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ObjectiveHistorically, alcohol use and related harms are more prevalent in men than in women. However, emerging evidence suggests the epidemiology of alcohol use is changing in younger cohorts. The current study aimed to systematically summarise published literature on birth cohort changes in male-to-female ratios in indicators of alcohol use and related harms.MethodsWe identified 68 studies that met inclusion criteria. We calculated male-to-female ratios for 3 broad categories of alcohol use and harms (any alcohol use, problematic alcohol use and alcohol-related harms) stratified by 5-year birth cohorts ranging from 1891 to 2001, generating 1568 sex ratios. Random-effects meta-analyses produced pooled sex ratios within these 3 categories separately for each birth cohort.FindingsThere was a linear decrease over time in the sex ratio for all 3 categories of alcohol use and related harms. Among those born in the early 1900s, males were 2.2 (95% CI 1.9 to 2.5) times more likely than females to consume alcohol, 3.0 (95% CI 1.5 to 6.0) times more likely to drink alcohol in ways suggestive of problematic use and 3.6 (95% CI 0.4 to 30.3) times more likely to experience alcohol-related harms. Among cohorts born in the late 1900s, males were 1.1 (95% CI 1.1 to 1.2) times more likely than females to consume alcohol, 1.2 (95% CI 1.1 to 1.4) times more likely to drink alcohol in ways suggestive of problematic use and 1.3 (95% CI 1.2 to 1.3) times more likely to experience alcohol-related harms.ConclusionsFindings confirm the closing male–female gap in indicators of alcohol use and related harms. The closing male–female gap is most evident among young adults, highlighting the importance of prospectively tracking young male and female cohorts as they age into their 30s, 40s and beyond.

Crystal methamphetamine ('ice') use is a large and growing worldwide problem, yet few research studies have explored the impact of crystal methamphetamine use on affected friends and family members. We explored the experiences and narratives of family members and friends of people who use methamphetamine to inform the development of a Family and Friend Support Program. This paper reports on a subset of findings from a mixed method study, which sought to better understand the experiences of family members and friends of people who use methamphetamine. Participants were recruited via Facebook advertising and asked to complete a survey outlining their experiences. At the end of the survey, participants were invited to be interviewed by a clinical psychologist on the research team, to discuss their experiences in greater depth; seventeen people agreed to be interviewed. This paper is based on a qualitative thematic analysis of these interviews using Braun and Clarke's 6-stage approach to identify key areas of concern for friends and family members of people who use methamphetamine. Through thematic analysis, five key themes were developed, namely: (1) loss, (2) stigma, (3) support (or lack thereof), (4) ways of coping, and (5) the value in sharing personal experiences. The results of this study revealed the profound sadness, frustration and loss friends and family members experienced when caring for a loved one who uses methamphetamine. This loss was further complicated by societal stigma surrounding the use of methamphetamine, which often extended to friends and family members themselves. Since experiences of grief and loss were interwoven across the three themes, concepts of ambiguous loss, disenfranchised grief, and narrative constructivist approaches to understanding loss, were applied to the discussion of results. This study provides a more complete picture of family and caregiver experiences when caring for a loved one using methamphetamine, which may further help inform the design of intervention programs. Implications for future research and practice with this population are considered.

