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Background: Crystal methamphetamine (‘ice’) causes significant societal harm and attracts a high level of concern in Australia. Cracks in the Ice (CITI: cracksintheice.org.au) is a digital public health initiative that was developed as part of a national response to concerns about ice. CITI is the first centralised national online portal for evidence-based information and resources about ice in Australia. It provides targeted information and resources for health workers, people who use ice, their family and friends, community groups and schools. CITI was developed collaboratively with input from drug and alcohol experts and over 500 Australian community members, including people with lived experience. A national online survey was conducted to evaluate whether CITI is meeting the needs of the Australian community. Methods: Eligible participants were Australian residents aged 18 years and over, and were recruited via the CITI website, email direct marketing, and social media. The survey assessed participants’ perceptions of CITI (e.g., usability, navigation, utility) and their knowledge and attitudes about ice. Results: 2110 participants completed the survey, including people who use ice, affected family members, health workers, and general community members. Participants’ response to CITI was overall positive and their knowledge of ice was generally good, but many held negative or stigmatising attitudes towards ice and people who use it. Conclusions: Digital public health initiatives stand to overcome structural, geographical, and attitudinal barriers to alcohol and other drug (AOD) prevention efforts. CITI ensures evidence-based information about the drug ice is readily available across all of Australia. Community evaluations have shown that CITI is meeting the needs of the Australian community. Key messages: Crystal methamphetamine (‘ice’) attracts a high level of concern in Australia. CITI is the first centralised national online portal for evidence-based information and resources about ice. Digital health initiatives stand to overcome structural, geographical, and attitudinal barriers to AOD prevention. Community evaluations ensure these initiatives meet the needs of their end-users. [ABSTRACT FROM AUTHOR]

Introduction: Barriers to help-seeking for illicit drug use cross psychosocial (e.g., knowledge of where to seek help, attitudinal beliefs like being afraid of what people will think) and structural (e.g., service availability) domains. Along with people who use illicit drugs, it is important to consider the perspectives of other key groups who are often involved in the help-seeking and recovery process. This study aimed to examine the perceived barriers to help-seeking for people who use crystal methamphetamine ('ice') among key groups (people who use crystal methamphetamine, families and friends, health workers) as well as the general community., Methods: A cross-sectional online survey open to all Australian residents (aged ≥18 years) was conducted November 2018-March 2019. Four key groups of interest were recruited to examine and compare perceived barriers to help-seeking for crystal methamphetamine use., Results: Participants (n = 2108) included: people who use/have used crystal methamphetamine (n = 564, 39%), health workers (n = 288, 26.8%), affected family/friends (n = 434, 13.7%) and general community (n = 822, 20.6%). People who used crystal methamphetamine demonstrated increased odds of reporting attitudinal (OR 1.35; 1.02-1.80) or structural (OR 1.89; 1.09-3.27) barriers, or a previous negative help-seeking experience (OR 2.27; 1.41-3.66) compared to knowledge barriers. Health workers demonstrated decreased odds of reporting attitudinal compared to knowledge barriers (OR 0.69; 0.50-0.95)., Discussion and Conclusions: Perceived barriers to seeking help for crystal methamphetamine use differed among key groups involved in treatment and recovery. Acknowledging and addressing the mismatches between key groups, through targeted interventions may better support people to seek help for crystal methamphetamine use., (© 2024 The Author(s). Drug and Alcohol Review published by John Wiley & Sons Australia, Ltd on behalf of Australasian Professional Society on Alcohol and other Drugs.)

