Mapping alcohol and tobacco tax policy interventions to inform health and economic impact analyses: a United Kingdom based qualitative framework analysis

Background: Alcohol and tobacco have different policy regimes and there is little understanding of how changes to policy on each commodity might combine to affect the same outcomes or to affect people who both drink and smoke. The aim of this study was to deepen understanding of the policy objectives of UK alcohol and tobacco tax options being considered at the time of the interviews with a set of UK policy participants in 2018, and the factors affecting the implementation and outcomes of the policy options discussed. Methods: Ten tax policy experts were recruited from government arms-length organisations and advocacy groups in England and Scotland (4 alcohol, 4 tobacco, 2 alcohol and tobacco). Alcohol and tobacco experts were interviewed together in pairs and asked to discuss alcohol and tobacco tax policy objectives, options, and the mechanisms of effect. Interviews were semi-structured, supported by a briefing document and topic guide, audio-recorded, transcribed and then analysed deductively using framework analysis. Results: Alcohol and tobacco tax policy share objectives of health improvement and there is a common set of policy options: increasing duty rates, duty escalators, multi-rate tax structures, industry levies and the hypothecation of tax revenue for investment in societal benefits. However, participants agreed that the harms caused by alcohol and tobacco and their industries are viewed differently, and that this influences the impacts that are prioritised in tax policymaking. Working-out how alcohol and tobacco taxes could work synergistically to reduce health inequalities was seen as desirable. Participants also highlighted the importance of avoiding the combined effects of price increases on alcohol and tobacco widening economic inequalities. Conclusions: Impact analyses should consider the combined effects of alcohol and tobacco tax policies on health and economic inequalities, and how the effects of changes to the tax on each commodity might trade-off.