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Sexual networks and sexually transmitted infections: a tale of two cities.

https://arctichealth.org/en/permalink/ahliterature193200
Source
J Urban Health. 2001 Sep;78(3):433-45
Publication Type
Article
Date
Sep-2001
Author
A M Jolly
S Q Muth
J L Wylie
J J Potterat
Author Affiliation
The Division of STD Prevention and Control, Laboratory Centres for Disease Control, Health Canada, Ottawa, Ontario, Canada. ann_jolly@hc-sc.gc.ca
Source
J Urban Health. 2001 Sep;78(3):433-45
Date
Sep-2001
Language
English
Publication Type
Article
Keywords
Adolescent
Adult
African Continental Ancestry Group
Age Distribution
Chlamydia Infections - epidemiology - transmission
Colorado - epidemiology
Comorbidity
Contact Tracing - methods
Disease Transmission, Infectious
Female
Gonorrhea - epidemiology - transmission
Humans
Indians, North American
Male
Manitoba - epidemiology
Neural Networks (Computer)
Phenotype
Population Surveillance
Risk-Taking
Sex Distribution
Sexual Behavior - statistics & numerical data
Sexual Partners
Sexually Transmitted Diseases - epidemiology - transmission
Social Support
Sociometric Techniques
Abstract
Research on risk behaviors for sexually transmitted infections (STIs) has revealed that they seldom correspond with actual risk of infection. Core groups of people with high-risk behavior who form networks of people linked by sexual contact are essential for STI transmission, but have been overlooked in epidemiological studies. Social network analysis, a subdiscipline of sociology, provides both the methods and analytical techniques to describe and illustrate the effects of sexual networks on STI transmission. Sexual networks of people from Colorado Springs, Colorado, and from Winnipeg, Manitoba, Canada, infected with chlamydia during a 6-month period were compared. In Winnipeg, 442 networks were identified, comprising 571 cases and 663 contacts, ranging in size from 2 to 20 individuals; Colorado Springs data yielded 401 networks, comprising 468 cases and 700 contacts, ranging in size from 2 to 12 individuals. Taking differing partner notification methods and the slightly smaller population size in Colorado Springs into account, the networks from both places were similar in both size and structure. These smaller, sparsely linked networks, peripheral to the core, may form the mechanism by which chlamydia can remain endemic, in contrast with larger, more densely connected networks, closer to the core, which are associated with steep rises in incidence.
Notes
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PubMed ID
11564847 View in PubMed
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