ObjectiveTo examine changes in the prevalence of six key chronic disease risk factors (the “Big 6”), from before (2019) to during (2021) the COVID-19 pandemic, among a large and geographically diverse sample of adolescents, and whether differences over time are associated with lockdown status and gender.DesignProspective cohort study.SettingThree Australian states (New South Wales, Queensland and Western Australia) spanning over 3000 km.Participants983 adolescents (baseline Mage=12.6, SD=0.5, 54.8% girl) drawn from the control group of the Health4Life Study.Primary outcomesThe prevalence of physical inactivity, poor diet (insufficient fruit and vegetable intake, high sugar-sweetened beverage intake, high discretionary food intake), poor sleep, excessive recreational screen time, alcohol use and tobacco use.ResultsThe prevalence of excessive recreational screen time (prevalence ratios (PR)=1.06, 95% CI=1.03 to 1.11), insufficient fruit intake (PR=1.50, 95% CI=1.26 to 1.79), and alcohol (PR=4.34, 95% CI=2.82 to 6.67) and tobacco use (PR=4.05 95% CI=1.86 to 8.84) increased over the 2-year period, with alcohol use increasing more among girls (PR=2.34, 95% CI=1.19 to 4.62). The prevalence of insufficient sleep declined across the full sample (PR=0.74, 95% CI=0.68 to 0.81); however, increased among girls (PR=1.24, 95% CI=1.10 to 1.41). The prevalence of high sugar-sweetened beverage (PR=0.61, 95% CI=0.64 to 0.83) and discretionary food consumption (PR=0.73, 95% CI=0.64 to 0.83) reduced among those subjected to stay-at-home orders, compared with those not in lockdown.ConclusionLifestyle risk behaviours, particularly excessive recreational screen time, poor diet, physical inactivity and poor sleep, are prevalent among adolescents. Young people must be supported to find ways to improve or maintain their health, regardless of the course of the pandemic. Targeted approaches to support groups that may be disproportionately impacted, such as adolescent girls, are needed.Trial registration numberAustralian New Zealand Clinical Trials Registry (ACTRN12619000431123)

To determine treatment seeking behaviour in those with opioid use disorder (OUD) in the high-income countries. Five databases were searched in November 2019 for quantitative studies that reported OUD treatment seeking behaviour. Data analysis involved determining an overall pooled proportion estimate of treatment seeking behaviour for the two base groups, lifetime treatment and past 12-month or less treatment using the IVhet effect model. Subgroup analysis included heroin OUD, prescription OUD and general OUD. The sensitivity analysis included removal of outliers, separating adults and adolescents and the metaXL sensitivity analysis (studies are excluded if outside the pooled proportion confidence interval of the base case). Systematic review Prospero database registration number [CRD42020159531]. There were 13 quantitative studies included in the systematic review, with all studies being from the United States of America (USA). IVhet models showed that 40% (95% CI: 23%, 58%) and 21% (95% CI: 16%, 26%) sought treatment in their lifetime and past 12 months respectively. Sub-group analysis found that lifetime treatment seeking for prescription OUD, 29% (95% CI: 27%, 31%), was less than for heroin plus combined OUD, 54% (95% CI: 26%, 82%). Most of the pooled results had high heterogeneity statistics except for results of lifetime treatment seeking for prescription OUD and past 12-month treatment seeking for prescription OUD. All included studies in this meta-analysis were from the USA and indicate modest levels of treatment seeking for those with OUD. In particular, this review found that in the USA one in five people with OUD sought OUD treatment in the previous 12 months and two in five people with OUD sought OUD treatment in their lifetime. Further research is urgently required to explore the barriers and facilitators that can improve this low treatment seeking in those with OUD.

The COVID-19 pandemic has resulted in significant and unprecedented mental health impacts in Australia. However, there is a paucity of research directly asking Australian community members about their mental health experiences, and what they perceive to be the most important mental health issues in the context of the pandemic. This study utilises qualitative data from Alone Together , a longitudinal mixed-methods study investigating the effects of COVID-19 on mental health in an Australian community sample (N = 2,056). A total of 1,037 participants, ranging in sex (69.9% female), age (M = 40–49 years), state/territory of residence, and socioeconomic status, shared responses to two open-ended questions in the first follow up survey regarding their mental health experiences and priorities during COVID-19. Responses were analysed using thematic analysis. Participants described COVID-19 as primarily impacting their mental health through the disruption it posed to their social world and financial stability. A key concern for participants who reported having poor mental health was the existence of multiple competing barriers to accessing high quality mental health care. According to participant responses, the pandemic placed additional pressures on an already over-burdened mental health service system, leaving many without timely, appropriate support. Absent or stigmatising rhetoric around mental health, at both a political and community level, also prevented participants from seeking help. Insights gained from the present research provide opportunities for policymakers and health practitioners to draw on the expertise of Australians’ lived experience and address priority issues through targeted policy planning. This could ultimately support a more responsive, integrated, and effective mental health system, during and beyond the COVID-19 pandemic.

