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03 Mar 2021

From Salt to Stroke – Evaluation of a Media Campaign for Sodium Reduction in Philadelphia

Published in Frontiers in Public Health on the 15th of January 2021, Klassen et al used a repeated cross-sectional design to evaluate the process and impact of a media campaign for sodium reduction in Philadelphia, USA. Between 2014 and 2015 the Philadelphia Department of Public Health conducted an education campaign, targeting populations at higher risk of cardiovascular disease/stroke, specifically African Americans. The campaign included health messaging about the disease risks associated with high salt intake via radio, print news and transit ads. The results from street intercept surveys conducted pre- and post- campaign (n= 400 for each survey) found that post- campaign knowledge regarding risk associated with high salt intake had increased (e.g. 41% of the post-campaign respondents named stoke a consequence of high salt intake compared to 17% pre survey).

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