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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Addiction. 2018 Oct 16;114(2):294–303. doi: 10.1111/add.14446

Figure 1. a-d: Overall prevalence of e-cigarette use in England by social grade (all years 2014-2017, weighted data).

Figure 1

Long term ex-smokers refers to individuals who stopped smoking >1 year ago. Social grades: AB=Higher and intermediate managerial, administrative and professional, C1=Supervisory, clerical and junior managerial, administrative and professional, C2=Skilled manual workers, D=Semi-skilled and unskilled manual workers, E=State pensioners, casual and lowest grade workers, unemployed with state benefits only.