The COVID-19 pandemic has seen a rise in anxiety and depression among adolescents. This study aimed to investigate the longitudinal associations between sleep and mental health among a large sample of Australian adolescents and examine whether healthy sleep patterns were protective of mental health in the context of the COVID-19 pandemic. We used three waves of longitudinal control group data from the Health4Life cluster-randomized trial (N = 2781, baseline M age  = 12.6, SD =  0.51; 47% boys and 1.4% ‘prefer not to say’). Latent class growth analyses across the 2 years period identified four trajectories of depressive symptoms: low-stable (64.3%), average-increasing (19.2%), high-decreasing (7.1%), moderate-increasing (9.4%), and three anxiety symptom trajectories: low-stable (74.8%), average-increasing (11.6%), high-decreasing (13.6%). We compared the trajectories on sociodemographic and sleep characteristics. Adolescents in low-risk trajectories were more likely to be boys and to report shorter sleep latency and wake after sleep onset, longer sleep duration, less sleepiness, and earlier chronotype. Where mental health improved or worsened, sleep patterns changed in the same direction. The subgroups analyses uncovered two important findings: (1) the majority of adolescents in the sample maintained good mental health and sleep habits ( low-stable trajectories), (2) adolescents with worsening mental health also reported worsening sleep patterns and vice versa in the improving mental health trajectories. These distinct patterns of sleep and mental health would not be seen using mean-centred statistical approaches.

Background The current study investigates the extent to which an adolescent-specific lifestyle risk factor index predicts indicators of the leading causes of adolescent morbidity and mortality. Methods Data came from 13 to 17 year-old respondents from the 2013–2014 nationally representative Australian Child and Adolescent Survey of Mental Health and Wellbeing ( n  = 2314). Indicators of adolescent disease burden included Major Depressive Disorder, psychological distress, self-harm and suicide attempt. Risk factors included risky alcohol use, drug use, unprotected sex, smoking, BMI and sleep duration. The extent to which these risk factors co-occurred were investigated using tetrachoric correlations. Several risk indices were then constructed based on these risk factors. Receiver Operating Characteristic curves determined the precision with which these indices predicted the leading causes of adolescent disease burden. Results Risky alcohol use, drug use, smoking, unprotected sex, and sleep were all highly clustered lifestyle risk factors, whereas BMI was not. A risk index comprising risky alcohol use, drug use, unprotected sex and sleep duration predicted the disease burden outcomes with the greatest precision. 31.9% of the sample reported one or more of these behaviours. Conclusions This lifestyle risk factor index represents a useful summary metric in the context of adolescent health promotion and non-communicable disease prevention. Lifestyle risk factors were found to cluster in adolescence, supporting the implementation of multiple health behaviour change interventions.

This systematic review assessed the current evidence base of substance use prevention programs for Indigenous adolescents in the USA, Canada, Australia and New Zealand. The authors investigated (a) the outcomes, type, setting and context of prevention programs; (b) the common components of beneficial prevention programs; and (c) the methodological quality of evaluations of included prevention programs. The authors searched eight peer-reviewed and 20 grey literature databases for studies published between 1 January 1990 and 31 August 2017. Data extracted included type of program (culturally adapted, culture-based or unadapted), the setting (school, community, family or multi-setting), delivery (computerised or traditional), context (Indigenous-specific or multi-cultural environment) and common components of the programs. Program evaluation methodologies were critically appraised against standardised criteria. This review identified 26 eligible studies. Substance use prevention programs for Indigenous youth led to reductions in substance use frequency and intention to use; improvements in substance-related knowledge, attitudes and resistance strategies; and delay in substance use initiation. Key elements of beneficial programs included substance use education, skills development, cultural knowledge enhancement and community involvement in program development. Five programs were rated as methodologically strong, seven were moderate and fourteen were weak. Prevention programs have the potential to reduce substance use among Indigenous adolescents, especially when they are developed in partnership with Indigenous people. However, more rigorously conducted evaluation trials are required to strengthen the evidence base.

