HIV prevention and crack harm reduction using projection mapping in Mexico City

Author:

Cepeda Alice1ORCID,Nowotny Kathryn M.2,Frankeberger Jessica3,Mora Eduardo Zafra1,Natera-Rey Guillermina4,Valdez Avelardo1

Affiliation:

1. School of Social Work, University of Southern California, Los Angeles, CA, USA

2. Department of Sociology, University of Miami, Coral Gables, FL, USA

3. Department of Pediatrics, University of California San Diego, La Jolla, CA, USA

4. Muñiz Centro de Documentación e Información en Psiquiatría y Salud Mental, Instituto Nacional de Psiquiatría Ramón de la Fuente, Mexico City, Mexico

Abstract

Objective: Crack cocaine use has increased rapidly throughout Mexico, along with rising HIV and hepatitis C virus (HCV) infections among vulnerable groups. The Tirando Esquina: Interviniendo Muros de Salud (TE:IMS) project uses projection-mapping technology and is the first of its kind to reach and provide health education at an individual and community level to at-risk crack smoking populations in Mexico City. Setting: This intervention project took place in Mexico City. Design: A single-arm design was utilised. Method: The TE:IMS intervention used projection mapping, a community-based art form wherein 3-dimensional (3-D) images, videos and graphics are projected onto buildings in the community. A total of nine projection mapping episodes were projected and health promoters engaged individuals on the street to reinforce messaging and distribute safer crack kits. A sample of persons who use crack ( n = 58) were recruited prior to the intervention to complete pretest–posttest evaluation questionnaires. Results: Findings provide evidence of initial effectiveness. Decreases pre- to posttest were found in weekly crack use ( p < .05), sharing of paraphernalia ( p = .002) and use of cans as pipes ( p = .008), while increases were observed in the usage of Pyrex pipes ( p = .002). While quantitative HIV knowledge assessments did not increase significantly, qualitative data suggest the intervention made a substantial impact on perceptions and knowledge of HIV among those who interacted with the health promoters and saw the projections. Conclusions: TE: IMS was successful in providing health education and harm reduction strategies at a community level to at-risk crack smoking populations in Mexico City. These findings provide evidence for the initial effectiveness of innovative education and harm reduction efforts in this population.

Funder

Grand Challenges in Global Health

Publisher

SAGE Publications

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