Psychometric evaluation of the Chinese version of the Toronto Hospital Alertness Test

Journal of Patient-Reported Outcomes

Table 2 Model fit indices in confirmatory factor analysis of the Chinese version of THAT

Model	χ² statistic	Degrees of freedom	RMSEA	SRMR	CFI
10-item one-factor	76.13	35	0.11	0.11	0.97
8-item one-factor	40.86	20	0.11	0.10	0.98
8-item one-factor (modified^a)	22.61	18	0.05	0.07	1.00
7-item one-factor	18.54	14	0.06	0.08	1.00

RMSEA root mean square error of approximation, SRMR standardized root mean square residual, CFI comparative fit index
^aIncorporated error covariances: Q3 ~ Q4 and Q3 ~ Q5