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Fig. 2 | Harm Reduction Journal

Fig. 2

From: Effect of Massachusetts House Bill No. 4196 on electronic cigarette use: a mixed-methods study

Fig. 2

Interrupted time-series analysis of year-on-year cigarette sales per capita. This figure shows the data points and interrupted time-series regressions associated with each group. Vertical lines indicate the weeks in which the EVALI outbreak and related policy statements, beginning of the Massachusetts e-cigarette ban, end of the ban, coronavirus measures, and Massachusetts excise tax occurred, respectively

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Harm Reduction Journal

ISSN: 1477-7517