Fig. 3From: Effect of excise tax on sugar-sweetened beverages in Catalonia, Spain, three and a half years after its introductionPlacebo test by date of intervention (May 1, 2016). Monthly difference between observed price and per capita consumption of selected sugary drinks, non-sugary drinks and bottled water in Catalonia, Spain, and counterfactual predictions. Vertical line: SSB tax start date (May 2016). Dashed horizontal line: no difference. Continuous line: difference between observed values and counterfactual prediction. Shaded area: 95% confidence intervals of the differenceBack to article page