Demographic and geographical risk factors for gonorrhoea and chlamydia in greater Western Sydney, 2003-2013

Notification rates of sexually transmitted infections (STIs) have increased in New South Wales as elsewhere in Australia. Understanding trends in chlamydia and gonorrhoea notifications at smaller geographical areas may assist public health efforts to deliver targeted STI interventions. Routinely col...

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Veröffentlicht in:Communicable diseases intelligence 2017-06, Vol.41 (2), p.E134-E141
Hauptverfasser: Gale, Marianne, Hayen, Andrew, Truman, George, Varma, Rick, Forssman, Bradley L, MacIntyre, C Raina
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container_issue 2
container_start_page E134
container_title Communicable diseases intelligence
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creator Gale, Marianne
Hayen, Andrew
Truman, George
Varma, Rick
Forssman, Bradley L
MacIntyre, C Raina
description Notification rates of sexually transmitted infections (STIs) have increased in New South Wales as elsewhere in Australia. Understanding trends in chlamydia and gonorrhoea notifications at smaller geographical areas may assist public health efforts to deliver targeted STI interventions. Routinely collected disease notification data from 2 local health districts within the greater Western Sydney area were analysed. De-identified notifications of gonorrhoea and chlamydia were extracted for people aged over 15 years during the period 1 January 2003 to 31 December 2013. Sex-specific and age-specific population notification rates for each infection were calculated. Incidence rate ratios were also calculated with age group, sex, year and local government area (LGA) of residence as explanatory variables. Rates of gonorrhoea and chlamydia increased among males and females over the period. Males had a 4-fold increased risk of gonorrhoea (P
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Understanding trends in chlamydia and gonorrhoea notifications at smaller geographical areas may assist public health efforts to deliver targeted STI interventions. Routinely collected disease notification data from 2 local health districts within the greater Western Sydney area were analysed. De-identified notifications of gonorrhoea and chlamydia were extracted for people aged over 15 years during the period 1 January 2003 to 31 December 2013. Sex-specific and age-specific population notification rates for each infection were calculated. Incidence rate ratios were also calculated with age group, sex, year and local government area (LGA) of residence as explanatory variables. Rates of gonorrhoea and chlamydia increased among males and females over the period. Males had a 4-fold increased risk of gonorrhoea (P&lt;0.0001). Compared with the 30-44 years age group, young people aged 15-29 years had a 70% increased risk of gonorrhoea and a 4-fold increased risk of chlamydia (P values &lt; 0.0001). Chlamydia notifications demonstrated smaller and more uniform annual increases across LGAs compared with gonorrhoea notifications, which appeared more highly clustered. Analysis of notification rates of chlamydia and gonorrhoea in the greater Western Sydney area suggest that young people aged 15-29 years and residents of particular LGAs are at greater risk of infection. A limitation was the unknown effect of patterns of testing. 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Compared with the 30-44 years age group, young people aged 15-29 years had a 70% increased risk of gonorrhoea and a 4-fold increased risk of chlamydia (P values &lt; 0.0001). Chlamydia notifications demonstrated smaller and more uniform annual increases across LGAs compared with gonorrhoea notifications, which appeared more highly clustered. Analysis of notification rates of chlamydia and gonorrhoea in the greater Western Sydney area suggest that young people aged 15-29 years and residents of particular LGAs are at greater risk of infection. A limitation was the unknown effect of patterns of testing. 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source MEDLINE; EZB-FREE-00999 freely available EZB journals
subjects Adolescent
Adult
Age Distribution
Age Factors
Chlamydia Infections - diagnosis
Chlamydia Infections - epidemiology
Chlamydia Infections - transmission
Disease Notification - statistics & numerical data
Female
Geography
Gonorrhea - diagnosis
Gonorrhea - epidemiology
Gonorrhea - transmission
Humans
Incidence
Male
Middle Aged
New South Wales - epidemiology
Risk
Sex Factors
title Demographic and geographical risk factors for gonorrhoea and chlamydia in greater Western Sydney, 2003-2013
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