Journal of Dual DiagnosisPub Date : 2024-10-01Epub Date: 2024-03-31DOI: 10.1080/15504263.2024.2330620
Rachel E Williamson, Kathryn S Macia, Joshua Burton, Robert E Wickham
{"title":"Mapping the Pathways Between Posttraumatic Stress Disorder, Depression, and Alcohol and Cannabis Use: A Network Analysis.","authors":"Rachel E Williamson, Kathryn S Macia, Joshua Burton, Robert E Wickham","doi":"10.1080/15504263.2024.2330620","DOIUrl":"10.1080/15504263.2024.2330620","url":null,"abstract":"<p><p><b>Objective:</b> The present study examines the network structure and, using Bayesian network analysis, estimates the directional pathways among symptoms of posttraumatic stress disorder (PTSD), major depressive disorder (MDD), and levels of alcohol and cannabis use. <b>Method:</b> A sample of 1471 adults in the United States, who reported at least one potentially traumatic event, completed the PTSD Checklist (PCL-5), Patient Health Questionnaire (PHQ-9), and the Alcohol/Cannabis Use Disorders Identification Test (AUDIT/CUDIT). A regularized partial correlation network provided estimates of symptoms clusters and connections. Directional pathways within the network were then estimated using a directed acyclic graph (DAG). <b>Results:</b> Symptoms clustered in theoretically consistent ways. Risky behavior demonstrated the highest strength centrality and bridge strength. Neither alcohol nor cannabis use appeared central in the network, and DAG results suggested that MDD and PTSD symptoms are more likely to lead to substance use than the other way around. <b>Conclusions:</b> Results suggest that cannabis use is largely connected to alcohol use. Consistent with prior research, risky behavior appeared to be the primary bridge between substance use and PTSD. The direction of associations between substance use and psychological symptoms requires further attention.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"318-326"},"PeriodicalIF":1.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140332171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of Dual DiagnosisPub Date : 2024-10-01Epub Date: 2024-04-01DOI: 10.1080/15504263.2024.2330619
Caroline C Kaufman, R Kathryn McHugh, Mia Drury, Julia G Merrill, David H Rosmarin
{"title":"Spirituality/Religion Among First Responders With and Without Posttraumatic Stress Disorder and Alcohol Misuse.","authors":"Caroline C Kaufman, R Kathryn McHugh, Mia Drury, Julia G Merrill, David H Rosmarin","doi":"10.1080/15504263.2024.2330619","DOIUrl":"10.1080/15504263.2024.2330619","url":null,"abstract":"<p><p><b>Objective:</b> To examine the co-occurrence of alcohol misuse and posttraumatic stress disorder (PTSD) and potential sources of coping (e.g., spirituality/religion) and clinically relevant variables among first responders (e.g., firefighters, law enforcement corrections officers, paramedics). <b>Method:</b> We assessed rates of independent and co-occurring alcohol misuse and PTSD among a national online sample of 320 first responders as well as the prevalence and salience of S/R, guilt, shame, moral injury, aspects of S/R, and treatment interest. <b>Results:</b> In our sample, 46.88% (<i>n</i> = 150) met criteria for comorbid alcohol misuse and probable PTSD and individuals with these comorbid conditions reported significantly greater negative religious coping, moral injury, and shame than all other diagnostic groups (i.e., independent alcohol misuse, independent PTSD, and neither). Correlations also revealed significant relationships between alcohol misuse and PTSD symptomatology with positive and negative religious coping, moral injury, shame, guilt, interest in treatment, and interest in spiritually integrated treatment. <b>Conclusions:</b> Findings highlight the high rates of independent and co-occurring alcohol misuse and PTSD among first responders as well as the salience of S/R in this population.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"291-302"},"PeriodicalIF":1.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140337180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of Dual DiagnosisPub Date : 2024-10-01Epub Date: 2024-05-05DOI: 10.1080/15504263.2024.2347489
Olaniyi Olayinka, Brook T Alemu, Stanley Nkemjika, Declan T Barry
