From October 2020, the Toolkit Study also started to collect monthly data from around 450 and 300 adults in Scotland and Wales, respectively. Past-year and current smoking prevalence among i) drinkers at risk of alcohol dependence, ii) drinkers not at risk, and iii) non-drinkers was also reported in Supplementary File 1 for adults in Great Britain as a whole and stratified by country, for the period that data were available.
