. Author manuscript; available in PMC: 2011 Sep 1.

Published in final edited form as: Addict Behav. 2010 Apr 10;35(9):818–825. doi: 10.1016/j.addbeh.2010.03.021

Table 4.

Psychometric characteristics of the RAPS4 in each country (current drinkers)

	Sensitivity -S- and Specificity - Sp- for alcohol dependence		Correlation with the AUDIT^a	RAPS Mean and (S.D.)	RAPS Reliability ^b	Item p [Proportion of indicator presence]				Item discrimination index ^c				Item discrimination index ^d
	S %	Sp %	Correlation with the AUDIT^a	RAPS Mean and (S.D.)	RAPS Reliability ^b	Item1	Item2	Item3	Item4	Item1	Item2	Item3	Item4	Item1	Item2	Item3	Item4
Arg (n=594)	89	87	.84^**	.25(.71)	.70	.10	.04	.08	.03	.62	.46	.59	.34	.63	.36	.60	.41
Mex (n=540)	92	98	.85^**	.53(1.01)	.73	.20	.11	.11	.11	.44	.53	.60	.53	.59	.45	.55	.48
US (n=844)	95	75	.91^**	.82(1.28)	.80	.29	.17	.19	.16	.62	.63	.66	.60	.68	.55	.64	.54

Pearson correlation coefficients

^**

Significative at 0.01 (one-tailed).

Test reliability estimate by Kuder-Richardson-20 index.

Corrected Item-Test Point-Biserial Correlation.

D-Value.