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Poster Presentations
PS02 – POSTER VIEWING SESSION – TUESDAY
Tuesday, July 16, 2019 5:45 PM – 7:00 PM
P579 High prevalence and correlates of syphilis and HIV infection among adolescents of the comarca ngäbe-buglé, panama
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  1. Amanda Gabster1,
  2. Juan Pascale1,
  3. Ben Cislaghi2,
  4. Alexander Martinez1,
  5. Alma Ortiz1,
  6. Jorge Castillo1,
  7. Mellissa Herrera3,
  8. Genarino Herrera4,
  9. César Gantes5,
  10. Yaremis Quiel5,
  11. Adan Ríos1,
  12. Eliris Campbell1,
  13. Philippe Mayaud6
  1. 1Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama City, Panama
  2. 2London School of Hygiene and Tropical Medicine, Department of Global Health and Development, London, UK
  3. 3Caja de Seguro Social, Laboratorio de Microbiologia, Santiago, Panama
  4. 4MINSA Capsi, La Mata, Panama
  5. 5Ministerio de Salud, Región Comarca Ngäbe-buglé, San Felix, Panama
  6. 6London School of Hygiene and Tropical Medicine, London, UK

Abstract

Background The Comarca Ngäbe-Buglé (CNB), situated in western Panama, is home to over 200,000 indigenous peoples; the region has the highest levels of multidimensional poverty in the country. The prevalence and correlates of syphilis and HIV have not been previouslydescribed among adolescents of CNB.

Methods A cross sectional study, using multistage cluster sampling design with equal probability of selection and random sampling of clusters, among male and female participants aged 14–19 years, was conducted in 10 high schools in CNB from July-November 2018. A questionnaire was self-administered, participants provided blood, as well as urine and self-administered cervical/vaginal swabs for STI testing (data not shown). Serum was tested for HIV using rapid test/viral load confirmation; syphilis using TPPA/VDRL confirmation for active syphilis.

Results A total of 316 female adolescents and 384 males participated. A history of sexual activity was reported by 76.0% of females and 78.3% of males; forced sexual intercourse by 29.0%(86/297) of females and 15.1%(55/364) of males; transactional sex (being offered money, food, housing, transport in exchange for sex) by 14.6%(43/295) of females, 12.3%(45/365) of males. Of sexually experienced participants, 4.7%(25/535) had a confirmed HIV (1 female, 3 males) or active syphilis (3 females, 19 males) test. Correlates of either HIV/syphilis infection include: male gender (AOR=4.4, 95%CI: 1.5–13.1) and having been offered transactional sex (AOR=3.3, 95%CI: 1.3–8.0). Among males only, 4/26 (15.4%) of those who reported same-sex sexual intercourse (MSM) tested positive for syphilis. Correlates of HIV/syphilis among all male participants included transactional sex (AOR=2.7, 95%CI: 1.0–7.9), having been forced to have sex (OR=2.6, 95%CI: 1.0–6.9) and MSM (OR=2.7, 95%CI: 0.9–8.9).

Conclusion There is very high syphilis and HIV prevalence among high-school-going indigenous adolescents of CNB, particularly among males. Transactional sex and forced sex are driving factors. Targeted interventions should include prevention education, testing and treatment, especially for boys reporting homosexual sex.

Disclosure No significant relationships.

  • Indigenous
  • syphilis
  • HIV

https://doi.org/10.1136/sextrans-2019-sti.652

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