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Increased HIV testing and reduced undiagnosed infection among gay men in Scotland, 2005–8: support for the opt-out testing policy?
  1. Lisa M McDaid1,
  2. Graham J Hart2
  1. 1MRC/CSO Social and Public Health Sciences Unit, Glasgow, UK
  2. 2Centre for Sexual Health and HIV Research, Research Department of Infection and Population Health, University College London, London, UK
  1. Correspondence to Dr Lisa M McDaid, MRC/CSO Social and Public Health Sciences Unit, 4 Lilybank Gardens, Glasgow G12 8RZ, UK; l.mcdaid{at}sphsu.mrc.ac.uk

Abstract

Objective To examine changes in HIV testing and undiagnosed infection among men who have sex with men in Scotland between 2005 and 2008.

Methods Self-completed questionnaires and Orasure oral fluid collection kits were distributed to men visiting the commercial gay scene in Glasgow and Edinburgh.

Results Questionnaires and oral fluid specimens were provided by 1350 men (51.6% response rate) in 2005 and 1277 (59.7% response rate) in 2008. 2572 men were eligible for inclusion in the analyses. Recent HIV testing increased from 33.2% in 2005 to 48.3% in 2008 (p<0.001). HIV prevalence was comparable in 2005 and 2008 (4.4% and 4.6%, respectively). Among HIV-positive men, there was a reduction in undiagnosed infection between 2005 and 2008 from 41.7% to 26.3% (p=0.08). Undiagnosed HIV did not differ between men who were and were not tested in the past year. In 2008, only four (26.7%) HIV-positive men tested in the past 6 months were undiagnosed, compared with 11 (42.3%) HIV-positive men who had not tested (p=0.03).

Conclusion There was a substantial increase in recent HIV testing between 2005 and 2008. Although there was a concurrent (non-significant) reduction in undiagnosed HIV, there was no difference in undiagnosed infection between men who had and had not tested recently. However, lower proportions of undiagnosed infection among the most recent HIV-positive testers suggest frequent testing could play a role in reducing undiagnosed HIV and should remain central to HIV prevention efforts.

  • Gay men
  • HIV
  • HIV testing
  • men who have sex with men
  • opt-out testing
  • prevalence
  • undiagnosed infection

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Footnotes

  • Funding This study was funded by the UK Medical Research Council.

  • Competing interests None.

  • Ethics approval This study was conducted with the approval of the University of Glasgow Faculty of Medicine Ethics Committee.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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