Distinct behavioral-cognitive typologies exist among men who have sex with men in Hangzhou, with substantial gaps between HIV risk exposure and prevention uptake. A large subgroup characterized by moderate behavioral risk but very low prevention literacy showed minimal PrEP or PEP use. These findings suggest that knowledge alone does not determine prevention utilization and highlight the need for integrated education, low-threshold counseling, and improved service access for underserved men who have sex with men. Linking behavioral-cognitive profiles to prevention outcomes provides actionable evidence for designing targeted and equitable HIV prevention strategies in real-world public health settings.
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Wu et al. (2026) studied this question.
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