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PREVALENCE AND RISK BEHAVIORS FOR CHLAMYDIAL INFECTION IN A POPULATION-BASED STUDY OF FEMALE ADOLESCENTS IN BRAZIL
Female Adolescents
Sexually Transmitted Infections (STIs)
Clinical Factors
Chlamydia Trachomatis Infection (CT)
Vitória (Brazil, ES)
Author
Affilliation
Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública Sergio Arouca. Rio de Janeiro, RJ, Brasil / Universidade Federal do Espírito Santo. Núcleo de Doenças Infecciosas. Vitoria, ES, Brasil.
Fundação Oswaldo Cruz. Instituto de Comunicação e Informação Científica e Tecnologia em Saúde. Rio de Janeiro, RJ, Brasil.
Universidade Federal do Espírito Santo. Núcleo de Doenças Infecciosas. Vitoria, ES, Brasil.
University of California. Center for AIDS Prevention Studies. San Francisco, USA.
Fundação Oswaldo Cruz. Instituto de Comunicação e Informação Científica e Tecnologia em Saúde. Rio de Janeiro, RJ, Brasil.
Universidade Federal do Espírito Santo. Núcleo de Doenças Infecciosas. Vitoria, ES, Brasil.
University of California. Center for AIDS Prevention Studies. San Francisco, USA.
Abstract in Portuguese
Background: Adolescents are vulnerable to sexually transmitted infections (STIs) and unplanned pregnancy. Prevention measures and
assistance are of significant public health importance in this population.
Objective: The objective of this study was to identify demographic, behavioral, and clinical factors for STIs and to determine the prevalence of Chlamydia trachomatis infection (CT) among female adolescents
in Vito´ria, Brazil.
Methods: We performed a cross-sectional study among female adolescents (15–19 years) served by the Health Family Program. Participants were screened for CT and Neisseria gonorrhoeae (GC) using ligase chain reaction applied to urine and answered a face-to-face questionnaire to assess demographic, behavioral, and clinical factors. All participants and their parents signed the informed consent.
Results: Four hundred sixty-four young women were sampled. The prevalence of CT was 8.9% (95% confidence interval [CI], 6.5–11.9%)
overall. Among sexually active women, CT and gonorrhea prevalence were 12.2 (95% CI, 9.4–17.0%) and 1.9% (95% CI, 1.1–2.7%), respectively. Previously diagnosed STI was reported by 12.8%. Women who reported regular condom use and having condoms at home were significantly less likely to have CT, and having never purchased condoms
was significantly associated with a positive CT result.
Conclusion: A high prevalence of CT was found in this population, and behavioral risk was high despite readily available STI prevention information. Women who reported positive condom use behaviors were less likely to have CT. These results demonstrate the need for ongoing STI prevention activities, including STI screening and continued successful risk reduction activities such as condom use to
further decrease CT and other STI among adolescents.
Keywords
Chlamydial InfectionFemale Adolescents
Sexually Transmitted Infections (STIs)
Clinical Factors
Chlamydia Trachomatis Infection (CT)
Vitória (Brazil, ES)
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