Pamela M Ling’s research while affiliated with UCSF University of California, San Francisco and other places

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Publications (290)


Characteristics of business-to-business oral nicotine product (ONP) advertisements (ads) (N=50)
Marketing strategies in business-to-business advertisements for oral nicotine products
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  • Full-text available

November 2024

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6 Reads

Tobacco Control

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Amy Belton

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Introduction Although the popularity of oral nicotine products (ONPs) such as ZYN and On! is growing globally, there is limited research on their marketing and advertising. This report describes recent ONP marketing communication to retailers. Promotion to retailers can provide insight into new product flavours and styles, as well as future marketing strategies targeting consumers. Methods We obtained all unique ONP print and online advertisements (ads) (N=50) targeted towards US businesses between January 2016 and August 2022 from Vivvix (formerly Numerator Ad Intel). Two independent reviewers coded for type of ONP, brand, nicotine strength(s), flavour(s), slogan(s), claim(s) and frequency of each component. Results Most ads featured nicotine pouches alone (52%), while 22% featured a mix of ONPs including pouches, tablets and lozenges. By brand, Rogue constituted 36% of ads, followed by Zyn and On! (16% each). Most (82%) ads featured at least one cooling flavour and 48% displayed at least one fruit flavour. Wintergreen flavour appeared most frequently (48%). Most (72%) ads contained a slogan, which frequently highlighted convenience of use (eg, ‘Chew on this Anywhere… Anytime’), bypassing current restrictions on other tobacco and nicotine products use (eg, ‘Laughs at no smoking signs’) and highlighting big profit margins from sales of ONPs for retailers (eg, ‘small pouches big margins’). Conclusion This analysis provides insight into tobacco companies’ strategies for increasing ONP endorsement among retailers. Strategies include appealing to profitability, emphasising convenience of product use and primarily promoting non-tobacco flavours. These findings highlight new trends in ONP products and marketing tactics and identify important areas to monitor to inform tobacco marketing regulations.

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Desires and Needs for Quitting Both e-Cigarettes and Cigarettes Among Young Adults: Formative Qualitative Study Informing the Development of a Smartphone Intervention for Dual Tobacco Cessation

October 2024

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11 Reads

JMIR Formative Research

Background Dual use of both e-cigarettes and cigarettes is popular among young adults and may lead to greater nicotine dependence and additive adverse health effects than single-product use. However, existing cessation programs target quitting either e-cigarettes or cigarettes, highlighting a need for interventions to help young adults quit both products (ie, dual tobacco cessation). Objective This formative study is part of a larger project to develop a smartphone intervention for dual tobacco cessation among young adults. This study aimed to (1) explore desires for and experiences with quitting both e-cigarettes and cigarettes and (2) identify needs and preferences for dual tobacco cessation intervention programming. Methods Semistructured interviews were conducted to elicit the need for and experience with dual tobacco cessation among 14 young adults (18-29 years old) recruited through Instagram (Meta) advertisements in 2023. We conducted a thematic analysis to identify common themes related to quitting experiences and cessation needs. Results Participants expressed a strong desire for dual tobacco cessation and had attempted to quit both tobacco products, mostly “cold turkey.” The priority product for quitting first varied by the individual’s perceived harm or level of consumption. Targets for dual tobacco cessation interventions included (1) highlighting the health effects of dual tobacco use compared with single product use, (2) providing cessation support to quit one prioritized product while cutting down the other product with the explicit goal to quit both, (3) emphasizing unique facilitators and barriers to quitting each product (eg, unpleasant smell of cigarettes facilitating smoking cessation and accessibility and flavors of e-cigarettes hindering vaping cessation), and (4) addressing co-use of tobacco with alcohol or cannabis. Participants wanted personalized interventions through smartphone apps that would tailor support to their tobacco use patterns and unique quitting goals and needs. They also suggested presenting intervention content in multimedia (eg, videos, graphic pictures, quizzes, and games) to increase engagement. Conclusions This study provides important insights into young adults’ experiences, needs, and preferences for dual tobacco product cessation. We highlight important targets for future smartphone apps to deliver personalized and tailored support to meet the heterogeneous needs and preferences of young people who want to quit using both e-cigarettes and cigarettes.


Social Media Exposure and Other Correlates of Increased e-Cigarette Use Among Adolescents During Remote Schooling: Cross-Sectional Study

