Table 2.

Bivariate Correlations between Predictor Variables and Measures of Substance Use

	1	2	3	4	5	6	7	8
1. Gender^a	—
2. Stim	.025	—
3. NEM	.062	.022	—
4. Average daily alcohol consumption (N = 192)	.168^*	.100	.136	—
5. Frequency of binge drinking (N = 192)	.210^**	.074	.083	.792^**	—
6. Frequency of intoxication (N = 192)	.118	.101	.084	.805^**	.714^**	—
7. Age of onset of regular alcohol use (N = 144)	−.134	−.183^*	−.050	−.164^*	−.138	−.142	—
8. Alcohol drinker: yes/no (N = 192)	−.042	.138	−.011	.346^**	.302^**	.372^**	.034	—
9. Illicit substance user: yes/no (N = 191)	.097	.168^*	−.045	.311^**	.293^**	.356^**	−.037	.321^**

Note. Stim = change score on the Stimulant scale of the Biphasic Alcohol Effects Scale (1.5 h – baseline); NEM = Negative Emotionality, higher-order factor scale on the Multidimensional Personality Questionnaire.

Female = 0, Male = 1

p ≤ .05.

^**

p ≤ .01