{"title":"Nationwide Assessment of Chronic Pain among Hospitalized Individuals with Co-occurring Post Traumatic Stress Disorder and Substance Use Disorder in the United States.","authors":"Olaniyi Olayinka, Brook T Alemu, Stanley Nkemjika, Declan T Barry","doi":"10.1080/15504263.2024.2347489","DOIUrl":"10.1080/15504263.2024.2347489","url":null,"abstract":"<p><p><b>Objective:</b> Chronic pain (CP) is independently associated with substance use disorders (SUD) and posttraumatic stress disorder (PTSD). However, little is known about factors associated with CP among patients with co-occurring PTSD and SUD. Patterns of hospital resource usage should also be explored further. <b>Methods:</b> Using the 2019 National Inpatient Sample (NIS), we identified 216,125 hospital discharges with co-occurring diagnoses of PTSD and SUD in 2019 and examined their association with CP. Multivariable logistic regression models were used to identify factors associated with an increased likelihood of CP in this cohort. <b>Results:</b> Among those with co-occurring PTSD and SUD (<i>N</i> = 216,125), 35,450 had associated CP, a prevalence of 164.02 cases per 1,000 discharges (95% CI [160.54, 167.52]). Individuals aged 55-64 with co-occurring PTSD and SUD were approximately 7.2 times more likely to experience CP, compared to those aged 16-24 (OR = 7.2; 95% CI [6.09, 8.60]). Being in the CP group was associated with 50% increased odds of insomnia and obesity (OR = 1.5; 95% CI [1.12, 2.03] and OR = 1.5; 95% CI [1.38, 1.55], respectively), 30% increased odds of anxiety (OR = 1.3; 95% CI [1.24, 1.38]), 20% increased odds of attention deficit disorder (ADD;OR = 1.2; 95% CI [1.12, 1.38]) and 10% increased odds of depression (OR = 1.1; 95% CI [1.01, 1.14]). Compared with females, being male was associated with slightly decreased odds of CP (OR = 0.9; 95% CI [0.84, 0.94]). <b>Conclusions:</b> Among hospitalized Americans with co-occurring PTSD and SUD, advanced age, being female, and the presence other mental health disorders were associated with an increased risk of CP. Providers treating co-occurring PTSD/SUD should evaluate for and consider evidence-based management of CP if present.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"340-349"},"PeriodicalIF":1.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140866549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of Dual DiagnosisPub Date : 2024-10-01Epub Date: 2024-06-06DOI: 10.1080/15504263.2024.2351449
Majed Ramadan, Yara F Batwa
{"title":"Substance Use Disorder Admission Rates Before and After the Lockdown in a Large Addiction Center in Saudi Arabia: A Retrospective Cohort Study.","authors":"Majed Ramadan, Yara F Batwa","doi":"10.1080/15504263.2024.2351449","DOIUrl":"10.1080/15504263.2024.2351449","url":null,"abstract":"<p><p><b>Objective:</b> This study aimed to examine the potential changes in substance use disorder (SUD) admission rates before and after the lockdown in a major addiction center in Saudi Arabia. <b>Method:</b> This retrospective cohort study extracted data from Al-Amal Hospital Electronic Health Record in the city of Dammam, Eastern region of Saudi Arabia. A total of 2,426 cases included in the analysis for patients who received services from the SUD treatment programs from 1/1/2015 to 31/12/2021. <b>Results:</b> Before the pandemic, there was a consistent increase in the admission rates for patients with substance use disorder. The highest proportion of increase were among unemployed, young, newly admitted patients. During lockdown, there was nearly a 70% reduction in SUDs-related admission rate. The age group 18-25 was seven-times more likely to be admitted for SUD after the lockdown. Amphetamine-related admissions were two times more likely to be admitted after the lockdown (Odds ratio (OR) 2.04; confidence interval (CI) 95%[1.64, 2.54]). <b>Conclusions:</b> There was nearly 70% reduction in SUDs admission rates during the lockdown. After the lockdown, a significant proportional increase in amphetamine use disorder admissions was observed mostly among the patients age group 18-24 with a history of a previous admissions. Determining populations at risk for high health care utilization is crucial in building a comprehensive and effective prevention strategy. Therefore, the need to adopt coordinated strategies and innovative, comprehensive approaches to benefit individuals with SUD is imperative to face the increased rate of SUD related admissions.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"350-358"},"PeriodicalIF":1.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141284999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of Dual DiagnosisPub Date : 2024-10-01Epub Date: 2024-05-14DOI: 10.1080/15504263.2024.2343372
Andrew Lac