October 2024

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7 Reads

JMIR Pediatrics and Parenting

Background Little is known about the role of exposure to e-cigarette–related digital content, behavioral and mental health factors, and social environment on the change in adolescent e-cigarette use during COVID-19 shelter-in-place orders and remote schooling. Objective The aim of the study was to examine changes in adolescent e-cigarette use during shelter-in-place and remote schooling in association with exposure to e-cigarette–related digital content and other correlates: stronger e-cigarette dependence, feeling lonely, inability to socialize, e-cigarette use to cope with shelter-in-place, and the number of family members aware of participants’ e-cigarette use. Methods A cross-sectional survey conducted between August 2020 and March 2021 included 85 California adolescents (mean age 16.7, SD 1.2 years; 39/85, 46% identified as female and 37/85, 44% as Hispanic) who reported e-cigarette use in the past 30 days. Multivariable penalized logistic regressions determined associations adjusted for age, race and ethnicity, and mother’s education. The outcome of increased e-cigarette use was defined as more frequent use of e-cigarettes of the same or stronger nicotine or tetrahydrocannabinol concentration. Results Almost all respondents (83/85, 98%) reported using social media more since shelter-in-place, and 74% (63/85) reported seeing e-cigarette digital content. More than half (46/85, 54%) reported increased e-cigarette use during shelter-in-place. Most individuals who increased use were exposed to e-cigarette digital content (38/46, 83%) compared to those who did not increase e-cigarette use (25/39, 64%), but the association was nonsignificant after adjusting for demographics (adjusted odds ratio [AOR] 2.34, 95% CI 0.71‐8.46). Respondents who felt lonely (AOR 3.33, 95% CI 1.27‐9.42), used e-cigarettes to cope with shelter-in-place (AOR 4.06, 95% CI 1.39‐13.41), or had ≥2 family members aware of participants’ e-cigarette use (AOR 6.42, 95% CI 1.29‐39.49) were more likely to report increased e-cigarette use. Conclusions Almost all participants reported using social media more during shelter-in-place, with many respondents reporting increased e-cigarette use, and significant associations with loneliness and use to cope with shelter-in-place. Future interventions should consider leveraging digital platforms for e-cigarette use prevention and cessation and address the mental health consequences of the COVID-19 pandemic.



Tobacco use, tobacco-related cancer risk perceptions, and cancer worry among people experiencing homelessness: A qualitative study

September 2024

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5 Reads

Background Tobacco-related cancers are the leading causes of morbidity and mortality among people experiencing homelessness who are 50 years and older. We examined tobacco use, tobacco-related cancer risk, and cancer-related worry among people experiencing homelessness who smoke cigarettes. Methods Between October and November 2020, we recruited a convenience sample of 25 adults experiencing homelessness who reported current smoking and were staying in two shelters in San Francisco, CA. We used the common sense model (CSM) of self-regulation, a framework that connects illness-related beliefs and worry to behaviors that reduce the threat of disease. We focused on the cognitive and affective representations of tobacco-related cancer risk as outlined in the CSM of self-regulation. We conducted in-depth interviews to understand tobacco use, tobacco-related cancer beliefs, and cancer-related worry in the context of homelessness experiences. We obtained information on demographics, tobacco use, and cancer worry from each participant. We analyzed qualitative data using directed content analysis. Results Of the participants, 64% identified as belonging to underrepresented racial/ethnic groups, 80% reported smoking daily, and 80% intended to quit smoking. Participants reported cancer-related worry and attributed their cancer risk to internal (e.g., tobacco use) and external (e.g., secondhand smoke exposure) factors. While participants generally understood cancer and its health consequences, some held the misperception that nicotine, rather than tobacco use, caused cancer. Despite perceptions about the health risks associated with smoking, struggles related to securing basic needs, often preceded health concerns. Specifically, the experience of homelessness and its associated competing priorities posed significant challenges to taking actions, such as quitting smoking to reduce cancer risk. Conclusions Multi-level tobacco cessation interventions that combine structural interventions that reduce barriers to quitting with health messaging to address misperceptions around tobacco-related cancer risk are needed for people experiencing homelessness.




Citations (67)


... This research is critical to help detect the introduction of new brands and products, understand new marketing tactics and their effects and inform tobacco control policy decision-making and tobacco use prevention efforts. [35][36][37][38] Cigarette and smokeless tobacco manufactures are required to report their promotional expenditures to the Federal Trade Commission (FTC), but CLCC manufacturers are not. Between 2017 and 2022, the FTC reported an average of $8.2M in cigarette promotional expenditures per year. ...

Reference:

Analysis of cigar marketing expenditures by product category, placement strategy and geolocation in the USA, from 2017 to 2022
Oral nicotine product marketing expenditures in the USA from 2016 to 2023: trends over time by brand and targeted media outlets

Tobacco Control

... One way to increase engagement could be incentivizing the participants to comment on the post. For example, Lyu et al [43], in a social media study, incentivized participants to comment on Facebook posts to increase group engagement. In this study, the constructs of spirituality and religiosity were not the primary focus. ...

Factors Associated With Abstinence Among Young Adult Smokers Enrolled in a Real-world Social Media Smoking Cessation Program
  • Citing Article
  • February 2024

Nicotine & Tobacco Research

... Research shows that public and intergovernmental institutions are relying more often on private financing, including philanthropy, and mainly from commodities that are either UCI or have very close ties to them, such as pharma (to food and tobacco), technology (to food, tobacco, alcohol, and fossil fuels), or agro-industry (to tobacco and food). 25,26 This simplifies corporate power over public health-focused institutions. ...

