Spicknall Ian H, Aral Sevgi O, Holmes King K, Foxman Betsy
Department of Epidemiology, University of Michigan, Ann Arbor, Michigan 48109-2029, USA.
Sex Transm Dis. 2009 Aug;36(8):465-72. doi: 10.1097/OLQ.0b013e3181a31e4c.
To better understand how and how often individuals bridge demographic groups in their sex partnerships, and to describe the epidemiologic characteristics of bridging and associations with history of sexually transmitted infection (STI).
We describe the frequency of different hypothetical sexual bridging types among men and women aged 18 to 39 participating in a random digit dialing survey conducted in 2003 to 2004, and the associations of bridging behavior with risk factors for and self-reported history of STI.
Of the 1013 participants who described their 2 most recent sexual partnerships, 753 (74%), were classified as a bridge of some type. Education bridges were most prevalent (46%), followed by spatial (34%), age (29%), race (24%), and gender bridges (3%).
Sexual networks are diverse and complex, and there are multiple potential paths for infection flow.
更好地了解个体在其性伴侣关系中跨越人口统计学群体的方式及频率，并描述跨越行为的流行病学特征以及与性传播感染（STI）病史的关联。
我们描述了2003年至2004年参与随机数字拨号调查的18至39岁男性和女性中不同假设性跨越类型的频率，以及跨越行为与性传播感染的危险因素和自我报告病史之间的关联。
在描述其最近两次性伴侣关系的1013名参与者中，753人（74%）被归类为某种类型的跨越。教育程度跨越最为普遍（46%），其次是空间跨越（34%）、年龄跨越（29%）、种族跨越（24%）和性别跨越（3%）。
性网络多样且复杂，存在多种潜在的感染传播途径。
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