The associations of supervised consumption services with the rates of opioid‐related mortality and morbidity outcomes at the public health unit level in Ontario (Canada): A controlled interrupted time‐series analysis
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Wiley
2024
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| _version_ | 1867008032815185920 |
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| author | Tessa Robinson Forough Farrokhyar Benedikt Fischer |
| author_facet | Tessa Robinson Forough Farrokhyar Benedikt Fischer Tessa Robinson Forough Farrokhyar Benedikt Fischer |
| collection | Wiley Open Access |
| contents | The associations of supervised consumption services with the rates of opioid‐related mortality and morbidity outcomes at the public health unit level in Ontario (Canada): A controlled interrupted time‐series analysis Tessa Robinson Forough Farrokhyar Benedikt Fischer Drug and Alcohol Review AbstractIntroductionThis study aimed to assess the impact of the implementation of legally sanctioned supervised consumption sites (SCS) in the Canadian province of Ontario on opioid‐related deaths, emergency department (ED) visits and hospitalisations at the public health unit (PHU) level.MethodsMonthly rates per 100,000 population of opioid‐related deaths, ED visits and hospitalisations for PHUs in Ontario between December 2013 and March 2022 were collected. Aggregated and individual analyses of PHUs with one or more SCS were conducted, with PHUs that instituted an SCS being matched to control units that did not. Autoregressive integrated moving average models were used to estimate the impact of SCS implementation on opioid‐related deaths, ED visits and hospitalisations.ResultsTwenty‐one legally sanctioned SCS were implemented across nine PHUs in Ontario during the study period. Interrupted time series analyses showed no statistically significant changes in opioid‐related death rates in aggregated analyses of intervention PHUs (increase of 0.02 deaths/100,000 population/month; p = 0.27). Control PHUs saw a significant increase of 0.38 deaths/100,000 population/month; p < 0.001. No statistically significant changes were observed in the rates of opioid‐related ED visits in intervention PHUs (decrease of 0.61 visits/100,000 population/month; p = 0.39) or controls (increase of 0.403 visits; p = 0.76). No statistically significant changes to the rates of opioid‐related hospitalisations were observed in intervention PHUs (0 hospitalisations/100,000 population/month; p = 0.98) or controls (decrease of 0.05 hospitalisations; p = 0.95).Discussion and ConclusionsThis study did not find significant mortality or morbidity effects associated with SCS availability at the population level in Ontario. In the context of a highly toxic drug supply, additional interventions will be required to reduce opioid‐related harms. 10.1111/dar.13921 http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| doi_str_mv | 10.1111/dar.13921 |
| format | Artículo Open Access |
| id | wiley_oa_10_1111_dar_13921 |
| institution | Wiley Open Access |
| license_str_mv | http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| publishDate | 2024 |
| publisher | Wiley |
| record_format | wiley_oa |
| spellingShingle | The associations of supervised consumption services with the rates of opioid‐related mortality and morbidity outcomes at the public health unit level in Ontario (Canada): A controlled interrupted time‐series analysis Tessa Robinson Forough Farrokhyar Benedikt Fischer Drug and Alcohol Review The associations of supervised consumption services with the rates of opioid‐related mortality and morbidity outcomes at the public health unit level in Ontario (Canada): A controlled interrupted time‐series analysis Tessa Robinson Forough Farrokhyar Benedikt Fischer Drug and Alcohol Review AbstractIntroductionThis study aimed to assess the impact of the implementation of legally sanctioned supervised consumption sites (SCS) in the Canadian province of Ontario on opioid‐related deaths, emergency department (ED) visits and hospitalisations at the public health unit (PHU) level.MethodsMonthly rates per 100,000 population of opioid‐related deaths, ED visits and hospitalisations for PHUs in Ontario between December 2013 and March 2022 were collected. Aggregated and individual analyses of PHUs with one or more SCS were conducted, with PHUs that instituted an SCS being matched to control units that did not. Autoregressive integrated moving average models were used to estimate the impact of SCS implementation on opioid‐related deaths, ED visits and hospitalisations.ResultsTwenty‐one legally sanctioned SCS were implemented across nine PHUs in Ontario during the study period. Interrupted time series analyses showed no statistically significant changes in opioid‐related death rates in aggregated analyses of intervention PHUs (increase of 0.02 deaths/100,000 population/month; p = 0.27). Control PHUs saw a significant increase of 0.38 deaths/100,000 population/month; p < 0.001. No statistically significant changes were observed in the rates of opioid‐related ED visits in intervention PHUs (decrease of 0.61 visits/100,000 population/month; p = 0.39) or controls (increase of 0.403 visits; p = 0.76). No statistically significant changes to the rates of opioid‐related hospitalisations were observed in intervention PHUs (0 hospitalisations/100,000 population/month; p = 0.98) or controls (decrease of 0.05 hospitalisations; p = 0.95).Discussion and ConclusionsThis study did not find significant mortality or morbidity effects associated with SCS availability at the population level in Ontario. In the context of a highly toxic drug supply, additional interventions will be required to reduce opioid‐related harms. 10.1111/dar.13921 http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| title | The associations of supervised consumption services with the rates of opioid‐related mortality and morbidity outcomes at the public health unit level in Ontario (Canada): A controlled interrupted time‐series analysis |
| topic | Drug and Alcohol Review |
| url | https://onlinelibrary.wiley.com/doi/10.1111/dar.13921 |