Table 1.

Characteristics of study participants (N= 113)

Measure	M (SD) or n (%)
Male	49 (43.4%)
Age, in yearsa	18.5(0.67)
White	108 (96.4%)
Perceived dependence on smokingb	79 (70%)
Daily smokersc	59 (53%)
Reported alcohol use on weekends only during study	3 (3%)
Ever reached eBAC ≥ 110 mg/dl	110(97%)
Reached eBAC ≥ 110 mg/dl more than once	105 (93%)
Reported any hangover symptoms	110(97%)
Reported hangover symptoms more than once	106(94%)
Reported any hangover symptoms if eBAC ≥ 110 mg/dl	108(96%)

Notes: eBAC = estimated blood alcohol concentration.

^a90% were 18 or 19 years old;

^bendorsed the item “Have you ever felt that you needed tobacco or that you were dependent on it?”;

^creported smoking “daily or almost daily” in the past month.