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. 2025 May;29(5):1590-1597.
doi: 10.1007/s10461-025-04629-7. Epub 2025 Feb 3.

Short-Term Mobility and Risky Sexual Behaviors Among Men Who Have Sex with Men in Guangdong, China

Mengting Liu #  1 , Xinran Jiang #  1 , Jun Liu  2 , Shilan Xie  2 , Bo Zhang  1 , Tiantian Fu  1 , Zhikang Li  1 , Yongheng Lu  3 , Jie Lu  3 , Fang Yang  4 , Xiaobing Fu  5 , Jinghua Li  6   7   8
Affiliations

Short-Term Mobility and Risky Sexual Behaviors Among Men Who Have Sex with Men in Guangdong, China

Mengting Liu et al. AIDS Behav. 2025 May.

Abstract

This study investigated regional differences in short-term mobility patterns among men who have sex with men (MSM) in Guangdong Province, and explored the associations with risky sexual behaviors. An online survey was conducted from June to August 2023, collecting socio-demographic information, intra-provincial mobility details and sexual behaviors. Among 1,808 participants, 60% reported moving within the province over the past six months, primarily for tourism, business/work, or visiting family and friends. Participants were categorized into Pearl River Delta (PRD) and Non-Pearl River Delta (Non-PRD) regions. Significant differences in education level and income were observed between mobile and non-mobile MSM in both areas (p < 0.05). Logistic regression revealed that mobile MSM, relative to non-mobile MSM, were more likely to engage in risky sexual behaviors, with adjusted odds ratios (aORs) for multiple partners, commercial sex, and sexualized drug use ranging from 1.44 to 2.96 in PRD and 2.67 to 4.44 in Non-PRD. Additionally, associations between mobility and behaviors such as having casual partners, group sex, and inconsistent condom use with casual partners were exclusively identified in Non-PRD. These findings indicate that mobility among MSM in Guangdong Province is substantial and follows similar patterns in both regions. Mobile MSM exhibit higher rates of risky sexual behaviors, with notable regional disparities. Addressing the impact of short-term mobility on risky sexual behaviors among MSM is crucial, considering regional variations.

Keywords: HIV; MSM; Risky sexual behaviors; Short-term mobility.

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Conflict of interest statement

Declarations. Ethical Approval: Ethical approval was obtained from the Ethics Committee of Sun Yat-sen University ([2023] 025). Consent to Participate: Informed consent was obtained from all participants before the survey started. Competing Interests: The authors declare no conflict of interest.

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