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Table 3 Fit Indicators Confirmatory Factor Analysis Persian Version of DUQOL

From: Validation and psychometric properties of the drug users’ quality of life scale in Iranian population

Fit Indicators Criterion Level Interpretation
χ2/DF 3 ≥ 2.18 Optimal fit
CFI 0.9< 0.93 Optimal fit
NNFI/TLI 0.9 < 0.93 Optimal fit
GFI 0.8 < 0.9 Optimal fit
RMSEA 0.08> 0.066 Optimal fit
R2 Near to 1 0.99 Optimal fit