Table 2.

The prevalence of extradyadic sex (EDS) among young adults in opposite-sex marital and cohabiting unions (N = 8301).

	N	No known EDS	Respondent’s EDS	Partner’s EDS	Mutual EDS
All Women	4692	75%	10%m	8%m	8%
All Men	3609	74%	13%w	5%w	8%
Women
Married	3094	78%a	9%m	7%m	6%a
Cohabiting	1598	69%b	10%m	10%m	11%b
Men
Married	2223	77%a	12%wa	5%w	6%a
Cohabiting	1386	69%b	15%wb	6%w	10%b

Source: National Longitudinal Study of Adolescent Health.

Notes: All values are population weighted.

^mSignificantly different from percentage of men with same EDS experience in same union type.

^wSignificantly different from percentage of women with same EDS experience in same union type.

^aSignificantly different from percentage of cohabiters of the same gender with the same EDS experience.

^bSignificantly different from percentage of married people of the same gender with the same EDS experience.