    < 0.05  < 0.05  < 0.05
SRMR < 0.08 0.0594 0.0544 0.0513
CFI > 0.95 0.933 0.946 0.959
RMSEA
(90%CI)
< 0.06 0.0864
(0.0618; 0.111)
0.0861
(0.0608; 0.111)
0.0699
(0.0415; 0.0965)
GFI > 0.9 0.898 0.911 0.922
AGFI > 0.9 0.844 0.857 0.874
NNFI > 0.95 0.915 0.928 0.944
PGFI > 0.5 0.585 0.566 0.573
PNFI > 0.5 0.691 0.674 0.678
  1. RMSEA Root Mean Square Error of Approximation, GFI Goodness of Fit Index, AGFI Adjusted Goodness of Fit Index, SRMR Standardized Root Mean Square Residual, CFI Comparative Fit Index, NNFI Non-Normed Fit Index, PGFI Parsimony Goodness of Fit Index, PNF Parsimonious Normed Fit Index