Table 1.

Outline of key laboratory session procedures and administration of self-reports

Time	Procedure
8:30am	Participants arrive. Cigarettes, lighters and matches confiscated. Baseline assessments of breath CO, breath alcohol, urine toxicology, urine pregnancy screen, height and weight obtained.
9:00am	Participants in both study conditions provided a standard breakfast
12:00pm	Lunch given to participants in nicotine deprived alone condition
6:00pm	Dinner given to participants in nicotine deprived alone condition
6:30pm	Blood draw to assay serum nicotine
6:45pm	Pre-food craving priming task self-report packet, then food craving priming task (assessment of food craving during task)
6:55pm	Post-food craving priming task/pre-delay period self-report packet (withdrawal measure omitted)
7:05pm	Delay period begins, participants can smoke at any time they choose
7:55pm/end of delay	End of delay period/+0 self-report packet, then smoking self-administration period begins
30-min later	+30 self-report packet (withdrawal measure omitted)
60-min later	+ 60 self-report packet
9:15pm	Dismissal