Journal article

Anorectal swabs as a marker of male-to-male sexual exposure in STI surveillance systems

FH Ampt, C El Hayek, PA Agius, AL Bowring, N Bartnik, C Van Gemert, CK Fairley, EPF Chow, CS Bradshaw, N Stephens, MSC Lim, ME Hellard

EPIDEMIOLOGY AND INFECTION | CAMBRIDGE UNIV PRESS | Published : 2017

Abstract

Identification of priority populations such as men who have sex with men (MSM) is important in surveillance systems to monitor trends of sexually transmitted infections (STIs). We explored using routinely collected non-behavioural data as a means to establish MSM status in surveillance by assessing anorectal swab as a marker of male-to-male sexual exposure. We used chlamydia testing data from a sexual health clinic, 2007-2012. Men reporting any male sexual partner(s) in the previous 12 months were considered MSM. The dataset was split into development and validation samples to develop a univariate predictive model and assess the model fit. The dataset included 30 358 individual men and 48 55..

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Funding Acknowledgements

The authors gratefully acknowledge the patients and participating laboratories and clinics for providing data for the Victorian Primary Care Network for Sentinel Surveillance on Blood Borne Viruses and STIs (VPCNSS). The VPNSS is managed at the Burnet Institute and is in collaboration with the Victorian Infectious Diseases Reference Laboratory and Melbourne Sexual Health Centre. This work was supported by the Victorian Department of Health and Human Services. The VPCNSS has significant ongoing support from surveillance officers at the Burnet Institute. They gratefully acknowledge the contribution to this work of the Victorian Operational Infrastructure Support Program received by the Burnet Institute.