The relationship between joining a US free trade agreement and processed food sales, 2002–2016: a comparative interrupted time-series analysis

To examine changes in sales of highly processed foods, including infant formulas, in countries joining free trade agreements (FTAs) with the US.Annual country-level data for food and beverage sales come from Euromonitor International. Analyses are conducted in a comparative interrupted time-series (CITS) framework using multivariate random-effects linear models, adjusted for key confounders: gross domestic product (GDP) per capita, percent of...