Predicted behavioural responses to tobacco product regulations: findings from an online survey of Australian adults who smoke

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Abstract
Background Regulating features of tobacco products can reduce the appeal and addictiveness of smoking. We examined predicted behavioural responses to bans on i) filter ventilation (FV), ii) regular nicotine content (RNC), and iii) menthol and flavour crushballs (MFC), as well as perceived rationales for these bans. Methods Australian adults who smoked at least weekly were recruited from an online research panel to participate in a cross-sectional survey and were allocated to either the FV (n=301), RNC (n=335), or MFC (n=298) study arm, depending on current product use. Respondents viewed a basic description of each ban before completing measures of predicted behavioural responses and perceived rationale. Results The proportion of respondents who reported being likely to try to quit smoking in response to the product regulations was 25.9% in the FV arm, 18.5% in the RNC arm, and 13.4% in the MFC arm. However, in each study arm, respondents more commonly predicted that they would switch to tobacco products that would remain available after the ban (FV: 33.6%; RNC: 37.0%; MFC: 51.3%), and some reported being likely to switch to e-cigarettes (FV: 14.6%; RNC: 11.6%; MFC: 23.2%). The majority of respondents reported either misperceptions or uncertainty about the rationale for the bans (FV: 69.8%; RNC: 81.5%; MFC: 62.4%). Conclusion A higher proportion of people who smoke anticipate that they would respond to tobacco product bans by switching to a different product, rather than using the ban as an opportunity to quit. Future studies should experimentally investigate whether public health messaging about these product regulation measures can be used to encourage greater rates of quitting by minimising switching to available products, including e-cigarettes, and to minimise misperceptions by increasing awareness of the rationale for each product regulation measure.

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