Background: The CSC study found that the universal delivery of a school-based, online programme for the prevention of mental health and substance use disorders among adolescents resulted in improvements in mental health and substance use outcomes at 30-month follow-up. We aimed to compare the long-term effects of four interventions-Climate Schools Combined (CSC) mental health and substance use, Climate Schools Substance Use (CSSU) alone, Climate Schools Mental Health (CSMH) alone, and standard health education-on mental health and substance use outcomes among adolescents at 72-month follow-up into early adulthood., Methods: This long-term study followed up adolescents from a multicentre, cluster-randomised trial conducted across three states in Australia (New South Wales, Queensland, and Western Australia) enrolled between Sept 1, 2013, and Feb 28, 2014, for up to 72 months after baseline assessment. Adolescents (aged 18-20 years) from the original CSC study who accepted contact at 30-month follow-up and provided informed consent at 60-month follow-up were eligible. The interventions were delivered in school classrooms through an online delivery format and used a mixture of peer cartoon storyboards and classroom activities that were focused on alcohol, cannabis, anxiety, and depression. Participants took part in two web-based assessments at 60-month and 72-month follow-up. Primary outcomes were alcohol use, cannabis use, anxiety, and depression, measured by self-reported surveys and analysed by intention to treat (ie, in all students who were eligible at baseline). This trial is registered with the Australian New Zealand Clinical Trials Registry (ACTRN12613000723785), including the extended follow-up study., Findings: Of 6386 students enrolled from 71 schools, 1556 (24·4%) were randomly assigned to education as usual, 1739 (27·2%) to CSSU, 1594 (25·0%) to CSMH, and 1497 (23·4%) to CSC. 311 (22·2%) of 1401 participants in the control group, 394 (26·4%) of 1495 in the CSSU group, 477 (37·%) of 1289 in the CSMH group, and 400 (32·5%) of 1232 in the CSC group completed follow-up at 72 months. Adolescents in the CSC group reported slower year-by-year increases in weekly alcohol use (odds ratio 0·78 [95% CI 0·66-0·92]; p=0·0028) and heavy episodic drinking (0·69 [0·58-0·81]; p<0·0001) than did the control group. However, significant baseline differences between groups for drinking outcomes, and no difference in the predicted probability of weekly or heavy episodic drinking between groups were observed at 72 months. Sensitivity analyses increased uncertainty around estimates. No significant long-term differences were observed in relation to alcohol use disorder, cannabis use, cannabis use disorder, anxiety, or depression. No adverse events were reported during the trial., Interpretation: We found some evidence that a universal online programme for the prevention of anxiety, depression, and substance use delivered in early adolescence is effective in reducing the use and harmful use of alcohol into early adulthood. However, confidence in these findings is reduced due to baseline differences, and we did not see a difference in the predicted probability of drinking between groups at 72-month follow-up. These findings suggest that a universal prevention programme in adolescence is not sufficient to have lasting effects on mental health and substance use disorders in the long term. In addition to baseline differences, substantial attrition warrants caution in interpretation and the latter factor highlights the need for future long-term follow-up studies to invest in strategies to increase engagement., Funding: Australian National Health and Medical Research Council., Competing Interests: Declaration of interests MT and NCN are two of the developers of the OurFutures programmes (formerly Climate Schools) and are members of the OurFutures Institute, a not-for-profit charity that distributes the OurFutures programmes to maximise social wellbeing. All other authors declare no competing interests., (Copyright © 2024 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license. Published by Elsevier Ltd.. All rights reserved.)

Background: Lifetime trajectories of mental ill-health are often established during adolescence. Effective interventions to prevent the emergence of mental health problems are needed. In the current study we assessed the efficacy of the cognitive behavioural therapy (CBT)-informed Climate Schools universal eHealth preventive mental health programme, relative to a control. We also explored whether the intervention had differential effects on students with varying degrees of social connectedness., Method: We evaluated the efficacy of the Climate Schools mental health programme (19 participating schools; average age at baseline was 13.6) v. a control group (18 participating schools; average age at baseline was 13.5) which formed part of a large cluster randomised controlled trial in Australian schools. Measures of internalising problems, depression and anxiety were collected at baseline, immediately following the intervention and at 6-, 12- and 18-months post intervention. Immediately following the intervention, 2539 students provided data on at least one outcome of interest (2065 students at 18 months post intervention)., Results: Compared to controls, we found evidence that the standalone mental health intervention improved knowledge of mental health, however there was no evidence that the intervention improved other mental health outcomes, relative to a control. Student's social connectedness did not influence intervention outcomes., Conclusion: These results are consistent with recent findings that universal school-based, CBT-informed, preventive interventions for mental health have limited efficacy in improving symptoms of anxiety and depression when delivered alone. We highlight the potential for combined intervention approaches, and more targeted interventions, to better improve mental health outcomes.

