Structural and Environmental Influences Increase the Risk of Sexually Transmitted Infection in a Sample of Female Sex Workers

Susan G. Sherman, Catherine Tomko, Rebecca Hamilton White, Danielle Friedman Nestadt, Bradley E. Silberzahn, Emily Clouse, Katherine Haney, Noya Galai

Research output: Contribution to journalArticlepeer-review

Abstract

Background Female sex workers (FSWs) have elevated rates of sexually transmitted infections (STIs) including HIV, yet few studies in the United States have characterized the STI burden in this population. Methods Data were derived from the EMERALD study, a structural community-based intervention with FSWs in Baltimore, MD. Participants (n = 385) were recruited through targeted sampling on a mobile van. Prevalent positive chlamydia or gonorrhea infections were determined by biological samples. Multivariable logistic regressions modeled correlates of confirmed positive STI (gonorrhea or chlamydia). Results Confirmed STI positive prevalence was 28%, 15% chlamydia and 18% gonorrhea. Approximately two-thirds of the sample (64%) was younger than 40 years, one-third (36%) were Black, and 10% entered sex work in the past year. The sample was characterized by high levels of structural vulnerabilities (e.g., housing instability and food insecurity) and illicit substance use. Female sex workers were more likely to have a positive STI if they had financial dependent(s) (P = 0.04), experienced food insecurity at least weekly (P = 0.01), entered sex work in the past year (P = 0.002), and had 6 or more clients in the past week (P = 0.01). Female sex workers were less likely to have a positive STI test result if they were 40 years or older compared with FSW 18 to 29 years old (P = 0.02), and marginally (P = 0.08) less likely with high (vs. low) social cohesion. Conclusions More than a quarter of FSWs had confirmed chlamydia or gonorrhea. In addition to STI risks at the individual level, STIs are driven by structural vulnerabilities. Results point to a number of salient factors to be targeted in STI prevention among FSWs.

Original languageEnglish
Pages (from-to)648-653
Number of pages6
JournalSexually Transmitted Diseases
Volume48
Issue number9
DOIs
StatePublished - 2021
Externally publishedYes

Bibliographical note

Funding Information:
From the *Department of Health, Behavior, and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD; †Department of Sociology, The University of Texas at Austin, Austin, TX; and ‡Depart-ment of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD This work received support from the National Institute on Drug Abuse (R01DA041243), National Institute of Mental Health (F31MH118817), and Johns Hopkins University Center for AIDS Research, a National In-stitutes of Health–funded program (P30AI094189).

Publisher Copyright:
© Lippincott Williams & Wilkins.

ASJC Scopus subject areas

  • Dermatology
  • Public Health, Environmental and Occupational Health
  • Microbiology (medical)
  • Infectious Diseases

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