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Measures of Sexual Partnerships: Lengths, Gaps, Overlaps and Sexually Transmitted Infection

May 30, 2006

An important determinant in the overall transmission of sexually transmitted infections is the length of time between partnerships ("gap"). In the current study, the authors described the distribution of gaps, lengths, and overlaps among 1,194 Seattle residents who participated in a random-digit dialing survey conducted from 2003 to 2004.

Participants were restricted to those ages 18-39 who were fluent in the English language. The analysis was limited to the 1,051 (88 percent) survey participants who reported ever engaging in vaginal, anal, or oral intercourse and reported information on gaps, lengths, and overlaps.

Fifty-nine percent of observed gaps between partnerships were less than or equal to six months; thus, the majority of participants seeking new partners find a new partner well within the infectious period of chlamydia infection, gonorrhea and syphilis (if untreated), HIV, human papillomavirus, and herpes simplex virus. The authors found this was generally true independent of gender, race, income, or education. However, gap length correlated with age.

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"The observed shorter gap lengths among younger individuals reinforce the need to focus interventions on adolescents and young adults, particularly those with the potential to mix with infected individuals," the researchers concluded.

Back to other news for May 30, 2006

Adapted from:
Sexually Transmitted Diseases
04.06; Vol. 34; No. 4: P. 209-214; Betsy Foxman, Ph.D.; Mark Newman, Ph.D.; Bethany Percha, B.S.; King K. Holmes, M.D., Ph.D.; Sevgi O. Aral, Ph.D.


  
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This article was provided by CDC National Prevention Information Network. It is a part of the publication CDC HIV/Hepatitis/STD/TB Prevention News Update.
 
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