Exploring the psychometric properties of the externalizing spectrum inventory-brief form in a Swedish forensic psychiatric inpatient sample

Table 2 Fit statistics from confirmatory factor analyses (N = 77)

Model	k	AIC	SABIC	CFI_r	TLI_r	RMSEA [95% CI]	SRMR
Unidimensional	46	10,504.10	10,466.90	0.66	0.63	0.14 [0.13, 0.16]	0.11
Correlated factors	45	9,554.97	9,518.58	0.79	0.76	0.12 [0.1, 0.14]	0.11
Bifactor	69	10,294.67	10,238.88	0.87	0.84	0.09 [0.08, 0.11]	0.07

Note. k, number of free parameters; AIC, Akaike information criterion; SABIC, sample size adjusted Bayesian information criterion; CFI_r, Comparable fit index, robust version; TLI_r, Tucker-Lewis index, robust version; RMSEA, root mean square error of approximation; SRMR, standardized root mean square residual

ISSN: 1471-244X