Re-testing for chlamydia at sexual health services in Australia, 2004 - 08

Author:

Guy Rebecca,Wand Handan,Franklin Neil,Fairley Christopher K.,Chen Marcus Y.,O'Connor Catherine C.,Marshall Lewis,Grulich Andrew E.,Kaldor John M.,Hellard Margaret,Donovan Basil,on behalf of the ACCESS Collaboration

Abstract

Objective To describe the frequency of the 3-month test for re-infection among sexual health service patients in Australia. Methods: We assessed the re-testing rates at 30–120 days after chlamydia infection in men who have sex with men (MSM), heterosexual males and females attending sexual health services across Australia between 2004 and 2008. A χ2-test was used to determine significant differences in re-testing rates according to demographic characteristics and trends over time. Results: In the 5-year period, 10 207 MSM, 28 530 heterosexual males and 31 190 heterosexual females were tested for chlamydia. Of those tested, 9057 (13.0%) were positive. The proportion of patients with chlamydia infection who were re-tested in 30–120 days was 8.6% in MSM, 11.9% in heterosexual males and 17.8% in heterosexual females. Among MSM, chlamydia re-testing rates were lower in men aged <30 years (8.4%) than ≥30 years (12.5%) (P = 0.04) and lower in travellers and migrants (2.9%) than non-travellers (9.9%) (P = 0.002). In heterosexual males, chlamydia re-testing rates were lower in men in regional and rural areas (10.5%) than metropolitan areas (13.5%) (P = 0.017). There was no increasing trend in re-testing rates between 2004 and 2008 (P = 0.787). Of the patients re-tested, 44.1% of MSM were positive, 21.0% of heterosexual males and 16.1% of females. Discussion: The high chlamydia positivity at 30–120 days support recommendations that call for a 3-month test for re-infection following a positive test. The low re-testing rates highlight the need for innovative strategies to increase re-testing.

Publisher

CSIRO Publishing

Subject

Infectious Diseases,Public Health, Environmental and Occupational Health

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