Table 4.

Item endorsement and polychoric correlations of DSM-IV Alcohol Dependence for each ancestral group.

Symptom	%	N		Correlation
African Ancestry				1.	2.	3.	4.	5.	6.
1. Tolerance	47%	1033
2. Withdrawal	53%	1170		0.66
3. Longer than intended	58%	1279		0.70	0.63
4. Attempt to quit	56%	1238		0.76	0.68	0.69
5. Time spent	57%	1251		0.69	0.89	0.68	0.74
6. Acts foregone	33%	724		0.66	0.59	0.66	0.68	0.67
7. Continued use	46%	998		0.69	0.66	0.66	0.71	0.70	0.72
European Ancestry
1. Tolerance	49%	2880
2. Withdrawal	26%	1660		0.58
3. Longer than intended	57%	3278		0.67	0.71
4. Attempt to quit	40%	2608		0.65	0.75	0.74
5. Time spent	30%	1656		0.60	0.86	0.71	0.72
6. Acts foregone	25%	1421		0.62	0.82	0.73	0.75	0.86
7. Continued use	41%	2292		0.65	0.78	0.78	0.75	0.76	0.85