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Though mental health and substance use concerns often co-occur, few studies have characterized patterns of co-occurrence among adolescents in clinical settings. The current investigation identifies and characterizes these patterns among adolescents presenting to an outpatient mental health service in Ontario, Canada. Data come from cross-sectional standardized patient intake assessments from 916 adolescents attending an outpatient mental health program (January 2019–March 2021). Latent profile analysis identified patterns of substance use (alcohol, cannabis, (e-) cigarettes) and emotional and behavioral disorder symptoms. Sociodemographic and clinical correlates of these patterns were examined using multinomial regression. Three profiles were identified including: 1) low substance use and lower frequency and/or severity (relative to other patients in the sample) emotional and behavioral disorder symptoms (26.2%), 2) low substance use with higher emotional and behavioral disorder symptoms (48.2%), and 3) high in both (25.6%). Profiles differed in sociodemographic and clinical indicators related to age, gender, trauma, harm to self, harm to others, and service use. Experiences of trauma, suicide attempts, and thoughts of hurting others increased the odds of adolescents being in the profile high in both substance use and symptoms compared to other profiles. These findings further document the high rates of substance use in adolescents in mental health treatment and the profiles generally map onto three out of four quadrants in the adapted four-quadrant model of concurrent disorders, indicating the importance of assessing and addressing substance use in these settings. [ABSTRACT FROM AUTHOR]

High rates of substance misuse during emerging adulthood (~17-25 years of age, also referred to as young adulthood) require developmentally appropriate clinical programs. This article outlines: 1) the development of an evidence-informed young adult outpatient substance use program that takes a biopsychosocial patient-centred approach to care; 2) a quality improvement process and protocol; and 3) the patient characteristics of an initial cohort. Literature reviews, program reviews, environmental scans, and consultations with interested parties (including individuals with lived expertise) were used to develop the program. A 12-week measurement-based care program was developed comprising: 1) individual measurement-based care and motivational enhancement therapy sessions; 2) group programming focused on cognitive behavioural therapy, mindfulness, distress tolerance, and emotional regulation; 3) clinical consultations for diagnostic clarification and/or medication review; and 4) an independent Community Reinforcement Approach Family Training (CRAFT) group for loved ones. A measurement system was concurrently created to collect clinical and program evaluation data at six time points. In the first 21 months of the program, 152 young adults enrolled in the program (mean age = 21 years old, 47% female gender) primarily reporting treatment targets of cannabis (68%) and alcohol (63%) and almost all presenting with co-occurring mental health concerns (95%). The initial cohort who completed the program showed symptom improvements. Collectively, the program demonstrates the feasibility of developing an evidence-informed young adult substance use program using measurement-based care, but also the need for flexibility and ongoing monitoring to meet local needs. [ABSTRACT FROM AUTHOR]

Abstract Objective: This study examined joint trends over time in associations between substance use (heavy drinking, cannabis, and cigarette smoking) and mental health concerns (depression, anxiety, and suicidal ideation) among US post-secondary students. Participants: Data came from 323,896 students participating in the Healthy Minds Study from 2009 to 2019, a national cross-sectional survey of US post-secondary students. Weighted two-level logistic regression models with a time by substance interaction term were used to predict mental health status. Results: Use of each substance was associated with a greater odds of students endorsing depression, anxiety, and suicidal ideation. Over time, the association with mental health concerns strengthened substantially for cannabis, modestly for heavy drinking, and remained stable for smoking. Conclusion: Given co-occurrence is common and increasing among post-secondary students, college and university health systems should prioritize early identification, psychoeducation, harm-reduction, and brief interventions to support students at risk. [ABSTRACT FROM AUTHOR]

