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Chlamydia home sampling in the real world: a cross-sectional analysis
Rosalind Foster1, Tobias Vickers1, Heng Lu2
1Sydney Sexual Health Centre, GPO1614, Sydney, NSW, Australia; and The Kirby Institute, Sexual Health Program, UNSW Medicine, Kensington, NSW, Australia.
Sexual Health
|July 20, 2022
Summary
Chlamydia home sampling in Australia shows low uptake among heterosexual men and non-sex-working women. High attrition rates were observed at each stage of the home sampling process for chlamydia retesting.
Area of Science:
- Public Health
- Infectious Diseases
- Sexual Health
Background:
- Chlamydia retesting rates in Australia are notably low.
- Home sampling for chlamydia has demonstrated potential to improve retesting rates.
- Sydney Sexual Health Centre implemented chlamydia home sampling in 2019.
Purpose of the Study:
- To evaluate the real-world effectiveness and uptake of chlamydia home sampling.
- To describe the process and outcomes of chlamydia home sampling in a clinical setting.
Main Methods:
- Retrospective study of heterosexual males and non-sex-working females diagnosed with chlamydia.
- Analysis of participants who agreed to SMS reminders for home sampling kits.
- Descriptive statistics and bivariate analyses to assess uptake and attrition rates.
Main Results:
- Out of 444 eligible individuals, only 25.9% agreed to receive a home sampling invitation.
- A total of 53 participants (46.1% of those invited) were mailed kits, with a 43.4% return rate.
- Of the returned kits, 13.0% tested positive for chlamydia; 22.6% of non-completers later tested in clinic.
Conclusions:
- The real-world uptake of chlamydia home sampling for reinfection screening was lower than anticipated.
- Significant attrition occurred at multiple stages of the home sampling process.
- Further strategies may be needed to enhance chlamydia home sampling participation.
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