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Aims: The study's aim is to identify and classify the most important alcohol control policies in the Baltic countries (Estonia, Latvia and Lithuania) and Poland between 2000 and 2020. Methods: Policy analysis of Baltic countries and Poland, predicting potential policy impact on alcohol consumption, all-cause mortality and alcohol-attributable hospitalizations was discussed. Results: All Baltic countries implemented stringent availability restrictions on off-premises trading hours and different degrees of taxation increases to reduce the affordability of alcoholic beverages, as well as various degrees of bans on alcohol marketing. In contrast, Poland implemented few excise taxation increases or availability restrictions and, in fact, reduced stipulations on prior marketing bans. Conclusions: This classification of alcohol control policies in the Baltic countries and Poland provides a basis for future modeling of the impact of implementing effective alcohol control policies (Baltic countries), as well as the effects of loosening such policies (Poland).

Background: Many population-based alcohol control policies are postulated to work via changes in adult alcohol per capita consumption (APC). However, since APC is usually assessed on a yearly basis, often there are not enough data to conduct interrupted time-series or other controlled analyses. The current dataset, with 21 years of observation from four countries (Estonia, Latvia, Lithuania, and Poland), had sufficient power to test for average effects and potential interactions of the World Health Organization’s (WHO) three “best buys” for alcohol control: taxation increases leading to a decrease in affordability; reduced availability (via a decrease in opening hours of at least 20 %); and advertising and marketing restrictions. We postulated that the former two would have immediate effects, while the latter would have mid- to long-term effects. Methods: Linear regression analysis. Results: Taxation increases and availability reductions in all countries were associated with an average reduction in APC of 0.83 litres (ℓ) of pure alcohol per year (95 % confidence interval: −1.21 ℓ, −0.41 ℓ) in the same year, with no significant differences between countries. Restrictions on advertising and/or marketing had no significant immediate associations with APC (average effect 0.04 ℓ per year; 95 % confidence interval: −0.65 ℓ, 0.73 ℓ). Several sensitivity analyses corroborated these main results. Conclusions: The WHO “best buy” alcohol control policies of taxation increases and availability restrictions worked as postulated in these four northeastern European Union countries.