Behavioral Determinants of Asymptomatic Chlamydia and Gonorrhea Among People Living With HIV in Thailand: A Cross-sectional Study.

Authors

Supalak Phonphithak, Phenpanat Toomcharoen, Chuleeporn Wongvoranet, Thanawat Nochaiwong, Anchalee Avihingsanon

Published in

The Journal of the Association of Nurses in AIDS Care : JANAC. Oct 12, 2026. Epub Oct 12, 2026.

Abstract

Asymptomatic sexually transmitted infections (STIs), particularly Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG), remain common among people living with HIV (PLHIV). To determine the prevalence of asymptomatic CT/NG infections and identify associated behavioral factors among PLHIV using Pender's Health Promotion Model, our cross-sectional study included 657 asymptomatic PLHIV enrolled in an ongoing cohort at a HIV research center in Bangkok, Thailand. Participants underwent CT/NG nucleic acid amplification testing and completed behavioral questionnaires. Modified Poisson regression estimated adjusted prevalence ratios. CT-only, NG-only, and dual CT/NG infections were identified in 12.2%, 6.8%, and 3.0% of participants, respectively. Overall, 16.0% had at least one asymptomatic infection. Younger age, prior STI history, and condom slippage were associated with CT/NG infection, whereas younger age and injection drug use were associated with dual infection. Routine extragenital STI screening and behavioral risk assessment should be integrated into HIV care.

PMID:
42861880
Bibliographic data and abstract were imported from PubMed on 12 Oct 2026.

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