{"title":"Drinking to Cope With the COVID-19 Pandemic Mediates Pathways From COVID-19 Anxiety to Alcohol Use and Alcohol Myopia Consequences.","authors":"Andrew Lac","doi":"10.1080/15504263.2024.2343372","DOIUrl":"10.1080/15504263.2024.2343372","url":null,"abstract":"<p><strong>Objective: </strong>People may consume alcohol to cope with the stressors and anxieties of the COVID-19 pandemic. The present study applied the self-medication hypothesis, tension reduction hypothesis, and alcohol myopia theory to understand COVID-19 alcohol coping as a mediator of the pathways from COVID-19 anxiety to alcohol use and alcohol consequences.</p><p><strong>Methods: </strong>Participants (<i>N</i> = 477) were undergraduate college students. The mean age was 22.14 (<i>SD</i> = 5.66) years. Gender distribution included 73% females, 26% males, and 1% transgender. Racial categories included 70% White, 11% Latino, 5% Black, 5% Asian, and 9% multiracial. They completed the Coronavirus Anxiety Scale, the COVID-19 Alcohol Coping Scale developed and validated in the present study, measures of drinking frequency and drinking quantity, and the Alcohol Myopia Scale to assess alcohol consequences.</p><p><strong>Results: </strong>First, confirmatory factor analysis supported the measurement structure of the COVID-19 Alcohol Coping Scale. Second, a general structural equation model containing only latent factors provided evidence for the following pathways: COVID-19 anxiety to COVID-19 alcohol coping to overall alcohol use to alcohol myopia consequences. Third, a specific structural equation model separated the overall alcohol use factor into two measures of drinking frequency and drinking quantity. Results found that COVID-19 alcohol coping uniquely explained drinking frequency (but not drinking quantity), indicating that the pursuit of alcohol to cope with the pandemic was related to more frequent days of alcohol use but not more concentrated use on drinking days. Tests of indirect effects corroborated the mediational pathways in the explanatory models.</p><p><strong>Conclusions: </strong>The research offers insights into understanding that the risk connections from COVID-19 anxiety to alcohol behavioral outcomes are mediated by alcohol use to cope with the pandemic.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"327-339"},"PeriodicalIF":1.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140922453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of Dual DiagnosisPub Date : 2024-10-01Epub Date: 2024-04-01DOI: 10.1080/15504263.2024.2330633
Douglas Glenn, Cathy Lau-Barraco, Kenacia Goings
{"title":"Simultaneous Substance Use With Alcohol in a Community-Based Sample of Young Adults.","authors":"Douglas Glenn, Cathy Lau-Barraco, Kenacia Goings","doi":"10.1080/15504263.2024.2330633","DOIUrl":"10.1080/15504263.2024.2330633","url":null,"abstract":"<p><p><b>Objective:</b> Simultaneous substance use is associated with worse outcomes than concurrent use. Further investigations into simultaneous use are warranted because there is limited knowledge about the co-use of substances other than alcohol and cannabis. Study aims were to examine: (1) the prevalence of simultaneous use of substances with alcohol, (2) the extent to which use patterns are related to key correlates (i.e., psychological functioning, sensation seeking), and (3) differences by college status. <b>Methods:</b> Participants were 623 young adult drinkers who were recruited online to complete a one-time survey. <b>Results:</b> Cannabis (54.3%), tobacco (53.7%), and stimulants (46.5%) were most frequently used with alcohol. Moderation analyses showed the positive association between simultaneous use and psychological distress was stronger for students whereas the positive association with sensation seeking was stronger for nonstudents. <b>Conclusions:</b> Results highlight the need for future research and intervention efforts that consider the link between simultaneous use and psychological wellbeing while acknowledging that educational attainment may differentially influence these factors.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"279-290"},"PeriodicalIF":1.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11442680/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140337179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Luke Sheridan Rains, Laura Middleton-Curran, Oliver Mason, Nicola Morant, Sonia Johnson
