Publications by authors named "Sue M Cotton"

Brief self-report measures offer significant benefits in youth mental health services by providing quick, efficient, and accessible assessment of mental health status. In this study, we describe the psychometric features of the Patient Health Questionnaire-9 (PHQ-9), the Generalised Anxiety Disorder-7 (GAD-7) and their shorter variants in 1063 young people at their first appointment to headspace youth primary care mental health services. Specific aims were to: (i) document the internal consistency, dimensionality, and measurement invariance for sex and age (12-14, 15-17, 18-21, 22-25 years) for the PHQ-9 and GAD-7; (ii) compare the full and shorter variants of the measures; and (iii) determine construct validity by correlating variants with measures of psychological distress, rumination, functioning, and quality of life.

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Background: Despite evidence for early interventions for bipolar disorder (BD), there are relatively few accessible treatment models. We developed a digitally augmented model of care termed BLEND (BipoLar early interventions using New Digital technologies) which aims to improve mood symptoms in BD. BLEND includes: (a) guideline-concordant pharmacotherapy; (b) in-person psychological therapies blended with digital therapeutic content and (c) digital relapse monitoring.

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No studies have investigated baseline predictors of functioning among young people receiving treatment for BPD. The current study aimed to identify the baseline demographic, psychopathological and treatment correlates of interpersonal problems and social adjustment at 12-month follow-up among young people with BPD, who received early intervention in the Monitoring Outcomes of BPD in Youth (MOBY) randomised controlled trial. Of 139 randomised young people (aged 15 to 25 years) who completed interview and self-report measures at baseline (pre-treatment), 98 (M = 18.

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Data linkage is a powerful tool for understanding the multifaceted needs and priorities of mental health care from the perspective of users and providers. Its potential remains underutilised in Australian settings - the Productivity Commission Inquiry into Mental Health in 2020 highlighted a significant gap: routinely collected administrative data are seldom leveraged in mental health research and service evaluation. In this manuscript, we provide insights into how data linkage has been used in mental health research, the type of questions that can be addressed, the steps involved in conducting data linkage research and the benefits and limitations of the use of this methodology.

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Most people with a psychotic illness will never be violent; however, it is widely known that violence is more prevalent in this group compared to the general community, particularly during first-episode psychosis (FEP). Despite this, there is limited research into what contributes to this increased risk during FEP. The present systematic review aimed to identify whether certain risk factors are differentially associated with severity and timing of violence perpetration during FEP.

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Introduction: Depression and pain co-occur, even during adolescence. However, there is limited knowledge on the association between pain and lifetime depression, and which biopsychosocial measures are associated with this co-occurrence.

Methods: Cross-sectional analysis of the Adolescent Brain and Cognitive Development (ABCD) two-year follow-up.

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Article Synopsis
  • The text explores the concept of the 'missing middle' in mental health care in Australia, where certain subgroups are not having their needs adequately met by existing services.
  • Using the Delphi method, experts from various groups collaborated to define the term and identify key issues, resulting in ten subthemes, of which four core ones were widely acknowledged: service gap, inflexibility, inadequate service quality and duration, and social disadvantage.
  • Ultimately, a consensus definition was formed that frames the 'missing middle' as a systemic service gap in mental health care, emphasizing the need for more effective solutions to support affected individuals.
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Article Synopsis
  • The study highlights the challenges faced by youth-specific integrated mental healthcare services in Australia, particularly in accommodating young people with severe and complex needs despite being designed for early intervention.
  • A significant number of young people (about 20%) were identified as having 'high complexity' due to factors like severe disorders and trauma history, while two other moderate complexity subgroups were distinguished based on their specific issues.
  • Findings emphasized the need for better understanding and consensus regarding complexity in clinical settings to improve service planning and resource allocation.
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  • Adolescents aged 15 to 19 face significant mental health challenges, exacerbated by social exclusion, which makes it harder to access care and support.
  • A study of nearly 18,800 young Australians revealed that although many recognized their need for mental health assistance, only about 58% sought help, with housing issues increasing help-seeking behaviors while relational and employment problems decreased them.
  • Common barriers faced by these adolescents included stigma, cost, and uncertainty about where to find help, with a notable preference for face-to-face support when seeking assistance.
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Objectives: Early maladaptive schemas represent unhelpful frameworks of cognitions, emotions and subsequent behavioural responses and can be associated with depressive symptoms. Caregivers of individuals with serious mental illness (SMI) frequently report experiencing depressive symptoms. It is unclear whether depressive symptoms in caregivers are influenced by schemas.

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We are developing an economic model to explore multiple topics in Australian youth mental health policy. To help make that model more readily transferable to other jurisdictions, we developed a software framework for authoring modular computational health economic models (CHEMs) (the software files that implement health economic models). We specified framework user requirements for: a simple programming syntax; a template CHEM module; tools for authoring new CHEM modules; search tools for finding existing CHEM modules; tools for supplying CHEM modules with data; reproducible analysis and reporting tools; and tools to help maintain a CHEM project website.

