Table 1.

Inclusion/exclusion criteria.

Inclusion Criteria	Exclusion Criteria
18 years of age or greater	Current heavy drinking
Able to read and write English	Current illegal drug use
At least fairly motivated to quit smoking	Use of other tobacco products in last 7 days
Willing to fulfill study requirements	Current use of stop-smoking treatments
Smoking at least 10 cigarettes per day	Participation in a study in the past 30 days
Baseline CO level of at least 10 parts per million	Living with someone enrolled in the study
	Current depression (CES-D score over 16)* History of bipolar disorder or psychosis Uncontrolled hypertension History of seizure Past negative reactions to bupropion Pregnancy Breast feeding

^*Except when an interview with a licensed clinical psychologist suggested another cause for elevated scores.