A 13-item Health of the Nation Outcome Scale (HoNOS-13): validation by item response theory (IRT) in patients with substance use disorder

Table 3 Comparison of model fit statistics and indices of the HoNOS-13

	Model	AIC	BIC	SABIC	RMSEA	CFI
HoNOS 13	UIRT (1—factor)	19389.4	19676.2	19469.8	0.0753	0.896
HoNOS 13	MIRT (2—factor by expert consensus)	19327.0	19618.1	19408.6	0.067	0.919

ISSN: 1940-0640