There is growing recognition that young people should be given opportunities to participate in the decisions that affect their lives, such as advisory groups, representative councils, advocacy or activism. Positive youth development theory and sociopolitical development theory propose pathways through which youth participation can influence mental health and wellbeing outcomes. However, there is limited empirical research synthesising the impact of participation on youth mental health and/or wellbeing, or the characteristics of activities that are associated with better or worse mental health and/or wellbeing outcomes. This scoping review seeks to address this gap by investigating the scope and nature of evidence detailing how youth participation initiatives can influence mental health and/or wellbeing outcomes for participants. To be eligible, literature must describe youth (aged 15–24) in participation activities and the impact of this engagement on participant mental health and/or wellbeing outcomes. A systematic scoping review of peer-reviewed and grey literature will be conducted using Scopus, PsycINFO, Embase, Medline and grey literature databases. The scoping review will apply established methodology by Arksey and O’Malley, Levac and colleagues and the Joanna Briggs Institute. Title, abstract, and full text screening will be completed by two reviewers, data will be extracted by one reviewer. Findings will be reported in accordance with the Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR), including a qualitative summary of the characteristics of youth participation and their influence on youth mental health outcomes. Youth advisory group members will be invited to deliver governance on the project from the outset; participate in, and contribute to, all stages of the review process; reflect on their own experiences of participation; and co-author the resulting publication. This scoping review will provide essential knowledge on how participation activities can be better designed to maximise beneficial psychosocial outcomes for involved youth.

Background Preventure is a selective school-based personality-targeted program that has shown long-term benefits in preventing student alcohol use, internalising and externalising problems when delivered by psychologists. In this first Australian randomised controlled trial of school staff implementation of Preventure , we aimed to examine i) acceptability, feasibility, and fidelity and ii) effectiveness of Preventure on student alcohol use, internalising, and externalising symptoms. Methods A cluster-randomised controlled implementation trial was conducted in Sydney, Australia and was guided by the RE-AIM framework (Glasgow et al. 1999); which measures reach, effectiveness, adoption, implementation, and maintenance. Schools were randomly assigned to either the Preventure intervention or active control (health education as usual). Nominated school staff from intervention schools received training and delivered the program to students with elevated scores on one of four personality types targeted in the program. School staff completed surveys on RE-AIM measures, which were analysed using descriptive statistics and thematic analysis. Students completed surveys at baseline and six months post-intervention; mixed-effects regression examined intervention by time interactions on alcohol use, internalising and externalising problems, at six-month follow-up. The study was prospectively registered with the Australian New Zealand Clinical Trials Registry (ACTRN12620000790943, registration date 6 August 2020). Results 553 students across 8 schools participated in the baseline survey. Of these, 40% had elevated scores on one of the four personality profiles, resulting in 220 students in the current study (102 students in intervention schools, 118 students in control schools; mean age 13.6, 45.7% female). Most RE-AIM domains showed high ratings, with school staff showing good adherence and confidence in delivery. However, teachers reported difficulties with feasibility, particularly a lack of time. Student outcomes: There were significant improvements in depression and conduct problems across both intervention and control across time. There were no significant main or interaction effects of the intervention on student alcohol use, internalising, or externalising problems. Discussion Teachers and students rated the program highly. However, concerns around feasibility may limit teacher-led application of the program in the Australian context. Alternative approaches, such as delivery by dedicated personnel within schools without a teaching load, may be critical in implementing such evidence-based interventions at scale. Trial registration The study was prospectively registered with the Australian New Zealand Clinical Trials Registry, registration number: ACTRN12620000790943, registration date: 6 August 2020.