Chunk #9 — Methods — Recruitment and enrollment

Source

Racial differences in smoking abstinence rates in a multicenter, randomized, open-label trial in the United States.

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Recruitment for this large study included smokers contacting their regional North Central Cancer Treatment Group site and undergoing a telephone pre-screen, consent visit and a screening visit. If the smoker was found to be eligible, they were randomized to one of three medications. After randomization, participants returned for study visits at week 4, week 8, and week 12 post-randomization. The subjects were instructed to abstain from smoking upon awakening on the target quit date. All subjects received the NCI “Clearing the Air” booklet and individual counseling based on the “Smoke Free and Living It” manual© (Mayo Clinic Nicotine Research Program 2000).