{"title":"The Whys and Wherefores of Reducing Cannabis Use in Early Psychosis: A Qualitative Study of Service Users<i>'</i> Experiences of Quitting and the Support.","authors":"Luke Sheridan Rains, Laura Middleton-Curran, Oliver Mason, Nicola Morant, Sonia Johnson","doi":"10.1080/15504263.2024.2369517","DOIUrl":"https://doi.org/10.1080/15504263.2024.2369517","url":null,"abstract":"<p><p><b>Objectives:</b> Cannabis is the most widely used substance among people with recent onset psychosis, but it can have significant negative consequences for long term wellbeing in this cohort. We explored the perspectives of people with recent onset psychosis who used cannabis on their motivations for quitting, their experiences of trying to do so, and their views of the support they had received and the strategies that they had tried. <b>Methods:</b> Twenty one-to-one qualitative interviews were conducted with Early Intervention in Psychosis service users in England who had participated in the CIRCLE trial. Purposive sampling was used to recruit a mix of demographic, cannabis use status, and other characteristics. <b>Results:</b> Quitting cannabis is often very challenging for people and can require making substantial changes in their lives, including to their social relationships, living arrangements, or pathways through work or education. Participants reported wanting help, but often experienced support from mental health services as insubstantial and poorly tailored. Support from peers with relevant lived-experience, where available, was highly valued. Common reasons for quitting included its impact on key life goals or engaging with hobbies, finances, mental health, incompatibility with self-image, and negative use expectancies of intoxication. Concerns regarding mental health were primarily related to psychotic illness, including fear of exacerbating symptoms or experiencing future hospital admissions. <b>Discussion:</b> It is currently unclear how best to support people in this cohort. Interventions that provide support from people with relevant lived experience may be more valued and more clinically effective than current offerings.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"1-13"},"PeriodicalIF":1.5,"publicationDate":"2024-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142047329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Camille Lefebvre-Durel, Alix Morel, Alexandra Dereux, Bruno Etain, Virgile Clergue Duval, Florence Vorspan
{"title":"Reduction of Psychosis Proneness in a Daycare Hospital Program for Patients with Severe Alcohol Use Disorder.","authors":"Camille Lefebvre-Durel, Alix Morel, Alexandra Dereux, Bruno Etain, Virgile Clergue Duval, Florence Vorspan","doi":"10.1080/15504263.2024.2378874","DOIUrl":"https://doi.org/10.1080/15504263.2024.2378874","url":null,"abstract":"<p><strong>Objectives: </strong>Anxiety and depressive symptoms, as well as cognitive dysfunctions, improve with abstinence in individuals with alcohol use disorders (AUD), but less is known about psychotic features. The objective of this study was to evaluate the psychosis proneness in a sample of individuals with severe AUD and potential changes after alcohol withdrawal.</p><p><strong>Method: </strong>An observational study was conducted, assessing prospectively Peter's Delusional Inventory scale (PDI); anxiety and depression symptoms by MADRS and cognitive functioning by the MoCA at entry in daycare hospital (D0) and after 30 days (D30). Individuals with schizophrenia, chronic delusional disorder and bipolar disorder were excluded. Wilcoxon tests were used to evaluate the evolution between D0 and D30, and linear regressions were conducted to test the association between delta PDI and the variables that could be potential confounders.</p><p><strong>Results: </strong>Forty individuals (72% males) with a mean age of 50 ± 9 years old and AUD evolved for 15 ± 11 years were included. After one month, PDI score decreased significantly (<i>p</i> = .001), and several biological and clinical parameters improved significantly with abstinence or consumption reduction: GGT (<i>p</i> = .003), MoCA (<i>p</i> < .001), MADRS (<i>p</i> = .047).</p><p><strong>Conclusion: </strong>We observed a decrease in delusional thinking along abstinence and/or consumption reduction. To our knowledge, this is the first research to study psychosis proneness evolution in patients with severe AUD. Replications are required in independent samples with larger sample size.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"1-7"},"PeriodicalIF":1.5,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141789361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ryan E Lawrence, Adam Bernstein, Chaya Jaffe, Yinjun Zhao, Yuanjia Wang, Terry E Goldberg
