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Epidemiological Characteristics and Factors Associated with Repeat Sexually Transmitted Infections in Barcelona,
Constanza Jacques-Aviñó1,2,3,4, Miguel Alarcón Guitiérrez5,6,7, María Jesús Barbera8
1Servei d'Epidemiologia, Agència de Salut Pública de Barcelona, Barcelona, Spain. cjacques@idiapjgol.info.
Archives of Sexual Behavior
|October 24, 2023
Summary
A study found that 17% of bacterial sexually transmitted infections (STIs) in Barcelona involved reinfection. Key risk factors for repeat bacterial STI include male sex, younger age, men who have sex with men/transgender individuals, and HIV coinfection.
Area of Science:
- Epidemiology
- Public Health
- Infectious Diseases
Background:
- Increasing incidence of sexually transmitted infections (STIs) and co-infections globally.
- Need for understanding risk factors for recurrent bacterial STIs.
Purpose of the Study:
- To describe epidemiological characteristics of individuals with repeated bacterial STIs.
- To identify risk factors for recurrent episodes in Barcelona (2007-2018).
Main Methods:
- Analysis of bacterial STI cases from the Barcelona STI registry.
- Definition of repeated STI as a new diagnosis after a prior infection.
- Statistical analysis using Kaplan-Meier and Cox proportional hazards models.
Main Results:
- 17.0% of 9927 individuals experienced at least two bacterial STI episodes.
- Independent risk factors for repeat STI included male sex, age <34, men who have sex with men/transgender individuals, gonorrhea or LGV as initial diagnosis, and HIV coinfection.
Conclusions:
- Targeted sexual health interventions are crucial for key populations at high risk of reinfection.
- Strengthening sexual health programs can help mitigate the rising rates of bacterial STIs and reinfections.
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