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- Title
Parsing Intra- and Inter-Individual Covariation Between the Sensory Attributes and Appeal of E-Cigarettes: Associations and Gender Differences.
- Authors
Pang, Raina D; Mason, Tyler B; Kapsner, Addison K; Leventhal, Adam M
- Abstract
<bold>Introduction: </bold>Perceived sensory attributes of e-cigarettes may associate with their appeal. However, limited studies have accounted for individuals' variability in sensory attributes or have addressed how associations of sensory attributes with appeal may differ by gender.<bold>Methods: </bold>Individuals (n = 119, 32.8% female) who currently used combustible cigarettes and/or e-cigarettes attended one laboratory session in which they completed a standardized e-cigarette puffing procedure according to a 10 Flavor (green apple, strawberry, chocolate, vanilla, menthol, koolada, peppermint, spearmint, subtle tobacco, and full-flavored tobacco) × 2 Nicotine Formulation (free-base, salt) double-blind factorial design. The mean nicotine concentration was 23.4 (SD = 0.9) mg/mL in the nicotine salt formulations and 23.8 (SD = 1.7) mg/mL in the free-base formulations. Following each trial, participants completed ratings of sensory attributes (sweet, smooth, cool, bitter, harsh) and appeal (mean of liking, disliking [reverse-scored], and willingness-to-use-again ratings). Sensory attributes were partitioned into between-person and within-person variables. Gender was tested as a moderator of associations of sensory attributes with appeal.<bold>Results: </bold>Sweet, smooth, and cool sensory attributes positively associated with appeal at the between- and within-person level (ps < .001). Bitter and harsh negatively associated with appeal at the between- and within-person level (ps < .001). The associations of between-person sweet, smooth, and cool ratings with appeal was larger in males compared to females. The associations of within-person smooth, bitter, and harsh with appeal was larger in females compared to males.<bold>Conclusions: </bold>This study showed important gender differences in associations of sensory attributes and appeal.<bold>Implications: </bold>While evidence suggests that sensory attributes may contribute to the appeal of e-cigarettes, there is little experimental evidence accounting for individual variability in sensory attributes and whether sensory attribute-appeal associations differ by gender. The current study provides evidence that average sweet, cool, and smooth ratings positively associated with appeal and that these associations were larger in males. Within-person bitter, harsh, and smooth ratings significantly associated with appeal in both genders, but these associations were larger in females compared to males. Data from the current report reinforces the need for researchers to study gender stratified effects in tobacco regulatory science.
- Subjects
FLAVORING essences; RESEARCH; RESEARCH methodology; NICOTINE; EVALUATION research; SEX distribution; COMPARATIVE studies; RANDOMIZED controlled trials; RESEARCH funding; TOBACCO products; TOBACCO
- Publication
Nicotine & Tobacco Research, 2022, Vol 24, Issue 7, p1012
- ISSN
1462-2203
- Publication type
journal article
- DOI
10.1093/ntr/ntab255