Table 1.

Final results of confirmatory factor analysis and two-parameter IRT analyses for the 10 AUD criteria

		% Endorsed	EFA Loadings (F1)	EFA Loadings (F2)	CFA Loadings	Location (SE)	Slope (SE)
Tolerance (dependence)		50%	0.407	0.426	0.473	0.018(.133)	0.552(.116)
Larger amounts than intended (dependence)		43.7%	0.544	0.445	0.583	0.288(.111)	0.745(.147)
Social/Interpersonal Problems (abuse)		12.9%	0.733	0.373	0.703	1.533(.214)	1.097(.242)
Activities to obtain alcohol (dependence)		11.9%	0.654	0.557	0.767	1.555(.187)	1.241(.302)
Recurrent physical/psychological problems (dependence)		10.1%	0.611	0.406	0.661	1.976(.306)	0.899(.235)
Important activities given up (dependence)		6.1%	0.689	0.411	0.715	2.199(.319)	1.074(.316)
Unsuccessful efforts (dependence)		8.1%	0.835	0.283	0.528	2.464(.423)	0.715(.288)
Physically hazardous (abuse)		7.9%	0.528	0.073	0.446	2.302(.515)	0.525(.155)
Role obligations (abuse)		9.9%	0.473	0.122	0.438	2.769(.927)	0.437(.126)
Withdrawal (dependence)		4.5%	0.650	−0.188	0.482	3.569(1.007)	0.575(.229)
Legal problems (abuse)		6.1%	0.539	0.076	0.472	3.841(1.005)	0.431(.241)
Eigenvalues			4.191	1.474
% Variance accounted for			38.10%	13.40%
Overall Mean (SE)						2.047(1.185)	0.754(.285)

Note: All values are sorted in ascending sequence according to the location (severity) parameters

% Endorsed reflects the overall percent endorsement for each criterion

EFA = Exploratory Factor Analysis; CFA = Confirmatory Factor Analysis