Background: The Cracks in the Ice (CITI) community toolkit was developed to provide evidence-based, up-to-date information and resources about crystal methamphetamine to Australians. Given the high rates of internet use in the community and the potential for misinformation, CITI has the potential to play an important role in improving knowledge and challenging misconceptions surrounding crystal methamphetamine., Objective: This study aims to determine (1) whether the CITI toolkit is achieving its aim of disseminating evidence-based information and resources to people who use crystal methamphetamine, their family and friends, health professionals, and the general community and (2) examine the association between the use of CITI and the knowledge and attitudes about crystal methamphetamine., Methods: A cross-sectional web-based survey, open to Australian residents (aged ≥18 years), was conducted from November 2018 to March 2019. People who had previously visited the website (referred to as "website visitors" in this study) and those who had not ("naïve") were recruited. At baseline, knowledge, attitudes, and demographics were assessed. CITI website visitors then completed a series of site evaluation questions, including the System Usability Scale (SUS), and naïve participants were asked to undertake a guided site tour of a replicated version of the site before completing the evaluation questions and repeating knowledge and attitude scales., Results: Of a total 2108 participants, 564 (26.7%) reported lifetime use of crystal methamphetamine, 434 (20.6%) were family/friends, 288 (13.7%) were health professionals, and 822 (38.9%) were community members. The average SUS score was 73.49 (SD 13.30), indicating good site usability. Health professionals reported significantly higher SUS scores than community members (P=.02) and people who used crystal methamphetamine (P<.001). Website visitors had significantly higher baseline knowledge than naïve participants (P<.001). Among naïve participants, knowledge scores increased following exposure to the website (mean 15.2, SE 0.05) compared to baseline (mean 14.4, SE 0.05; P<.001). The largest shifts in knowledge were observed for items related to prevalence, legal issues, and the effects of the drug. Stigmatizing attitude scores among the naïve group were significantly lower following exposure to CITI (mean 41.97, SE 0.21) compared to baseline (mean 44.3, SE 0.21; P<.001)., Conclusions: This study provides an innovative evaluation of a national eHealth resource. CITI is achieving its aim of disseminating evidence-based, nonstigmatizing, and useful information and resources about crystal methamphetamine to key end user groups and has received good usability scores across its target groups. Interaction with CITI led to immediate improvements in knowledge about crystal methamphetamine and a decrease in stigmatizing attitudes. CITI demonstrates the important role of digital information and support platforms for translating evidence into practice and improving knowledge and reducing stigma., (©Steph Kershaw, Louise Birrell, Hannah Deen, Nicola C Newton, Lexine A Stapinski, Katrina E Champion, Frances Kay-Lambkin, Maree Teesson, Cath Chapman. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 10.08.2021.)

Background: Crystal methamphetamine attracts an elevated level of negative attention in Australia and internationally, however there is a paucity of research into stigma and discrimination surrounding this drug. This study aimed to investigate and compare levels of public stigma, self-stigma and discrimination surrounding crystal methamphetamine use in a large sample of Australian residents., Methods: A cross-sectional online survey, open to all Australian residents aged 18 years and over, was conducted from November 2018 to March 2019 examining stigmatising attitudes towards people who use crystal methamphetamine. Respondents also reported any personal history of crystal methamphetamine use and experiences of discrimination. Multiple linear regression examined whether prior crystal methamphetamine use was associated with holding stigmatising attitudes. Covariates included in the analysis were presence of a family member or friend who uses crystal methamphetamine, knowledge about crystal methamphetamine, gender, age and region., Results: A total of 2108 Australian participants completed the study (mean age = 36.3 years; 59% females; 27% had used crystal methamphetamine). Many participants reported being discriminated against because of their crystal methamphetamine use. Stigmatising attitudes were prevalent, particularly among those who hadn't used crystal methamphetamine (p<.001). Others more likely to endorse stigmatising attitudes included females (p=.004 vs. males), individuals with less knowledge about crystal methamphetamine (p<.001) and those living in regional (p<.001) and rural/remote locations (p<.001) compared to metropolitan areas., Conclusion: Stigma and discrimination surrounding crystal methamphetamine use was common in this sample of Australian residents, with public stigma more prevalent than self-stigma. This highlights a need for stigma reduction initiatives. Given higher levels of knowledge were associated with less stigmatising attitudes, public education campaigns providing accurate, evidence-based information about crystal methamphetamine along with guidelines and support for accurate media reporting, present promising approaches to stigma reduction. Exploration of other stigma reduction initiatives is also vital to ensuring people who use crystal methamphetamine feel supported in seeking help., Competing Interests: Declaration of Interests Cracks in the Ice was developed by researchers at the Matilda Centre for Research in Mental Health and Substance Use at the University of Sydney (HD, SK, NN, LS, LB, KC, FKL, MT, CC). The authors receive no financial or other benefits from the Cracks in the Ice website. The authors declare no conflicts of interest., (Copyright © 2020. Published by Elsevier B.V.)

