Australian Institute of Health and Welfare (2022) National Opioid Pharmacotherapy Statistics Annual Data collection, AIHW, Australian Government, accessed 07 July 2022.
Australian Institute of Health and Welfare. (2022). National Opioid Pharmacotherapy Statistics Annual Data collection. Retrieved from https://www.aihw.gov.au/reports/alcohol-other-drug-treatment-services/national-opioid-pharmacotherapy-statistics
National Opioid Pharmacotherapy Statistics Annual Data collection. Australian Institute of Health and Welfare, 30 March 2022, https://www.aihw.gov.au/reports/alcohol-other-drug-treatment-services/national-opioid-pharmacotherapy-statistics
Australian Institute of Health and Welfare. National Opioid Pharmacotherapy Statistics Annual Data collection [Internet]. Canberra: Australian Institute of Health and Welfare, 2022 [cited 2022 Jul. 7]. Available from: https://www.aihw.gov.au/reports/alcohol-other-drug-treatment-services/national-opioid-pharmacotherapy-statistics
Australian Institute of Health and Welfare (AIHW) 2022, National Opioid Pharmacotherapy Statistics Annual Data collection, viewed 7 July 2022, https://www.aihw.gov.au/reports/alcohol-other-drug-treatment-services/national-opioid-pharmacotherapy-statistics
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Age is calculated as at 30 June of the collection year.
Dosing points have been classified according to their remoteness area (RA) as defined by the Australian Statistical Geography Standard (ASGS) Remoteness Structure (ABS 2016). This structure allows areas that share common characteristics of remoteness to be classified into broad geographic regions of Australia. These areas are:
The Remoteness Structure divides each state and territory into several regions based on their relative access to services.
Examples of places that are considered Major cities in the ASGS classification include Sydney, Canberra and Newcastle. Hobart and Bendigo are Inner regional areas and Cairns and Darwin are Outer regional areas. Katherine and Mount Isa are Remote areas, and Tennant Creek and Meekatharra are Very remote.
Using this classification, dosing points were assigned to an RA based on their recorded Statistical Area Level 2 (SA2) code. Some SAs are split between multiple remoteness areas. This may have impacted the calculation of rates.
Queensland data were not available for the NOPSAD collection in 2021. This was a result of the implementation of a new real-time prescription monitoring system (QScript) and the commencement of the new Medicines and Poisons Act 2019. In 2021, collection of medicines information transitioned from the Monitoring of Drugs of Dependence System database to the new QScript system. This transition resulted in significant changes to the data being collected for the Queensland Opioid Treatment Program.
All rates in this report, including historical rates, have been calculated using population estimates based on the 2016 Census. All Indigenous rates in this report are calculated using the Indigenous population estimates and projections, based on the 2016 Census.
In 2021, the increase in the total rate of Indigenous clients per 10,000 people may relate to several factors, including:
This may result in increased rates even if the number of clients did not increase.
Crude rates are calculated using the Australian Bureau of Statistics estimated resident population (ERP) as at 30 June of each collection year. Rates for 2021 data were calculated using the preliminary ERP at 30 June 2021, with the exception of remoteness rates which were calculated using the preliminary ERP at 30 June 2020.
In the year ending 30 June 2021, the estimated residential population in Victoria decreased. This decline was driven by a relatively large net negative overseas migration, likely due to the closure of Australia's international border in March 2020 in response to the COVID-19 pandemic. This may result in increased rates even if the number of clients did not increase. Other states and territories were also impacted by border closures; caution should be taken when comparing population data for 2021 with previous years.
The classification of Sex ‘Other’ was introduced into the NOPSAD collection for the first time in 2021. These data are not reported in text due to small numbers in this category, but are included in supplementary data tables S7 and S8. For more information, see the NOPSAD Data Quality Statement.
Trend data may differ from data published in previous versions of the National Opioid Pharmacotherapy Statistics Annual Data collection report due to data revisions. Queensland data were not available in 2021, therefore caution should be taken when comparing 2021 data with previous years as these include data for Queensland.
ABS (Australian Bureau of Statistics) (2016) The ASGS remoteness structure, ABS, Australian Government, accessed 14 January 2022.
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