Geospatial perspectives on health: The PrEP4Love campaign and the role of local context in health promotion messaging

Gregory Phillips , David J. McCuskey, Dylan Felt, Anand B. Raman, Christina S. Hayford, Jim Pickett, Julia Shenkman, Peter T. Lindeman and Brian Mustanski

Social Science & Medicine, 2020, vol. 265, issue C

Abstract: Pre-exposure prophylaxis (PrEP) remains one of the most effective biomedical interventions for the prevention of HIV transmission. However, uptake among populations most impacted by the HIV epidemic remains low. La rge-scale awareness and mobilization campaigns have sought to address gaps in knowledge and motivation in order to improve PrEP diffusion. Such campaigns must be cognizant of the historical, physical, and structural contexts in which they exist. In urban contexts, neighborhood segregation has the potential to impact health outcomes and amplify disparities. Therefore, we present novel geospatial approaches to the evaluation of a Chicago-based PrEP messaging campaign (PrEP4Love) in a 2018 cohort of men who have sex with men and transgender women, contextualizing results within the localized infrastructure and public health landscape, and examining associations between geographic location and campaign efficacy. Results revealed notable variance in rates of PrEP uptake associated with campaign exposure by Chicago planning area, which are likely explained by the historical and contemporary impacts of racist structures on physical environment and city infrastructure. Findings have important implications for the evaluation and implementation of future messaging campaigns, which should take the unique historical, structural, and geospatial factors of their particular settings into account in order to achieve maximum impact.

Keywords: Geospatial; PrEP; Structural analysis; Community context; HIV prevention; Advocacy (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1016/j.socscimed.2020.113497

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