Background: There are concerns that the coronavirus disease 2019 (COVID‐19) pandemic may increase drinking, but most accounts to date are cross‐sectional studies of self‐attributions about alcohol‐related impacts and the accuracy of those perceptions has not been investigated. The current study examined the correspondence between self‐attributions of pandemic‐related changes in drinking and longitudinally‐measured changes in drinking and alcohol‐related consequences in a sample of emerging adults. Methods: In an existing ongoing longitudinal study on alcohol misuse (≥1 heavy episodic drinking day/month) in emerging adults, 473 individuals (Mage = 23.8; 41.7% male) received a supplemental assessment from June 17th to July 1st, 2020, during public health restrictions in Ontario, Canada. These intrapandemic data were matched to the most recent assessment prior to the pandemic (~8 months earlier). Self‐attributions about changes in drinking were assessed globally (i.e., increases/decreases/no change) and with higher resolution questions clarifying the magnitude of changes. Results: Global self‐attributions about changes in drinking substantively paralleled longitudinal changes in weekly drinking days (DD). In the longitudinal data, individuals' who self‐reported increases in drinking exhibited significant increases; individuals' who self‐reported decreases exhibited significant decreases; and individuals who self‐reported no change exhibited nonsignificant changes. Higher resolution items likewise revealed longitudinal patterns of weekly drinking that were substantively consistent with self‐attributions. Heavy DD and alcohol‐related consequences exhibited similar patterns, but only individuals who self‐reported large increases in drinking exhibited increases on these outcomes. Individuals who reported large increases in drinking also exhibited significant increases in depression and posttraumatic stress disorder symptoms. Conclusions: Self‐attributions about drinking closely corresponded to longitudinal changes in drinking, supporting the validity of self‐attributions in population‐level surveys, particularly in young adults. Notably, a subgroup was identified that exhibited pronounced increases for all alcohol‐related outcomes and concurrent increases in internalizing psychopathology. [ABSTRACT FROM AUTHOR]

Background: There are significant concerns that the COVID‐19 pandemic may have negative effects on substance use and mental health, but most studies to date are cross‐sectional. In a sample of emerging adults, over a two‐week period during the pandemic, the current study examined: (1) changes in drinking‐related outcomes, depression, anxiety, and posttraumatic stress disorder and (2) differences in changes by sex and income loss. The intra‐pandemic measures were compared to pre‐pandemic measures. Methods: Participants were 473 emerging adults (Mage = 23.84; 41.7% male) in an existing longitudinal study on alcohol misuse who were assessed from June 17 to July 1, 2020, during acute public health restrictions in Ontario, Canada. These intra‐pandemic data were matched to participant pre‐pandemic reports, collected an average of 5 months earlier. Assessments included validated measures of drinking, alcohol‐related consequences, and mental health indicators. Results: Longitudinal analyses revealed significant decreases in heavy drinking and adverse alcohol consequences, with no moderation by sex or income loss, but with substantial heterogeneity in changes. Significant increases in continuous measures of depression and anxiety were present, both of which were moderated by sex. Females reported significantly larger increases in depression and anxiety. Income loss >50% was significantly associated with increases in depression. Conclusions: During the initial phase of the pandemic, reductions in heavy drinking and alcohol consequences were present in this sample of emerging adults, perhaps due to restrictions on socializing. In contrast, there was an increase in internalizing symptoms , especially in females, highlighting disparities in the mental health impacts of the pandemic. [ABSTRACT FROM AUTHOR]

Background: Heavy episodic drinking (HED) is a major public health problem among emerging adults (individuals 18 to 25), but with considerable heterogeneity in concurrent substance use and psychopathology. The current study used latent profile analysis (LPA) to detect discrete subgroups of HED based on alcohol, other drug severity, and concurrent psychopathology. A reinforcer pathology approach was used to understand motivational differences among the latent subgroups. Methods: Participants were 2 samples of emerging adults reporting regular HED, 1 Canadian (n = 730) and 1 American (n = 602). Indicators for the LPA were validated dimensional self‐report assessments of alcohol severity, cannabis severity, other drug severity, nicotine dependence, depression, anxiety, posttraumatic stress disorder, and attention‐deficit/hyperactivity disorder. Reinforcer pathology indicators were measures of alcohol demand, proportionate substance‐related reinforcement, and discounting of future rewards. Results: The LPA yielded parallel 3‐class solutions in both samples. The largest subgroup was characterized by comparatively low substance severity and psychopathology (Low overall severity). The second largest subgroup was characterized by comparatively high alcohol and other drug severity (excluding tobacco) and high levels of psychopathology (Heavy alcohol & high psychiatric severity). The third subgroup exhibited high alcohol, smoking and intermediate levels of other substance use and psychopathology (Heavy alcohol, smoking, & intermediate psychiatric severity). The Heavy alcohol & high psychiatric severity and Heavy alcohol, smoking, & intermediate psychiatric severity subgroups exhibited significantly higher alcohol demand, greater proportionate substance‐related reinforcement, and steeper delay discounting. Conclusions: Parallel latent subgroups of emerging adults engaging in HED were present in both samples, and the high‐risk subgroups were significantly differentiated by the reinforcer pathology indicators. These latent profiles may ultimately inform heterogeneity in the longitudinal course of HED in emerging adults. [ABSTRACT FROM AUTHOR]