OTHER NONMARITAL COITUS: EXTRAMARITAL COITUS
Adultery is technically coitus wherein at least one partner is married to someone else. Extramarital coitus, as we define it, differs slightly in that we require that the subject (the person we interviewed) be married at the time. By our definition an unmarried person cannot experience extramarital coitus even though the act constitutes extramarital coitus for the coital partner. Extramarital coitus is coitus had by a married individual with someone other than his or her spouse.
In our earlier volume on males, one of the most interesting findings was that the incidence and frequency of extramarital coitus decreased with age among men in the lower socioeconomic brackets and increased among those in the upper brackets. Knowing, then, that extramarital coitus could be a rather sensitive indicator of social and behavioral differences we hoped that it would also prove useful in differentiating sex-offender and control groups.
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