Attitudes toward and prevalence of extramarital sex and descriptions of extramarital partners in the 21st century.

Using the most recent nine waves of data from the General Social Survey, which consists of in-person interviews of independent probability samples of the adult household population of the United States, the purposes of this study were to (a) provide descriptive information on adults' attitudes toward extramarital sex, lifetime and annual prevalence of extramarital sex among ever-married adults, and the identity of the extramarital sex partner(s)...