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Cutaneous Abscess Prevalence and Risk Factors Among People Who Inject Drugs in Denver, Colorado.

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Nearly half of people who inject drugs (PWID) reported abscesses in a 2018 study, with less consistent sterile needle use linked to higher infection rates. Prevention strategies are crucial for this population.

Keywords:
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Area of Science:

  • Public Health
  • Infectious Diseases
  • Epidemiology

Background:

  • Skin and soft tissue infections (SSTIs) are common among people who inject drugs (PWID).
  • Limited research quantifies injection-related SSTIs and associated risk behaviors.
  • This study investigates cutaneous abscess prevalence and contributing factors in PWID.

Purpose of the Study:

  • To determine the prevalence of self-reported cutaneous abscesses among PWID.
  • To explore associations between abscesses and injection-related behaviors.
  • To identify risk factors for abscesses in PWID.

Main Methods:

  • PWID were recruited through the National HIV Behavioral Surveillance system in Denver, Colorado.
  • Surveys collected data on abscess history and injection practices over the past 12 months.
  • Statistical analyses included chi-squared tests and generalized linear models to assess associations between sterile needle use, alcohol swab use, and abscess occurrence.

Main Results:

  • In 2018, 48% of participants reported at least one abscess; in 2022, 35% reported an abscess.
  • Less consistent use of sterile needles was significantly associated with a higher likelihood of reporting abscesses in both survey years.
  • The study examined the link between alcohol swab use and abscesses.

Conclusions:

  • A significant proportion of PWID experience recent abscesses.
  • Inconsistent sterile needle use is a key risk factor for abscesses in this population.
  • Accessible prevention strategies are needed in various settings to reduce SSTIs among PWID.