Distinctions are commonly made regarding preferences for insertive or receptive anal intercourse within the gay male community. Three sexual self-labels are typically specified: "top," meaning a man who prefers the insertive position, "bottom," meaning a man who prefers the receptive position, and "versatile," meaning a man willing to perform either position. The aim of this study was to examine personality differences among these three groups in gay men in China. We sampled 220 Internet-obtained Chinese gay men on instrumentality, expressiveness, gender-related interests, self-ascribed masculinity- femininity (Self-MF), and Big Five personality traits. Significant differences were found among sexual self-label groups in sexual behavior and in gendered traits and interests. Tops scored higher than the bottoms on instrumentality, gender-related interests, and self-ascribed masculinity-femininity (Self-MF) and bottoms scored higher than tops on expressiveness. Versatiles’ scores in gender-related traits were intermediate between that of tops and bottoms. There were no significant differences in Big Five traits among the three groups. Sexual self-labels appear not only to distinguish sexual behavior patterns but may also suggest gender role differences among Chinese gay men.
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