{"title":"Eligibility for Substance Use Clinical Trials Among Emergency Psychiatry Patients: The Impact of Exclusion Criteria.","authors":"Ryan E Lawrence, Adam Bernstein, Chaya Jaffe, Yinjun Zhao, Yuanjia Wang, Terry E Goldberg","doi":"10.1080/15504263.2024.2377100","DOIUrl":"https://doi.org/10.1080/15504263.2024.2377100","url":null,"abstract":"<p><p><b>Objective:</b> The first objective was to identify common exclusion criteria used in clinical trials. The second objective was to quantify the degree to which these criteria exclude emergency psychiatry patients. <b>Methods:</b> Qualitative Content Analysis was used for the first objective, identifying common exclusion criteria used in recent high-impact substance use clinical trials. A retrospective record review was used for the second objective, which examined the frequency of these exclusion criteria in a 1-month sample of adults receiving psychiatric evaluation in an emergency department. <b>Results:</b> Most trials had exclusions for co-occurring psychiatric problems (76.6%), medical problems (74.0%), prior or current treatment (72.7%), motivation for change (61.1%), pregnancy or lactation (57.1%), or using other specified substances of abuse (54.6%). In the clinical sample, exclusions for co-occurring psychiatric problems would make 94.7% of patients ineligible. Other exclusions had a combined effect of making 76% of patients ineligible. <b>Conclusions:</b> Clinical trials using typical exclusion criteria exclude nearly all emergency psychiatry patients with substance use problems.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"1-9"},"PeriodicalIF":1.5,"publicationDate":"2024-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141621197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of Dual DiagnosisPub Date : 2024-07-01Epub Date: 2024-05-05DOI: 10.1080/15504263.2024.2341092
Regine Bakken, Jūratė Š Benth, Halvor Fauske, Lars Lien, Anne S Landheim
{"title":"Individual Trajectories of Specialist Substance Use Disorder and Mental Health Treatment Utilization Among Young Adults With Substance Use Problems: A Cohort Study.","authors":"Regine Bakken, Jūratė Š Benth, Halvor Fauske, Lars Lien, Anne S Landheim","doi":"10.1080/15504263.2024.2341092","DOIUrl":"10.1080/15504263.2024.2341092","url":null,"abstract":"<p><strong>Objective: </strong>The aim of the study was to identify groups of young adults with distinct longitudinal patterns of use of treatment for substance use disorders and mental health (MH) problems and to investigate potential explanatory factors for different patterns of treatment use over time, including sociodemographic factors.</p><p><strong>Methods: </strong>The sample consisted of 447 young adults aged 16-29 years who entered long-term residential substance use disorder treatment facilities in Norway from 2011 to 2016. In this study, we obtained data collected by the Norwegian Patient Registry and Statistics Norway. These data were linked with the electronic health record data of the substance use disorder treatment facilities from which the participants were recruited. Growth mixture modeling was performed. The identified groups were further compared using analysis of variance or <i>χ</i><sup>2</sup> test.</p><p><strong>Results: </strong>Four groups of participants for total treatment use, substance use disorder treatment use, and MH treatment use were identified. Most participants from the overall sample were classified as members of a group characterized by a low and stable pattern of treatment use over time. A group with a high and stable pattern of treatment use was identified in total and MH treatment use. The proportion of participants with higher levels of substance use disorder treatment use at the end of the study period than at the beginning was larger (35%) than in the case of MH treatment use (14.2%). Younger age was associated with a decreasing pattern of MH treatment use and with an increasing pattern of substance use disorder treatment use over time. There were larger proportions of female participants in groups with a stable high use of MH treatment and in groups with an initially increasing trend of substance use disorder treatment use. Findings revealed that most participants across the identified groups were recipients of welfare benefits, had low educational attainment, and were not working.</p><p><strong>Conclusions: </strong>Results demonstrated significant variation in trajectories of treatment use among young adults with substance use disorder. Differences in treatment use could indicate differences in symptom severity and complexity. In this study, treatment use was associated with socioeconomic factors, sex, and age. Integrative approaches, including interagency and interdisciplinary collaboration, will often be necessary to sufficiently address the multidimensionality of substance use disorder.</p>","PeriodicalId":46571,"journal":{"name":"Journal of Dual Diagnosis","volume":" ","pages":"251-265"},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140854135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}