. Author manuscript; available in PMC: 2019 Dec 30.

Published in final edited form as: Sex Transm Dis. 2018 May;45(5):337–342. doi: 10.1097/OLQ.0000000000000762

TABLE 1.

Selected NHANES Sexual Behavior Data Variable Names and Descriptions, 1999 to 2014

Survey Cycle	Have You Ever Had Sex?	Have You Ever Had Sex With a Man?^*	Male Partners, Lifetime	Male Partners, past 12 mo

1999–2000	SXQ020 Have you ever had sex?	Not available	SXQ200 In your lifetime, with how many men have you had sex?	SXQ220 In the past 12 mo, with how many men have you had sex?
2001–2002
2003–2004
2005–2006	SXQ021 Have you ever had vaginal, anal, or oral sex?		SXQ410 In your lifetime, with how many males have you had anal or oral sex?	SXQ550 In the past 12 mo, with how many males have you had anal or oral sex?
2007–2008	SXQ021 Have you ever had vaginal, anal, or oral sex?
2009–2010	SXD021^† Have you ever had vaginal, anal, or oral sex?	SXQ809 Have you ever had any kind of sex with a man, including oral or anal?
2011–2012	SXD021^† Have you ever had vaginal, anal, or oral sex?
2013–2014

Introduced in the 2009–2010 survey cycle.

^†

Derived from whether or not the respondent reported having any of the specific types of sex (vaginal, anal, oral) with a man or a woman.