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. 2018 Feb 19;5(1):e6. doi: 10.2196/humanfactors.9039

Table 3.

Goodness-of-fit indices for tested models.

Index type and fit index Statistics for hypothesized 8-item model Statistics for tested 7-item model
Absolute index


Chi-square 124.2 11.3

Chi-square degrees of freedom 17 11

P-value for the chi-square statistic <.001 .417

SRMRa .038 .012
Incremental index



Bentler CFIb .944 .999
Parsimony index



RMSEAc estimate .156 .011

RMSEA lower 90% CI .131 .000

RMSEA upper 90% CI .182 .066

aSRMR: standardized root mean square residual.

bCFI: comparative fit index.

cRMSEA: root mean square error of approximation.