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Partnership concurrency and coital frequency.

Lauren Gaydosh¹, Georges Reniers, Stéphane Helleringer

¹Office of Population Research and Department of Sociology, Princeton University, 227 Wallace Hall, Princeton, NJ 08544, USA. lgaydosh@princeton.edu

AIDS and Behavior

|May 23, 2013

Summary

Partnership concurrency may dilute sexual frequency, potentially impacting HIV transmission dynamics. This study found partial support for the coital dilution hypothesis in rural Malawi and urban Kenya.

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Area of Science:

Epidemiology
Public Health
Behavioral Science

Background:

HIV prevalence varies significantly across sub-Saharan Africa.
Factors influencing HIV transmission include male circumcision, condom use, STIs, and concurrent partnerships.
The impact of concurrency on HIV transmission may be mediated by effects on coital frequency.

Purpose of the Study:

To investigate the relationship between partnership concurrency and coital frequency.
To test the coital dilution hypothesis in the context of HIV transmission.

Main Methods:

Analysis of sexual behavior data from rural Malawi and urban Kenya.
Statistical examination of the correlation between the number of concurrent partners and coital frequency within partnerships.

Main Results:

Partial support was found for the coital dilution hypothesis.
Increased partnership concurrency was associated with decreased coital frequency per partnership.

Conclusions:

Partnership concurrency may influence HIV transmission by altering coital frequency.
Findings contribute to understanding the complex dynamics of HIV spread in sub-Saharan Africa.