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Measuring concurrent partnerships: potential for underestimation in UNAIDS recommended method.

Brendan Maughan-Brown¹, Atheendar S Venkataramani

¹Southern Africa Labour and Development Research Unit, University of Cape Town, South Africa. brendan.maughanbrown@gmail.com

AIDS (London, England)

|May 28, 2011

Summary

Measuring concurrent sexual partnerships accurately is challenging. A recommended method may underestimate concurrency because young adults in Cape Town, South Africa, often fail to report all sexual partners.

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Area of Science:

Epidemiology
Public Health
Sociology

Background:

Accurate measurement of concurrent sexual partnerships is crucial for understanding disease transmission.
Existing methods for measuring concurrency have limitations, leading to inconsistent and inaccurate data.
A UNAIDS working group proposed a partner history method to improve concurrency measurement.

Purpose of the Study:

To evaluate the effectiveness of the UNAIDS recommended partner history method for measuring concurrent sexual partnerships.
To assess potential underestimation of concurrency using this method in a specific population.

Main Methods:

Utilized recent survey data from young adults in Cape Town, South Africa.
Applied the recommended sexual partner history method to analyze concurrency.
Compared reported partner numbers to identify potential reporting biases.

Main Results:

The partner history method, while an improvement, can still lead to underestimates of concurrency.
Failure to report additional sexual partners by respondents significantly impacts accuracy.
This underestimation is particularly relevant for young adults in the study setting.

Conclusions:

The recommended partner history method may not fully capture the extent of concurrent sexual partnerships.
Further refinement of measurement tools is needed to address underreporting issues.
Findings highlight the need for improved survey methodologies in public health research on sexual networks.