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Table 4 Goodness of fit index and comparative fit indices for the doping opinion model depicted in Figure 1

From: Methodological considerations regarding response bias effect in substance use research: is correlation between the measured variables sufficient?

Fit index

Good fit/Cut-off

Model without SD

Model with SD

Overall fit

p > 0.05

χ2 = 111.0 df = 13, p < .001

χ2 = 39.3, df = 15, p = .001

 

χ 2 /df <3

χ2/df = 8.544

χ2/df = 2.619

CFI

CFI > 0.9

.729

0.935

TLI

TLI > 0.9

.417

0.845

RMSEA

RMSEA <0.05

.165 90%CI = .138, .194

.076 90%CI = .048, .106

PCLOSE

PCLOSE > 0.05

<.001

.064

  1. CFI: comparative fit index; TLI: Tucker Lewis coefficient; RMSEA: root mean square error of approximation (<0.8 reasonable, <0.5 is good, > 0.1 is not good); PCLOSE: p of close fit (H0: RMSEA = 0.05)
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Substance Abuse Treatment, Prevention, and Policy

ISSN: 1747-597X