PMID: 26833001Feb 3, 2016Paper

Research on the digit ratio of fixed partner and the multi-partner men who have sex with men

Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]
Caixia LiLin Lu

Abstract

To investigate the digit ratio of men who have sex with men (MSM), and the relationship between digit ratio and the partner types of MSM. Participants were required from Yunnan Rainbow Sky, a community organization that specialized in HIV testing, intervention and counseling services for MSM between December 2014 and April 2015. Inclusion criteria of MSM as the following: more than 18 years old; men who have had sex with men; HIV test was negative. Exclusion criteria were as this: those who couldn't attend the research due to disability. Eventually, there were 115 MSM participated in the research. According to the nationality, we adopted 1:1 matched case-control study, and we selected 115 men as control group. According to the partner number of MSM, the MSM were divided into two groups. One group was fixed partner and another was multi-partner. We used a questionnaire to collect the demographic characteristics, knowledge about HIV/AIDS, sexual behaviors during nearly 6 months, sexual orientation, the places where looked for sex partners, sex roles, drug use, preventive services etc. Then, the physical measurements were used to measure the length from second to the fifth finger in MSM group and control group. The results were ex...Continue Reading

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