Table 2. Overall performance of abbreviated AUDIT compared to Ch–AUDIT.

	Number of items	R 2	Brier Score	Area under the Curve (AUC)	p-value*
Ch-AUDIT	10	0.577	0.084	0.901	—
AUDIT-PC	5	0.533	0.090	0.884	0.185
FAST	4	0.434	0.107	0.842	0.007
AUDIT-C	3	0.558	0.088	0.898	0.959
AUDIT-QF	2	0.532	0.090	0.881	0.110
AUDIT-3	1	0.418	0.109	0.823	<0.001

*DeLong approach was used to compare the ROC curve of the Full 10-item Chinese language AUDIT with other abridged versions of AUDIT shown.