Zachary Cahn1, Regine Haardörfer2, Michael Lewis3, Yanwen Wang4, Carla J Berg2. 1. Department of Health Policy and Management, Emory University Rollins School of Public Health, 1518 Clifton Rd NE, Atlanta, GA 30322 Department of Economic and Health Policy Research, American Cancer Society, Inc., 250 Williams St, Atlanta, GA 30303. 2. Department of Behavioral Sciences and Health Education, Emory University Rollins School of Public Health, 1518 Clifton Rd NE, Atlanta, GA 30322. 3. Department of Marketing, Emory University Goizueta Business School, 1300 Clifton Rd NE, Atlanta, GA 30322. 4. University of Colorado Boulder, Leeds school of Business, Marketing Division, 995 Regent Dr., Boulder, CO 80309.
Abstract
OBJECTIVES: Examine correlates of initiation of e-cigarette use among smokers and determine the impact of e-cigarette use on cessation among smokers in a national U.S. consumer panel. METHODS: This study used the Nielsen Homescan Panel data from 2011 to 2013, augmented with state-specific measures of tobacco control activities, to examine 1) correlates of single and repeat e-cigarette purchasing among panelists currently purchasing cigarettes; and 2) correlates of "cessation". Participating panelists scanned all retail purchases, and Nielsen recorded over 3 million product types. The key explanatory variable for cessation was e-cigarette purchase. Parallel analysis was conducted for conventional nicotine replacement therapy (NRT) purchase. Cessation was defined as no purchases for at least 6 months and no subsequent purchases until the end of 2013. Analysis was conducted in 2015. E-cigarettes tracked by Nielsen during this period were cig-a-like products resembling tobacco cigarettes in appearance. RESULTS: Single e-cigarette purchase was associated with whether the panelist resided in a single person male household and bought a higher volume of cigarettes. Repeat purchase was associated with higher state cigarette taxes, less stringent state public smoke-free policies, lower cigarette prices, and more frequent cigarette purchasing. Cessation was associated with repeat e-cigarette purchasing, repeat NRT purchasing, younger age, lower monthly cigarette volume, less frequent purchasing of cigarettes, less recent cigarette purchase at baseline, and single e-cigarette purchase before baseline. CONCLUSIONS: Both individual and policy variables were associated with e-cigarette use. Repeat e-cigarette purchase was associated with cigarette purchase discontinuation, as were various smoking intensity measures.
OBJECTIVES: Examine correlates of initiation of e-cigarette use among smokers and determine the impact of e-cigarette use on cessation among smokers in a national U.S. consumer panel. METHODS: This study used the Nielsen Homescan Panel data from 2011 to 2013, augmented with state-specific measures of tobacco control activities, to examine 1) correlates of single and repeat e-cigarette purchasing among panelists currently purchasing cigarettes; and 2) correlates of "cessation". Participating panelists scanned all retail purchases, and Nielsen recorded over 3 million product types. The key explanatory variable for cessation was e-cigarette purchase. Parallel analysis was conducted for conventional nicotine replacement therapy (NRT) purchase. Cessation was defined as no purchases for at least 6 months and no subsequent purchases until the end of 2013. Analysis was conducted in 2015. E-cigarettes tracked by Nielsen during this period were cig-a-like products resembling tobacco cigarettes in appearance. RESULTS: Single e-cigarette purchase was associated with whether the panelist resided in a single person male household and bought a higher volume of cigarettes. Repeat purchase was associated with higher state cigarette taxes, less stringent state public smoke-free policies, lower cigarette prices, and more frequent cigarette purchasing. Cessation was associated with repeat e-cigarette purchasing, repeat NRT purchasing, younger age, lower monthly cigarette volume, less frequent purchasing of cigarettes, less recent cigarette purchase at baseline, and single e-cigarette purchase before baseline. CONCLUSIONS: Both individual and policy variables were associated with e-cigarette use. Repeat e-cigarette purchase was associated with cigarette purchase discontinuation, as were various smoking intensity measures.
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