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Prevalence of five curable sexually transmitted infections and associated risk factors among tertiary student men who have sex with men in Nairobi, Kenya: a respondent-driven sampling survey†.
Mwaniki, Samuel Waweru; Kaberia, Peter Mwenda; Mugo, Peter Mwangi; Palanee-Phillips, Thesla.
  • Mwaniki SW; School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa; and University Health Services, Administration and Campus Support Services, University of Nairobi, Nairobi, Kenya.
  • Kaberia PM; Department of Mathematics, Faculty of Science and Technology, University of Nairobi, Nairobi, Kenya.
  • Mugo PM; Kenya Medical Research Institute - Wellcome Trust Research Programme, Nairobi, Kenya.
  • Palanee-Phillips T; Wits Reproductive Health and HIV Institute, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa; and Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA, USA.
Sex Health ; 20(2): 105-117, 2023 04.
Article in English | MEDLINE | ID: covidwho-2303035
ABSTRACT

BACKGROUND:

Young men who have sex with men (MSM) are a key population at high risk of sexually transmitted infections (STIs). We conducted a respondent-driven sampling (RDS) bio-behavioural survey to estimate the prevalence of five curable STIs chlamydia, gonorrhoea, syphilis, trichomoniasis and Mycoplasma genitalium infection, and associated risk factors among tertiary student MSM (TSMSM) in Nairobi, Kenya.

METHODS:

Between February and March 2021, we recruited 248 TSMSM aged ≥18years who self-reported engaging in anal and/or oral sex with another man in the past year. Samples collected included urine, anorectal and oropharyngeal swabs for pooled Chlamydia trachomatis , Mycoplasma genitalium , Neisseria gonorrhoeae and Trichomonas vaginalis testing using multiplex nucleic acid amplification tests, and venous blood for serological Treponema pallidum screening and confirmation of current infection. Participants self-completed a behavioural survey on a REDCap digital platform. Data analysis was done using RDS-Analyst (v0.72) and Stata (v15). Differences in proportions were examined using the chi-squared (χ 2 ) test, and unweighted multivariate logistic regression was used to assess factors associated with STI prevalence.

RESULTS:

RDS-adjusted prevalence rates of at least one of the five STIs, chlamydia, gonorrhoea, Mycoplasma genitalium infection, trichomoniasis and latent syphilis were 58.8%, 51.0%, 11.3%, 6.0%, 1.5% and 0.7%, respectively. Factors independently associated with STI prevalence were inconsistent condom use (adjusted odds ratio (AOR)=1.89, 95% confidence interval (CI) 1.03-3.47, P =0.038) and the last sex partner being a regular partner (AOR=2.35, 95% CI 1.12-4.92, P =0.023).

CONCLUSION:

STI prevalence among TSMSM in Nairobi, Kenya, is disturbingly high, demonstrating urgent need for tailored testing, treatment and prevention interventions for this population.
Subject(s)

Full text: Available Collection: International databases Database: MEDLINE Main subject: Trichomonas Infections / Chlamydia Infections / Gonorrhea / Syphilis / Sexually Transmitted Diseases / Mycoplasma genitalium / Sexual and Gender Minorities / Mycoplasma Infections Type of study: Diagnostic study / Observational study / Prognostic study / Randomized controlled trials Limits: Humans / Male Country/Region as subject: Africa Language: English Journal: Sex Health Journal subject: Sexually Transmitted Diseases Year: 2023 Document Type: Article Affiliation country: SH22114

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Trichomonas Infections / Chlamydia Infections / Gonorrhea / Syphilis / Sexually Transmitted Diseases / Mycoplasma genitalium / Sexual and Gender Minorities / Mycoplasma Infections Type of study: Diagnostic study / Observational study / Prognostic study / Randomized controlled trials Limits: Humans / Male Country/Region as subject: Africa Language: English Journal: Sex Health Journal subject: Sexually Transmitted Diseases Year: 2023 Document Type: Article Affiliation country: SH22114