To use or not to use electronic cigarettes? Reasons for use, stopping use and their behavioural sequelae among Mexicans who smoke.

INTRODUCTION: Reasons for using and stopping the use of e-cigarettes and their associations with transitions in nicotine product use are relatively unknown in countries with e-cigarette bans, such as Mexico. METHODS: Data comes from an open cohort of people who smoke in Mexico, surveyed every 4 months from November 2018 to November 2021. Those who smoked and used e-cigarettes at time t (n=904 individuals, 1653 observations) were categorised at 4-month follow-up (t+1): (1) continued 'dual use', (2) exclusive smoking, (3) exclusive use of e-cigarettes or neither product. For people who formerly used e-cigarettes at time t (n=332 individuals, 372 observations), follow-up categories were: (1) continued exclusive smoking; (2) re-initiated e-cigarette use. Multinomial and logistic models regressed follow-up status (ref=status at time t) on reasons for using or stopping e-cigarette use, respectively, at time t, adjusting for covariates. RESULTS: The most prevalent reasons for current e-cigarette use were 'they were less harmful to others' (40.5%) and 'enjoyable' (39.0%). Those who reported using e-cigarettes because they were less harmful to others (Adjusted Relative Risk Ratio (ARRR)=0.67), more enjoyable (ARRR=0.52), could help them to quit smoking (ARRR=0.65), or to control weight (ARRR=0.46) were less likely to return to exclusively smoking. Among people who formerly used e-cigarettes, lack of satisfaction was the primary reason for stopping e-cigarette use (32%) and those who reported this were less likely to start using e-cigarettes again at follow-up (Adjusted Odds Ratio (AOR)=0.58). CONCLUSIONS: Specific reasons for using and stopping e-cigarettes predict changes in smoking and e-cigarette use, and targeting these beliefs could promote desired behaviour changes.

Arguments used by proponents and opponents in Brazil's regulatory discussions of e-cigarettes and heated tobacco products.

OBJECTIVES: To identify proponents and opponents of the commercialisation and marketing of e-cigarettes and heated tobacco products (HTPs), identify the arguments used on both sides and compare how the arguments have changed over time, we analysed three policy discussions occurring in 2009, 2018 and 2019. METHODS: We conducted a content analysis of one document and six videos from these discussions, provided on the Brazilian Health Regulatory Agency website, or upon request. RESULTS: The arguments most used by tobacco companies were related to claims that the use of e-cigarettes and HTPs is less harmful than conventional tobacco. Unions that support its commercialisation also argued that lifting the ban would prevent smuggling and guarantee their quality. On the other side, universities, medical and anti-tobacco institutions argued that such devices may have health risks, including the risk of inducing cigarette smoking. In 2009, most arguments belonged to the 'health' theme, while in 2018 and 2019 economic arguments and those related to morals and ethics were frequently used. CONCLUSIONS: Those that supported the commercialisation and marketing of e-cigarettes and HTPs first focused on arguments of harm reduction, while 10 years later the right to access and potential economic consequences also became common. Public health agents and academics must gather evidence to effectively respond to these arguments and discuss these policies, and must prepare themselves to use and respond to arguments related to moral and economic themes.

Impact of e-liquid warning labels on young adults' perception of e-cigarettes and intention to use them: an experimental online study.

INTRODUCTION: Flavoured e-liquids are especially appealing to young adults. The objective of the present study was to evaluate the effects of text warning labels (WLs) on e-liquid vials used in flavoured electronic cigarettes (e-cigarettes) on e-cigarette non-users' perceptions of harm, addictiveness, emotional valence, interest in trying e-cigarettes and visual attention. METHODS: Young adults aged 18-25 years (n=313) who were non-e-cigarette users were recruited online and randomised to view images of one of two e-liquid vial conditions (with text WL or without text WL). Each participant was exposed to four images of e-liquid vials. After observing each image, participants reported interest in trying e-cigarettes, emotional valence, perceived harm and addictiveness. Additionally, participants completed an assessment of self-reported visual attention with a priori regions of interest (e-liquid branding and text WL). RESULTS: Separate two-way Analysis of Variance(ANOVA) that examined the main effects of sex and warning were used for each measure. Text WL on e-liquid vials decreased young adults' intention to use e-cigarettes (especially in men), increased harm perception and decreased appeal to the product. However, they did not influence the perceived addictiveness of e-cigarettes and rarely grabbed attention. Men perceived e-cigarettes as less harmful and less addictive. CONCLUSIONS: The results suggest that text WLs on e-liquid vials are moderately effective in preventing e-cigarette use in young adults. However, they capture less attention than the rest of the vial and fail to increase the perception of addictiveness. It is suggested to explore other types of design to increase the effectiveness of WLs.

New tobacco products, old advertising strategies: point-of-sale advertising in Guatemala.

OBJECTIVE: Capsule cigarettes, electronic cigarettes (e-cigarettes) and heated tobacco products (HTPs) are now readily available in Guatemala. As in most countries, the point-of-sale (POS) remains an important marketing channel for the tobacco industry. Therefore, we sought to characterise the POS marketing of these products in the two largest cities in Guatemala. METHODS: Convenience stores were randomly surveyed in mid and high socioeconomic status (SES) neighbourhoods in Guatemala City (n=60) and Quetzaltenango (n=15) in 2019. We adapted a previously implemented checklist to assess the availability of interior advertising of capsule cigarettes, e-cigarettes and HTP. Data entry was done in Kobo toolbox and analysis in STATA. RESULTS: All stores sold conventional and flavoured capsule cigarettes, 78% e-cigarettes and 68% HTP. Most cigarette advertising was for capsule cigarettes. E-cigarettes were more likely to be sold in Guatemala City (96%) than in Quetzaltenango (13%). HTPs were only found in Guatemala City (85%), with no difference between high and medium SES neighbourhoods. Median number of ads for cigarettes and capsule cigarettes was higher in the high SES neighbourhood. Most e-cigarettes (83%) and HTP (74%) were found <50 cm from candy. E-cigarettes and HTP were available in a wide range of flavours. All stores that sold HTP had flavoured HEETS (amber, bronze, turquoise, yellow, blue and purple). CONCLUSION: We found a high prevalence of advertising for capsule cigarettes, e-cigarettes and HTP at the POS. The POS, a crucial advertising channel for the tobacco industry, is now being used for new products and therefore needs to be urgently regulated.