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Chlamydia retesting and retest positivity rates: results from a state-wide laboratory data linkage study in Tasmania, 2012-13

Stephens, N, Coleman, D, Shaw, K, O'Sullivan, M, McGregor, A, Cooley, L and Venn, A ORCID: 0000-0001-7090-1398 2017 , 'Chlamydia retesting and retest positivity rates: results from a state-wide laboratory data linkage study in Tasmania, 2012-13' , Sexual Health, vol. 14, no. 3 , pp. 261-267 , doi: 10.1071/SH16137.

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Abstract

Background: Chlamydia re-infection increases the likelihood of adverse long-term sequelae. Clinical guidelines recommend retesting at 3-12 months for individuals with positive results, to detect re-infections. Retesting and test positivity levels were measured in young people who previously tested positive for chlamydia infection.Methods: All chlamydia tests conducted during 2012-13 in Tasmanian residents aged 15-29 years were linked. Retesting and retest positivity rates were calculated by sex, age, socioeconomic indicators and test timeframe.Results: Retesting rates were higher in females than males at 3 months (14.5%, n=242/1673 vs 10%, n=71/721) (PP=0.24). The retesting rate was higher in females living in areas of most disadvantage (35.5%, 154/434) compared with areas of middle and least disadvantage (26% 139/534) (PPP=0.27) and most (27%, 10/37) (P=0.09); and higher in females living in areas of least disadvantage (39%, 7/18) compared with middle (24%, 29/121) (PP=0.02).Conclusions: Retesting rates are low in Tasmania and retest positivity is high, reinforcing the importance of promoting safer sex practices, partner notification and treatment, and retesting.

Item Type: Article
Authors/Creators:Stephens, N and Coleman, D and Shaw, K and O'Sullivan, M and McGregor, A and Cooley, L and Venn, A
Journal or Publication Title: Sexual Health
Publisher: CSIRO Publishing
ISSN: 1449-8987
DOI / ID Number: 10.1071/SH16137
Copyright Information:

Copyright 2017 CSIRO

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