Heather M Munro1, Martha J Shrubsole2, Wei Zheng2, Wanqing Wen2, William J Blot2,3. 1. Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA. 2. Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA. 3. International Epidemiology Institute, Rockville, MD, USA.
Abstract
BACKGROUND: A ban on the sale of menthol cigarettes in the United States is currently under consideration. A justification is that menthol cigarettes are harder to quit, particularly for African American smokers who use menthols much more frequently than White smokers, but epidemiologic data are limited. METHODS: In a cohort of 16 425 mostly low-income African American and White current cigarette smokers enrolled during 2002-2009, we computed smoking quit and reuptake rates at 3 follow-ups conducted means of 4.6, 7.7, and 11 years after entry. Generalized estimation equations were used to compute odds ratios (ORs) and 95% confidence intervals (CIs) for quitting and resuming smoking for menthol vs nonmenthol smokers adjusted for race, age, education, income, and smoking pack-years. RESULTS: Crude annual quit rates among current smokers were 4.3% for menthol and 4.5% for nonmenthol smokers, with adjusted odds ratios of quitting for menthol vs nonmenthol smokers of 1.01 (95% CI = 0.91 to 1.11) overall, 0.99 (95% CI = 0.87 to 1.12) among African American smokers, and 1.02 (95% CI = 0.88 to 1.20) among White smokers. Crude annual smoking reuptake rates were somewhat higher among menthol smokers (8.4%) than nonmenthol smokers (7.1%), with an adjusted odds ratio of 1.19 (95% CI = 0.97 to 1.47), but net quit rates remained similar (OR = 1.01, 95% CI = 0.90 to 1.13 overall; OR = 1.00, 95% CI = 0.86 to 1.15 among African American participants; and OR = 1.04, 95% CI = 0.87 to 1.24 among White participants). CONCLUSIONS: This large-scale prospective survey revealed similar quit rates among menthol and nonmenthol smokers. Results contribute to policy discussions, especially if, as a meta-analysis suggests, lung cancer risk is higher for nonmenthol smokers and a ban leads menthol smokers to switch to nonmenthol cigarettes.
BACKGROUND: A ban on the sale of menthol cigarettes in the United States is currently under consideration. A justification is that menthol cigarettes are harder to quit, particularly for African American smokers who use menthols much more frequently than White smokers, but epidemiologic data are limited. METHODS: In a cohort of 16 425 mostly low-income African American and White current cigarette smokers enrolled during 2002-2009, we computed smoking quit and reuptake rates at 3 follow-ups conducted means of 4.6, 7.7, and 11 years after entry. Generalized estimation equations were used to compute odds ratios (ORs) and 95% confidence intervals (CIs) for quitting and resuming smoking for menthol vs nonmenthol smokers adjusted for race, age, education, income, and smoking pack-years. RESULTS: Crude annual quit rates among current smokers were 4.3% for menthol and 4.5% for nonmenthol smokers, with adjusted odds ratios of quitting for menthol vs nonmenthol smokers of 1.01 (95% CI = 0.91 to 1.11) overall, 0.99 (95% CI = 0.87 to 1.12) among African American smokers, and 1.02 (95% CI = 0.88 to 1.20) among White smokers. Crude annual smoking reuptake rates were somewhat higher among menthol smokers (8.4%) than nonmenthol smokers (7.1%), with an adjusted odds ratio of 1.19 (95% CI = 0.97 to 1.47), but net quit rates remained similar (OR = 1.01, 95% CI = 0.90 to 1.13 overall; OR = 1.00, 95% CI = 0.86 to 1.15 among African American participants; and OR = 1.04, 95% CI = 0.87 to 1.24 among White participants). CONCLUSIONS: This large-scale prospective survey revealed similar quit rates among menthol and nonmenthol smokers. Results contribute to policy discussions, especially if, as a meta-analysis suggests, lung cancer risk is higher for nonmenthol smokers and a ban leads menthol smokers to switch to nonmenthol cigarettes.
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Authors: Andrea C Villanti; Amanda L Johnson; Allison M Glasser; Shyanika W Rose; Bridget K Ambrose; Kevin P Conway; K Michael Cummings; Cassandra A Stanton; Kathryn C Edwards; Cristine D Delnevo; Olivia A Wackowski; Shari P Feirman; Maansi Bansal-Travers; Jennifer K Bernat; Enver Holder-Hayes; Victoria R Green; Marushka L Silveira; Andrew Hyland Journal: JAMA Netw Open Date: 2019-10-02