Trends in, and determinants of, HIV testing at genitourinary medicine clinics and general practice in England, 1990-2000

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Abstract
Objectives: To describe the trends in and determinants of HIV testing and positivity at genitourinary medicine (GUM) clinics and in general practice (GP) in England between 1990 and 2000. Methods: Data on all first HIV specimens from GUM and GP clinics and tested at seven sentinel laboratories were related to key demographic, clinical, and behavioural variables. Results: During the observation period, 202 892 eligible first HIV tests were reported. 90% (182 746) of specimens were from GUM clinics, of which 55% were from heterosexuals, 12% from men who have sex with men (MSM), and 3% from injecting drug users (IDU). In contrast, only 3% of GP specimens were from MSM and 13% from IDUs. The total number of first HIV tests increased threefold between 1990 and 2000. Overall, 1.6% of GUM and 0.9% of GP first testers were diagnosed HIV positive. In GUM clinics, HIV positivity was highest among heterosexuals who have lived in Africa (11.7%), MSM (6.9%), and IDUs (2.8%) and lowest among heterosexuals with no other specified risk (0.3%). Consistently lower prevalences were observed in GP settings. HIV positivity among GUM first testers declined in MSM, from 13.6% in 1990 to 5.2% in 2000 (pConclusions: HIV testing in GUM settings increased over the decade, with a concomitant reduction in HIV positivity among MSM and IDUs. Increased testing among heterosexual first testers overall was not associated with declining positivity.