Paternity Uncertainty and Parent–Offspring Conflict Explain Restrictions on Female Premarital Sex across Societies

Human Nature Vol/Iss. 33 Springer Published In Pages: 215-235
By Šaffa, Gabriel, Duda, Pavel, Zrzavý, Jan


Female premarital sex is more likely to be restricted in societies in which marriage involves a gift exchange.


This is a proxy for whether parents control the prevalence of premarital sex. Posterior probability (PP) = 79.42%, b=.31, compatibility interval (CI) = (-.27, .89).


Test NameSupportSignificanceCoefficientTail
Ordered Logistic RegressionSupportedUNKNOWNb=.31UNKNOWN


Variable NameVariable Type OCM Term(s)
Female Premarital SexDependentPremarital Sex Relations
Presence of Gift Exchange in MarriageIndependentMode Of Marriage