Utilising data linkage to describe and explore mortality among a retrospective cohort of individuals admitted to residential substance use treatment

Tisdale, Calvert; Andrade, Dominique de; Leung, Janni; Chiu, Vivian; Hides, Leanne

doi:10.1111/dar.13279

Cited by 4 publications

(1 citation statement)

References 14 publications

(21 reference statements)

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“…Specifically, mortality rates during and after OAT exceed mortality rates among the general population [ 11 ]. Excess mortality risks have also been found among people accessing other treatment modalities for other drugs of concern [ 1 , 10 , 12 , 13 ]. This suggests that there are further opportunities to reduce the risk of premature mortality among people accessing drug and alcohol treatment.…”

Section: Introductionmentioning

confidence: 99%

Mortality during and after specialist alcohol and other drug treatment: Variation in rates according to principal drug of concern and treatment modality

Havard

Jones

Bharat

et al. 2023

Drug and Alcohol Review

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IntroductionFor people accessing treatment for problems with drugs other than opioids, little is known about the relationship between treatment and mortality risk, nor how mortality risk varies across treatment modalities. We addressed these evidence gaps by determining mortality rates during and after treatment for people accessing a range of treatment modalities for several drugs of concern.MethodsWe conducted a cohort study using linked data on publicly funded specialist alcohol or other drug treatment service use and mortality for people receiving treatment in New South Wales between January 2012 and December 2018. We calculated and compared during‐treatment and post‐treatment crude mortality rates and age‐ and sex‐standardised mortality rates, separately for each principal drug of concern and modality.ResultsOver the study period, 45,026 people accessed treatment for problems with alcohol, 26,407 for amphetamine‐type stimulants, 23,047 for cannabinoids and 21,556 for opioids. People treated for alcohol or opioid problems had higher crude mortality rates (1.48, 1.91, 1.09 per 100 person years, respectively) than those with problems with amphetamine‐type stimulants or cannabinoids (0.46, 0.30 per 100 person years, respectively). Mortality rates differed according to treatment status and modality only among people with alcohol or opioid problems.Discussion and ConclusionsThe observed variation in mortality rates indicates there is scope to reduce mortality among people accessing treatment with alcohol or opioid problems. Future research on mortality among people accessing drug and alcohol treatment should account for the variation in mortality by drug of concern and treatment modality.

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Section: Introductionmentioning

confidence: 99%

Mortality during and after specialist alcohol and other drug treatment: Variation in rates according to principal drug of concern and treatment modality

Havard

Jones

Bharat

et al. 2023

Drug and Alcohol Review

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Investigating the Critical Period for Alcohol or Other Drug-Related Presentations Following Access to Residential Substance Use Treatment: a Data Linkage Study

Tisdale,

Leung,

de Andrade

et al. 2024

Int J Ment Health Addiction

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Individuals who access residential treatment for substance use disorders are at a greater risk of negative health and substance-use outcomes upon exiting treatment. Using linked data, we aimed to identify predictive factors and the critical period for alcohol or other drug (AOD)-related events following discharge. Participants include 1056 individuals admitted to three residential treatment centres in Queensland, Australia from January 1 2014 to December 31 2016. We linked participants’ treatment data with administrative data from hospitals, emergency departments, AOD services, mental health services and the death registry up to December 31 2018. We used survival analysis to examine presentations for AOD-related events within two-years of index discharge. A high proportion of individuals (57%) presented to healthcare services for AOD-related events within 2 year of discharge from residential treatment, with the first 30 days representing a critical period of increased risk. Completing residential treatment (aHR = 0.49 [0.37–0.66], p < .001) and high drug-abstaining self-efficacy (aHR = 0.60 [0.44–0.82], p = .001) were associated with a reduced likelihood of AOD-related events. Individuals with over two previous residential treatment admissions (aHR = 1.31 [1.04–1.64], p = .029), identifying as Indigenous Australian (aHR = 1.34 [1.10–1.63], p < .001), alcohol as a primary substance (aHR = 1.58 [1.30–1.92], p < .001), and receiving a Disability Support Pension (aHR = 1.48 [1.06–2.06], p = 0.022) were at a greater likelihood. The high proportion of individuals that present to health and drug services for AOD-related events, especially in the first 30 days post-discharge, highlights the need for continued support following discharge from substance use treatment.

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Life expectancy and years of potential life lost in people with mental disorders: a systematic review and meta-analysis

Chan,

Correll,

Wong

et al. 2023

eClinicalMedicine

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Utilising data linkage to describe and explore mortality among a retrospective cohort of individuals admitted to residential substance use treatment

Cited by 4 publications

References 14 publications

Mortality during and after specialist alcohol and other drug treatment: Variation in rates according to principal drug of concern and treatment modality

Mortality during and after specialist alcohol and other drug treatment: Variation in rates according to principal drug of concern and treatment modality

Investigating the Critical Period for Alcohol or Other Drug-Related Presentations Following Access to Residential Substance Use Treatment: a Data Linkage Study

Life expectancy and years of potential life lost in people with mental disorders: a systematic review and meta-analysis

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