Pharmaceuticalisation as the tobacco industry’s endgame

... No information was collected on timing or ordering of co-use; therefore, we could not assess temporal relationships. Future studies may develop more detailed measures of co-use with clarification in survey items regarding proximity of co-use, as has been done in some previous studies (Nguyen et al., 2024;Sokolovsky et al., 2020). Finally, this study did not measure different cannabis products or modes of use (e.g., smoking, vaping, edibles). ...

Classification of patterns of tobacco and cannabis co-use based on temporal proximity: A qualitative study among young adults
  • Citing Article
  • May 2024

Addictive Behaviors

... In the first two years of the pandemic, news about older people's heightened risk for COVID-19-related harms became part of the fabric of everyday life [64]. We are now coming to learn, as others forewarned [65], of the anxiety-provoking effects of negative news [66], any television news [67], and rehashed news among online acquaintances [68] about COVID-19. We therefore wondered whether participants' support seeking might be seen as exacerbating loved ones' worries about them. ...

Associations between tobacco and cannabis use and anxiety and depression among adults in the United States: Findings from the COVID-19 citizen science study

... Cannabis use and co-use with tobacco, defined as currently using both substances, has been increasing in the U.S. since 2000 (Agrawal et al., 2012;Caulkins, 2024;Hublet et al., 2015;Substance Abuse and Mental Health Services Administration, 2018). Despite emerging evidence of health effects of frequent cannabis use (Andréasson et al., 1987;Arseneault et al., 2002Arseneault et al., , 2004Bailly et al., 2010;Ghasemiesfe et al., 2018;Jeffers et al., 2024;Jouanjus et al., 2017;Qiu et al., 2023;Renard et al., 2014;Wang et al., 2016b), many people in the US perceive cannabis as less risky than tobacco (Chambers et al., 2023;Han et al., 2021;Nguyen et al., 2023). Expansion of medical and recreational cannabis legalization could have contributed to these increases in use. ...

Perceptions of Safety of Daily Cannabis vs Tobacco Smoking and Secondhand Smoke Exposure, 2017-2021
  • Citing Article
  • August 2023

JAMA Network Open

... Cannabis use and co-use with tobacco, defined as currently using both substances, has been increasing in the U.S. since 2000 (Agrawal et al., 2012;Caulkins, 2024;Hublet et al., 2015;Substance Abuse and Mental Health Services Administration, 2018). Despite emerging evidence of health effects of frequent cannabis use (Andréasson et al., 1987;Arseneault et al., 2002Arseneault et al., , 2004Bailly et al., 2010;Ghasemiesfe et al., 2018;Jeffers et al., 2024;Jouanjus et al., 2017;Qiu et al., 2023;Renard et al., 2014;Wang et al., 2016b), many people in the US perceive cannabis as less risky than tobacco (Chambers et al., 2023;Han et al., 2021;Nguyen et al., 2023). Expansion of medical and recreational cannabis legalization could have contributed to these increases in use. ...

Changes in perceived harms of tobacco and cannabis and their correlations with use: A panel study of young adults 2014–2020
  • Citing Article
  • May 2023

Addictive Behaviors

... Young adulthood (18-29 years old) is an ideal time for tobacco cessation to prevent the escalation of tobacco use and related diseases [1]. Tobacco cessation among young adults is complicated by concurrent use of both e-cigarettes and cigarettes (dual use) [2]. Among young adults who currently used e-cigarettes in 2021, 37% also reported using cigarettes [3]. ...

“I’m both smoking and vaping”: a longitudinal qualitative study of US young adults who tried to quit smoking cigarettes by using electronic cigarettes
  • Citing Article
  • April 2023

Tobacco Control

... Therefore, the goal of this research was to describe the use of tobacco and cannabis administration methods among a sample of female and male young adults from the three largest racial/ethnic groups in the U.S in states where cannabis is legal and illegal. Understanding dual use is important given greater health consequences associated with use of both products (Bliss, 1935;Ford et al., 2002;Gourlay et al., 1994;Haney et al., 2013;Meier and Hatsukami, 2016;Montgomery, 2015;National Academies of Sciences, Engineeering, and Medicine, 2017;Peters et al., 2012;Vogel et al., 2018) and the positive feedback loop between tobacco and cannabis formulation use (Nguyen et al., 2023). This information will inform prevention and treatment of nicotine and cannabis use among the highrisk young adult group. ...

Associations Between Product Type and Intensity of Tobacco and Cannabis Co-use on the Same Day Among Young Adult Smokers: Smartphone-Based Daily-Diary Study

JMIR mhealth and uhealth

... However, in our recent systematic review on the use of social media for health promotion, we found limited evidence on the use of social media in improving awareness about vaping or aiding in vaping cessation, and no campaigns were conducted in Australia (The manuscript is under review). A protocol involving a randomised controlled trial to assess vaping cessation interventions on Instagram has been underway, though its findings are still pending [7]. ...

Delivering vaping cessation interventions to adolescents and young adults on Instagram: protocol for a randomized controlled trial

BMC Public Health