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Assortative sexual mixing patterns in malefemale and malemale partnerships in Melbourne, Australia: implications for HIV and sexually transmissible infection transmission

Assortative sexual mixing patterns in malefemale and malemale partnerships in Melbourne,... Background: Assortative mixing patterns have become a new and important focus in HIV/sexually transmissible infection (STI) research in recent years. There are very limited data on sexual mixing patterns, particularly in an Australian population. Methods: Malefemale and malemale partnerships attending the Melbourne Sexual Health Centre (MSHC) between 2011 and 2014 were included. Correlation of age between two individuals within a partnership was examined by using Spearmans rank correlation. The Newmans assortativity coefficient was used as an aggregate quantitative measurement of sexual mixing for number of partners and condom use. Results: 1165 malefemale and 610 malemale partnerships were included in the analysis. There was a strong positive correlation of age in both malefemale (rho=0.709 P<0.001) and malemale partnerships (rho=0.553 P<0.001). The assortative mixing pattern for number of partners was similar in malefemale (r=0.255 95% CI: 0.2210.289) and malemale partnerships (r=0.264 95% CI: 0.2180.309). There was a stronger assortative mixing pattern for condom use in malemale (r=0.517, 95% CI: 0.4650.569) compared with malefemale (r=0.382 95% CI: 0.3530.412) partnerships. Conclusion: Malefemale and malemale partnerships have a high assortativity mixing pattern for age, number of partners and condom use. The sexual mixing pattern is not purely assortative, and hence it may lead to increased HIV and STI transmission in certain risk groups. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Sexual Health CSIRO Publishing

Assortative sexual mixing patterns in malefemale and malemale partnerships in Melbourne, Australia: implications for HIV and sexually transmissible infection transmission

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References (17)

Publisher
CSIRO Publishing
Copyright
Copyright © The Author(s). Published by CSIRO Publishing
ISSN
1448-5028
eISSN
1449-8987
DOI
10.1071/SH16055
pmid
28636867
Publisher site
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Abstract

Background: Assortative mixing patterns have become a new and important focus in HIV/sexually transmissible infection (STI) research in recent years. There are very limited data on sexual mixing patterns, particularly in an Australian population. Methods: Malefemale and malemale partnerships attending the Melbourne Sexual Health Centre (MSHC) between 2011 and 2014 were included. Correlation of age between two individuals within a partnership was examined by using Spearmans rank correlation. The Newmans assortativity coefficient was used as an aggregate quantitative measurement of sexual mixing for number of partners and condom use. Results: 1165 malefemale and 610 malemale partnerships were included in the analysis. There was a strong positive correlation of age in both malefemale (rho=0.709 P<0.001) and malemale partnerships (rho=0.553 P<0.001). The assortative mixing pattern for number of partners was similar in malefemale (r=0.255 95% CI: 0.2210.289) and malemale partnerships (r=0.264 95% CI: 0.2180.309). There was a stronger assortative mixing pattern for condom use in malemale (r=0.517, 95% CI: 0.4650.569) compared with malefemale (r=0.382 95% CI: 0.3530.412) partnerships. Conclusion: Malefemale and malemale partnerships have a high assortativity mixing pattern for age, number of partners and condom use. The sexual mixing pattern is not purely assortative, and hence it may lead to increased HIV and STI transmission in certain risk groups.

Journal

Sexual Health – CSIRO Publishing

Published: Jul 29, 2016

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