BMJ：男性是否愿意用避孕套取决于性伴侣有多性感
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众所周知，避孕套并不会受到所有人的喜爱。但最新的一项研究表明：对于直男来说，在进行性行为的过程中是否使用安全套取决于对方有多“性感”，而不是对患性病有多敏感。
没错，这项研究表明男性遇到的性伴侣如果越性感，那么他们采取保护性措施的可能性就越低，尽管对方有可能患有性病。
当然，研究者们仅仅调查了51名年龄在19到61岁之间的异性恋男性，因此该研究的规模很小，难以代表在整个群体中的趋势。
但这一发现证实了以往的很多研究：性伴侣的性感程度往往会决定其是否发生性行为，或在性行为时是否进行安全措施，这一现象在两性中都有体现。
该研究的目的在于探究人们在进行偶发性性行为时是否会使用安全套，希望这一结果能够促使人们提高性安全意识。目前，性病在美国、英国以及澳大利亚的传播速率都在不断提升，需要引起人们的警觉。
来自英国南安普顿大学以及布里斯托尔大学的研究者们调查了51名男性志愿者的性生活态度，包括第一次发生性行为的时间（通常为18岁），性伴侣的数量（0-60，平均为9人）。
参与者们之后被要求观察20名女性的画像，之后回答下列问题：
1. 将上述女性的性感程度进行排序；
2. 如果你是单身，那么你对这名女性发生性行为的可能性有多大？
3. 如果你将要与这名女性发生性关系，是否会使用安全套？
4. 你认为这名女性患性病的可能性有多大？
结果显示，面对越吸引人的女性，男性选择使用安全套的几率会越低；
但在男性的心目中女性的吸引程度以及可能发生性行为的几率都不会影响男性心目中该名女性患有性病的风险。
“事实上，一些男性对于患性病风险较高的女性十分感兴趣，另外一些男性则持相反的态度”。
尽管如此，所有男性在面对性感的性伴侣是都倾向于不使用安全套。
虽然该研究的规模较小，但这些发现能够帮助科学家们进一步理解人们在偶发性行为时是否选择使用安全套时脑袋中的想法。
除此之外，至少科学家们能够致力于开发一种舒适度更高的安全套，因为安全毕竟是第一位的事情。
生物谷推荐原文阅读：Mens' willingness to use condoms might depend on how hot their partner is
Does attractiveness influence condom use intentions in heterosexual men? An experimental study
Anastasia Eleftheriou, Seth Bullock, Cynthia A Graham, Nicole Stone, Roger Ingham
Objectives Judgements of attractiveness have been shown to influence the character of social interactions. The present study sought to better understand the relationship between perceived attractiveness, perceived sexual health status and condom use intentions in a heterosexual male population.
Setting The study employed an electronic questionnaire to collect all data, during face-to-face sessions.
Participants 51 heterosexual, English-speaking men aged between 18 and 69 years.
Outcome measures Men were asked to rate the attractiveness of 20 women on the basis of facial photographs, to estimate the likelihood that each woman had a sexually transmitted infection (STI) and to indicate their willingness to have sex with or without a condom with each woman.
Results The more attractive a woman was judged to be on average, the more likely participants would be willing to have sex with her (p<0.0001) and the less likely they were to intend to use a condom during sex (p<0.0001). Multivariate analysis revealed that higher condom use intentions towards a particular woman were associated with lower ratings of her attractiveness (p<0.0005), higher ratings of her STI likelihood (p<0.0001), the participant being in an exclusive relationship (p=0.002), having a less satisfactory sex life (p=0.015), lower age (p=0.001), higher number of sexual partners (p=0.001), higher age at first intercourse (p=0.002), higher rates of condomless sex in the last 12 months (p<0.043) and lower confidence in their ability to assess whether or not a woman had an STI (p=0.001). The more attractive a participant judged himself to be, the more he believed that other men like him would engage in condomless sex (p=0.001) and the less likely he was to intend to use a condom himself (p=0.02).
Conclusions Male perceptions of attractiveness influence their condom use intentions; such risk biases could profitably be discussed during sex education sessions and in condom use promotion interventions.
