Intention to use PrEP among men who have sex with men and engage in chemsex: an international descriptive study

Author:

Sousa Álvaro Francisco Lopes de12ORCID,Nunes Ribeiro Caíque Jordan34ORCID,Santos Guilherme Reis de Santana5ORCID,Oliveira Layze Braz de6ORCID,Camargo Emerson Lucas Silva6,Lima Shirley Verônica Melo Almeida34,Oliveira Sena Inara Viviane de7ORCID,Bezerra-Santos Márcio8,Batista Odinéa Maria Amorim7,Reis de Sousa Anderson9ORCID,Mendes Isabel Amélia Costa6

Affiliation:

1. Hospital Sírio-Libânes, Instituto de Ensino e Pesquisa, São Paulo, Daher Cutait, 69 - Bela Vista, São Paulo - SP, 01308-060, Brazil

2. Global Health and Tropical Medicine, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Lisboa, Portugal

3. Collective Health Research Center (NISC), Federal University of Sergipe, Lagarto, Sergipe, Brazil

4. Graduate Program in Nursing, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil

5. Nursing Department, Federal University of Sergipe, Lagarto, Sergipe, Brazil

6. Ribeirão Preto College of Nursing, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil

7. Federal University of Piauí, Teresina, Brazil

8. Complex of Medical Sciences and Nursing, Universidade Federal de Alagoas, Alagoas, Brazil

9. Graduate Program in Nursing and Health of the Nursing School, Federal University of Bahia, Salvador, Bahia, Brazil

Abstract

Background: Pre-exposure prophylaxis (PrEP) is a valuable tool in the response to the HIV epidemic, recommended for groups with a higher risk of HIV infection, such as men who have sex with men (MSM), particularly in the context of high-risk sexual behavior such as chemsex. Purpose: This study aimed to analyze the prevalence and factors associated with the intention to use PrEP among MSM who engage in chemsex in Brazil and Portugal. Methods: This was a cross-sectional study of a secondary dataset from a larger study conducted between January 2020 and May 2021 throughout Brazil and Portugal involving 1852 MSM who engage in chemsex. An initial descriptive analysis was performed to calculate the absolute and relative frequencies of independent variables related to the intention to use PrEP among MSM. A multivariate regression model was developed to identify factors independently associated with the intention to use PrEP. Results: Although a high level of PrEP knowledge (85.75%) was observed among MSM who engage in chemsex, the prevalence of intention to use PrEP was only 59.07%. Five variables were associated with a higher prevalence of intention to use PrEP [engaging in double penetration – adjusted prevalence ratio (aPR): 1.56, 95% CI: 1.44–1.69; being assigned female sex at birth – aPR: 1.34, 95% CI: 1.12–1.61; cruising – aPR: 1.21, 95% CI: 1.06–1.38; not using condoms – aPR: 1.20, 95% CI: 1.05–1.36; and being an immigrant – aPR: 1.16; 95% CI: 1.07–1.25], while having knowledge of postexposure prophylaxis (aPR: 0.91; 95% CI: 0.84–0.98), having a casual sexual partner (aPR: 0.86 and 0.85; 95% CI: 0.74–0.99 and 0.74–0.98), and engaging in group sex (aPR: 0.81; 95% CI: 0.73–0.90) were associated with a lower intention to use PrEP. Conclusion: The intention to use PrEP among MSM who engage in chemsex was high, and several factors were associated with this intention. Understanding the factors associated with the intention to use PrEP among MSM practicing chemsex is crucial for developing targeted interventions to increase PrEP uptake in this population. The results of this study suggest that tailored approaches are necessary to promote PrEP use in this population.

Funder

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Publisher

SAGE Publications

Subject

Pharmacology (medical),Infectious Diseases

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