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As interest in animal-assisted therapy (AAT) and canine-assisted psychotherapy (CAP) grows, there are increasing calls for the management of related health, safety, and welfare concerns for canines, providers, and clients. Existing health and safety guidelines lack empirical support and are, at times, contradictory. Welfare is increasingly prioritized; however, tools to monitor and manage welfare are underutilized and under-reported.

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Background: Most people with psychotic disorders will never commit an act of violence. However, the risk of violence committed by people with schizophrenia is higher than the general population. Violence risk is also known to be highest during the first episode of psychosis compared to later stages of illness.

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Objectives: Many people who are diagnosed with bipolar disorder also have comorbid personality disorder. Few studies have explored how personality disorder may influence pharmacological treatment outcomes. The aim of this study was to conduct a secondary analysis of data from a clinical trial of adjunctive nutraceutical treatments for bipolar depression, to determine whether maladaptive personality traits influence treatment outcomes.

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Background: Existing treatments for young people with severe depression have limited effectiveness. The aim of the Study of Ketamine for Youth Depression (SKY-D) trial is to determine whether a 4-week course of low-dose subcutaneous ketamine is an effective adjunct to treatment-as-usual in young people with major depressive disorder (MDD).

Methods: SKY-D is a double-masked, randomised controlled trial funded by the Australian Government's National Health and Medical Research Council (NHMRC).

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Article Synopsis
  • Cluster analyses are essential in mental health research for identifying more similar subgroups among individuals, but there's limited guidance on selecting the right models and methods for analysis.
  • This paper introduces key algorithms relevant to mental health, discusses their design, pros and cons, and suggests advanced techniques like deep learning and clustering ensembles.
  • The authors also outline practical advice for preprocessing data, evaluating and validating clusters, and provide resources on R functions and libraries to aid implementation.
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Objective: Preliminary evidence indicates that interventions designed to support family and friends ('carers') of young people with early-stage borderline personality disorder effectively improve carer outcomes. None of these interventions have been tested in a randomised controlled trial.

Method: This clustered, partially nested, randomised controlled trial was conducted at Orygen, Melbourne, Australia.

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Objective: -acetylcysteine (NAC) is a novel therapeutic agent with multiple mechanisms of action in the central nervous system and a favourable side effect profile. Clinical evidence indicates that adjunctive NAC may reduce the severity of depressive symptoms in individuals with major depressive disorder (MDD).

Methods: A 12-week randomised controlled trial of 2,000 mg/day adjunctive NAC for MDD found no significant improvement at the primary endpoint (week 12) but did see improvements at the post-discontinuation interview (week 16).

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Emotion dysregulation is a key feature of borderline personality disorder (BPD). Given the heterogeneity of BPD and emotion regulation, this study sought to define subgroups among a sample of young people with BPD based on their pattern of emotion regulation abilities. Baseline data from the Monitoring Outcomes of BPD in Youth (MOBY) clinical trial were used, in which 137 young people ( = 19.

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Background: Childhood trauma is commonly experienced by individuals diagnosed with bipolar disorder (BP). In BP, childhood trauma is related to a more severe clinical course, but its association with cognition remains unclear.

Methods: This study evaluated 405 adult participants diagnosed with BP and 136 controls.

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Experiences of interpersonal trauma, both in childhood and in adulthood, can affect the trajectory of bipolar disorder (BD). However, the degree to which childhood and/or adult trauma impacts the longitudinal trajectory of depression severity among individuals with BD actively receiving treatment remains unclear. The effects of childhood trauma (Childhood Trauma Questionnaire) and adult trauma (Life Events Checklist) on depression severity (Hamilton Depression Rating Scale) were investigated in a treatment-receiving subsample with BD () of the Prechter Longitudinal Study of Bipolar Disorder (2005-present).

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Objective: We describe a research program to advance youth mental health service research in Australia, addressing two core knowledge gaps: the lack of available routine outcome measures and lack of understanding of how to assess and monitor complexity and heterogeneity in illness presentation and trajectory.

Conclusions: Our research identifies better routine outcome measures (ROM) that are: designed specifically for the developmental nuances of the 12-25-year age range; multidimensional; and meaningful to young people, their carers, and service providers. Alongside much-needed new measures of complexity and heterogeneity, these tools will inform service providers to better meet the needs of young people presenting with mental health problems.

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Background: Family members, who provide the majority of informal care during the recovery period from first-episode psychosis (FEP), experience high levels of psychological distress. However, there is a lack of effective and accessible interventions for FEP carers.

Objective: To determine the effectiveness of an online intervention ("Altitudes") in relation to the primary outcome of FEP-carer stress at 6 months follow-up.

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Purpose: Use of alcohol and other substances is a multifaceted issue impacting young people across multiple life domains. This paper aims to elucidate patterns of substance use and associated demographic and clinical factors among young people seeking treatment for their mental health.

Methods: Young people (12-25 years old) were recruited from five youth-specific primary mental health ("headspace") services in Australia.

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