BACKGROUND:African Americans are at risk of inadequate adherence to smoking cessation treatment, yet little is known about what leads to treatment discontinuation. PURPOSE: The purpose of this study was to examine the factors associated with discontinuation of treatment in African American light smokers (≤10 cigarettes per day). METHODS:Bupropion plasma levels and counseling attendance were measured among 540 African American light smokers in a placebo-controlled randomized trial of bupropion. RESULTS: By week 3, 28.0 % of subjects in the bupropion arm had discontinued bupropion, and only moderate associations were found between the plasma levels and self-reported bupropion use (r s = 0.38). By week 16, 36.9 % of all subjects had discontinued counseling. Males had greater odds of discontinuing medication (OR = 2.02, 95% CI = 1.10-3.71, p = 0.02), and older adults had lower odds of discontinuing counseling (OR = 0.96, 95% CI = 0.94-0.97, p < 0.0001). CONCLUSIONS:Bupropion and smoking cessation counseling are underutilized even when provided within the context of a randomized trial. Future research is needed to examine strategies for improving treatment utilization among African American smokers.
RCT Entities:
BACKGROUND: African Americans are at risk of inadequate adherence to smoking cessation treatment, yet little is known about what leads to treatment discontinuation. PURPOSE: The purpose of this study was to examine the factors associated with discontinuation of treatment in African American light smokers (≤10 cigarettes per day). METHODS:Bupropion plasma levels and counseling attendance were measured among 540 African American light smokers in a placebo-controlled randomized trial of bupropion. RESULTS: By week 3, 28.0 % of subjects in the bupropion arm had discontinued bupropion, and only moderate associations were found between the plasma levels and self-reported bupropion use (r s = 0.38). By week 16, 36.9 % of all subjects had discontinued counseling. Males had greater odds of discontinuing medication (OR = 2.02, 95% CI = 1.10-3.71, p = 0.02), and older adults had lower odds of discontinuing counseling (OR = 0.96, 95% CI = 0.94-0.97, p < 0.0001). CONCLUSIONS:Bupropion and smoking cessation counseling are underutilized even when provided within the context of a randomized trial. Future research is needed to examine strategies for improving treatment utilization among African American smokers.
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