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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