Table 1.

Descriptive Statistics

Variable	N	M	SD	Range	Skew	Kurtosis
Impulsivity	196	2.34	0.88	1.00–5.00	0.82	3.32
Motor impulsivity	196	2.28	0.53	1.00–3.86	0.41	0.31
Attention impulsivity	196	2.25	0.55	1.13–3.75	0.24	−0.63
Distractibility	196	2.60	0.87	1.00–4.83	0.28	−0.62
Goal setting	196	3.89	0.50	2.00–5.00	−0.64	1.39
Planfulness	196	3.74	0.65	1.71–5.00	−0.60	0.08
Problem solving	196	4.05	0.65	1.67–5.00	−0.75	0.87
Plan to abstain	4,177	0.81	0.39	0.00–1.00	−1.59	0.54
Self-control demands	4,177	2.54	1.39	1.00–7.00	0.78	0.05
Alcohol-related problems	4,177	0.17	0.69	0.00–10.00	7.36	77.05
Alcohol consumption	4,177	0.73	2.39	0.00–25.00	4.36	25.96

Note. Alcohol-related problems = alcohol problems and related risk behaviors.