Partner wealth predicts self-reported orgasm frequency in a sample of Chinese women
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Fig. 1
Relationship between partner income and self-reported orgasm frequency illustrated in two ways. (A) Mean and 95% confidence interval values of partner income for women reporting different frequencies of orgasm. (B) Proportion of women reporting orgasm frequency as “never” or “always” by quartile of partner income.
Abstract
There has been considerable speculation about the adaptive significance of the human female orgasm, with one hypothesis being that it promotes differential affiliation or conception with high-quality males. We investigated the relationship between women's self-reported orgasm frequency and the characteristics of their partners in a large representative sample from the Chinese Health and Family Life Survey. We found that women report more frequent orgasms the higher their partner's income is. This result cannot be explained by possible confounds such as women's age, health, happiness, educational attainment, relationship duration, wealth difference between the partners, difference between the partners in educational attainment, and regional location. It appears consistent with the view that female orgasm has an evolved adaptive function.
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