Do assortative preferences contribute to assortative mating for adiposity?
Do assortative preferences contribute to assortative mating for adiposity?
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DOI：
10.1111/bjop.12055
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发表时间：
2014-11
期刊：
影响因子：
--
通讯作者：
Jones BC
中科院分区：
文献类型：
--
作者：
Fisher CI;Fincher CL;Hahn AC;Little AC;DeBruine LM;Jones BC
由于伴侣的肥胖水平对生育能力和/或后代健康的综合影响，伴侣的肥胖水平往往与肥胖水平呈正相关，因此对人口健康有影响。尽管对肥胖线索的分类偏好，即瘦的人天生更容易被瘦的人吸引，已经被提出作为肥胖分类交配的一个因素，但还没有对这个问题的直接测试。正因为如此，也因为最近的研究表明，面部肥胖暗示传达了关于他人健康的信息，这可能对伴侣偏好特别重要，我们测试了面部肥胖暗示的分类偏好对肥胖的分类交配的贡献（通过体重指数，BMI评估）。恋人的身体质量指数呈正相关，这种相关性不是由于年龄或关系持续时间的影响。然而，尽管拥有较瘦伴侣的男性和女性对低肥胖水平的线索表现出更强的偏好，但控制这些偏好并没有削弱伴侣bmi之间的相关性。事实上，自己的身体质量指数和偏好是不相关的。这些结果表明，对面部肥胖线索的分类偏好对肥胖的分类交配贡献很小（如果有的话）。
Assortative mating for adiposity, whereby levels of adiposity in romantic partners tend to be positively correlated, has implications for population health due to the combined effects of partners' levels of adiposity on fertility and/or offspring health. Although assortative preferences for cues of adiposity, whereby leaner people are inherently more attracted to leaner individuals, have been proposed as a factor in assortative mating for adiposity, there have been no direct tests of this issue. Because of this, and because of recent work suggesting that facial cues of adiposity convey information about others' health that may be particularly important for mate preferences, we tested the contribution of assortative preferences for facial cues of adiposity to assortative mating for adiposity (assessed from body mass index, BMI) in a sample of romantic couples. Romantic partners' BMIs were positively correlated and this correlation was not due to the effects of age or relationship duration. However, although men and women with leaner partners showed stronger preferences for cues of low levels of adiposity, controlling for these preferences did not weaken the correlation between partners' BMIs. Indeed, own BMI and preferences were uncorrelated. These results suggest that assortative preferences for facial cues of adiposity contribute little (if at all) to assortative mating for adiposity.
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