The levonorgestrel intrauterine device in Australia: analysis of prescribing data 2008–2012

Abstract Background Unplanned pregnancy is a significant problem in Australia. Local data pertaining to use of the levonorgestrel-releasing intra-uterine device (LNG-IUD), and associated factors are limited. The aim of this analysis was to calculate prescribing rates of the LNG-IUD in Australia, inc...

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Main Authors: Amie L. Bingham, Cameryn C. Garrett, Christine Bayly, Anne M. Kavanagh, Louise A. Keogh, Rebecca J. Bentley, Jane S. Hocking
Format: Article
Language:English
Published: BMC 2018-11-01
Series:BMC Women's Health
Online Access:http://link.springer.com/article/10.1186/s12905-018-0680-3
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author Amie L. Bingham
Cameryn C. Garrett
Christine Bayly
Anne M. Kavanagh
Louise A. Keogh
Rebecca J. Bentley
Jane S. Hocking
author_facet Amie L. Bingham
Cameryn C. Garrett
Christine Bayly
Anne M. Kavanagh
Louise A. Keogh
Rebecca J. Bentley
Jane S. Hocking
author_sort Amie L. Bingham
collection DOAJ
description Abstract Background Unplanned pregnancy is a significant problem in Australia. Local data pertaining to use of the levonorgestrel-releasing intra-uterine device (LNG-IUD), and associated factors are limited. The aim of this analysis was to calculate prescribing rates of the LNG-IUD in Australia, including trends in prescribing and associations with socio-demographic factors, in order to increase understanding regarding potential use. Methods We examined prescriptions for the LNG-IUD recorded in the national Pharmaceutical Benefits Scheme (PBS) from 2008 to 2012. Prescribing trends were examined according to patient age, remoteness of residential location, and proximity to relevant specialist health services. Associations between these factors and prescription rates were examined using poisson regression. Analyses were stratified by 5-year age-groups. Results Age-adjusted prescription rates rose from 11.50 per 1000 women aged 15–49 (95% CI: 11.41–11.59) in 2008 to 15.95 (95% CI:15.85–16.01) in 2012. Prescription rates increased most among 15–19-year-olds but remain very low at 2.76 per 1000 women (95% CI: 2.52–3.01). Absolute increases in prescriptions were greatest among 40–44-year-olds, rising from 16.73 per 1000 women in 2008 (95% CI: 16.12–17.34) to 23.77 in 2012 (95% CI: 22.58–24.29). Rates increased significantly within all geographical locations (p < 0.01). Non-metropolitan location was significantly associated with increased prescribing rates, the association diminishing with increasing age groups. Conclusions Prescription of LNG-IUD in Australia is very low, especially among young women and those in major cities. Service providers and young women may benefit from targeted education outlining use of the LNG-IUD, strengthened training and referral pathways. Disparities in prescription according to location require further investigation.
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spelling doaj.art-c966804c397e447c9733ed106a7105862022-12-22T03:48:42ZengBMCBMC Women's Health1472-68742018-11-011811710.1186/s12905-018-0680-3The levonorgestrel intrauterine device in Australia: analysis of prescribing data 2008–2012Amie L. Bingham0Cameryn C. Garrett1Christine Bayly2Anne M. Kavanagh3Louise A. Keogh4Rebecca J. Bentley5Jane S. Hocking6Centre for Health Equity, Melbourne School of Population & Global Health, University of MelbourneCentre for Health Equity, Melbourne School of Population & Global Health, University of MelbourneThe Royal Women’s HospitalCentre for Health Equity, Melbourne School of Population & Global Health, University of MelbourneCentre for Health Equity, Melbourne School of Population & Global Health, University of MelbourneCentre for Health Equity, Melbourne School of Population & Global Health, University of MelbourneCentre for Epidemiology & Biostatistics, Melbourne School of Population & Global Health, University of MelbourneAbstract Background Unplanned pregnancy is a significant problem in Australia. Local data pertaining to use of the levonorgestrel-releasing intra-uterine device (LNG-IUD), and associated factors are limited. The aim of this analysis was to calculate prescribing rates of the LNG-IUD in Australia, including trends in prescribing and associations with socio-demographic factors, in order to increase understanding regarding potential use. Methods We examined prescriptions for the LNG-IUD recorded in the national Pharmaceutical Benefits Scheme (PBS) from 2008 to 2012. Prescribing trends were examined according to patient age, remoteness of residential location, and proximity to relevant specialist health services. Associations between these factors and prescription rates were examined using poisson regression. Analyses were stratified by 5-year age-groups. Results Age-adjusted prescription rates rose from 11.50 per 1000 women aged 15–49 (95% CI: 11.41–11.59) in 2008 to 15.95 (95% CI:15.85–16.01) in 2012. Prescription rates increased most among 15–19-year-olds but remain very low at 2.76 per 1000 women (95% CI: 2.52–3.01). Absolute increases in prescriptions were greatest among 40–44-year-olds, rising from 16.73 per 1000 women in 2008 (95% CI: 16.12–17.34) to 23.77 in 2012 (95% CI: 22.58–24.29). Rates increased significantly within all geographical locations (p < 0.01). Non-metropolitan location was significantly associated with increased prescribing rates, the association diminishing with increasing age groups. Conclusions Prescription of LNG-IUD in Australia is very low, especially among young women and those in major cities. Service providers and young women may benefit from targeted education outlining use of the LNG-IUD, strengthened training and referral pathways. Disparities in prescription according to location require further investigation.http://link.springer.com/article/10.1186/s12905-018-0680-3
spellingShingle Amie L. Bingham
Cameryn C. Garrett
Christine Bayly
Anne M. Kavanagh
Louise A. Keogh
Rebecca J. Bentley
Jane S. Hocking
The levonorgestrel intrauterine device in Australia: analysis of prescribing data 2008–2012
BMC Women's Health
title The levonorgestrel intrauterine device in Australia: analysis of prescribing data 2008–2012
title_full The levonorgestrel intrauterine device in Australia: analysis of prescribing data 2008–2012
title_fullStr The levonorgestrel intrauterine device in Australia: analysis of prescribing data 2008–2012
title_full_unstemmed The levonorgestrel intrauterine device in Australia: analysis of prescribing data 2008–2012
title_short The levonorgestrel intrauterine device in Australia: analysis of prescribing data 2008–2012
title_sort levonorgestrel intrauterine device in australia analysis of prescribing data 2008 2012
url http://link.springer.com/article/10.1186/s12905-018-0680-3
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