Objective: This study examined the secondary mental health outcomes of two contrasting alcohol prevention approaches, whereby one intervention targets common underlying personality risk for alcohol use and mental health problems ( Preventure ) and the other targets alcohol- and drug-related behaviours and cognitions ( Climate Schools )., Methods: A 2 × 2 cluster randomised controlled factorial design trial was conducted in 26 Australian schools randomised to the following 4 conditions: Climate Schools ( n  = 6), Preventure ( n  = 7), combined Climate Schools and Preventure (CAP; n  = 6) or treatment as usual (TAU; n  = 7). Participants completed questionnaires at baseline, 6, 12, 24 and 36 months post-baseline including the Brief Symptom Inventory anxiety and depression scales and hyperactivity and conduct scales of the Strengths and Difficulties Questionnaire. Analyses focused on students who were at high-risk based on personality traits ( n  = 947; M age  = 13.3). The effectiveness of each approach in reducing symptoms of internalising and externalising problems was assessed using multi-level mixed effects analysis., Results: Main effects for each intervention relative to not receiving that intervention revealed significant main effects of Preventure in reducing anxiety symptoms ( d  = -0.27, 95% confidence interval [CI] = [-0.53, -0.01], p  < 0.05) and a marginal effect in reducing depressive symptoms ( d  = -0.24, 95% CI = [-0.49, 0.01], p  = 0.06) over 3 years. Interaction effects revealed that when delivered alone, Preventure significantly reduced conduct problems ( d  = -0.45, 95% CI = [-0.78, -0.11], p  < 0.05) and hyperactivity symptoms ( d  = -0.38, 95% CI = [-0.70,-0.07], p  < 0.05) compared to TAU., Conclusion: This study is the first to report the effectiveness of personality-targeted alcohol prevention in reducing internalising and externalising symptoms relative to an active control, providing evidence in favour of its specificity in preventing concurrent substance use and mental health problems among high-risk youth.

Background: Substance use, depression, and anxiety in adolescence are major public health problems requiring new scalable prevention strategies. We aimed to assess the effectiveness of a combined online universal (ie, delivered to all pupils) school-based preventive intervention targeting substance use, depression, and anxiety in adolescence., Methods: We did a multicentre, cluster-randomised controlled trial in secondary schools in Australia, with pupils in year 8 or 9 (aged 13-14 years). Participating schools were randomly assigned (1:1:1:1) to one of four intervention conditions: (1) Climate Schools-Substance Use, focusing on substance use only; (2) Climate Schools-Mental Health, focusing on depression and anxiety only; (3) Climate Schools-Combined, focusing on the prevention of substance use, depression, and anxiety; or (4) active control. The interventions were delivered in school classrooms in an online delivery format and used a mixture of peer cartoon storyboards and classroom activities that were focused on alcohol, cannabis, anxiety, and depression. The interventions were delivered for 2 years and primary outcomes were knowledge related to alcohol, cannabis, and mental health; alcohol use, including heavy episodic drinking; and depression and anxiety symptoms at 12, 24, and 30 months after baseline. This trial is registered with the Australian New Zealand Clinical Trials Registry (ACTRN12613000723785) and an extended follow-up is underway., Findings: Between Sept 1, 2013, and Feb 28, 2014, we recruited 88 schools (12 391 pupils), of whom 71 schools and 6386 (51·5%) pupils were analysed (17 schools dropped out and 1308 pupils declined to participate). We allocated 18 schools (1739 [27·25%] pupils; 1690 [97·2%] completed at least one follow-up) to the substance use condition, 18 schools (1594 [25·0%] pupils; 1560 [97·9%] completed at least one follow-up) to the mental health condition, 16 schools (1497 [23·4%] pupils; 1443 [96·4%] completed at least one follow-up) to the combined condition, and 19 schools (1556 [23·4%] pupils; 1513 [97·2%] completed at least one follow-up) to the control condition. Compared with controls, the combined intervention group had increased knowledge related to alcohol and cannabis at 12, 24, and 30 months (standardised mean difference [SMD] for alcohol 0·26 [95% CI 0·14 to 0·39] and for cannabis 0·17 [0·06 to 0·28] at 30 months), increased knowledge related to mental health at 24 months (0·17 [0·08 to 0·27]), reduced growth in their odds of drinking and heavy episodic drinking at 12, 24, and 30 months (odds ratio for drinking 0·25 [95% CI 0·12 to 0·51], and for heavy episodic drinking 0·15 [0·04 to 0·58] at 30 months), and reduced increases in anxiety symptoms at 12 and 30 months (SMD -0·12 [95% CI -0·22 to -0·01] at 30 months). We found no difference in symptoms or probable diagnosis of depression. The combined intervention group also showed improvement in alcohol use outcomes compared with the substance use and mental health interventions and improvements in anxiety outcomes when compared with the mental health intervention only., Interpretation: Combined online prevention of substance use, depression, and anxiety led to increased knowledge of alcohol, cannabis, and mental health, reduced increase in the odds of any drinking and heavy episodic drinking, and reduced symptoms of anxiety over a 30-month period. These findings provide the first evidence of the effectiveness of an online universal school-based preventive intervention targeting substance use, depression, and anxiety in adolescence., Funding: Australian National Health and Medical Research Council., (Copyright © 2020 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND 4.0 license. Published by Elsevier Ltd.. All rights reserved.)