Table 3.

Parental History of Alcohol Problems, Impulsive Sensation Seeking and Alcohol and Tobacco Use

Outcome	Non-Mediated (parental history only)		Mediated by ImpSS Score
	Odds Ratio	95% Confidence Interval	Odds Ratio	95% Confidence Interval
1–2 days of Alcohol Use	2.19	1.71–2.81	2.05	1.59–2.64
3–9 days of Alcohol Use	2.15	1.67–2.76	1.94	1.50–2.51
10 or more days of Alcohol Use	2.56	1.89–3.48	2.24	1.63–3.07
30-day Binge Use	1.81	1.49–2.18	1.58	1.29–1.92
Tobacco Use Only	4.58	2.80–7.48	4.25	2.59–6.96
Alcohol Use Only	2.10	1.65–2.68	1.96	1.53–2.52
Concomitant Use	3.96	3.04–5.17	3.57	2.71–4.70