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Background: Rates of depression are increasing among adolescents. A novel way to reduce depression is by improving sleep. We evaluated whether an app‐based intervention for insomnia improved sleep and depression, and whether changes in insomnia mediated changes in depression. Methods: We conducted a 2‐arm single‐blind randomised controlled trial at the Black Dog Institute in Australia. Adolescents 12–16 years experiencing insomnia symptoms were randomly allocated to receive Sleep Ninja, an app‐delivered cognitive behavioural therapy program for insomnia, or to an active control group involving weekly text message sleep tips. Assessments took place at baseline, 6 weeks (post‐intervention) and 14 weeks (post‐baseline). Co‐primary outcomes were symptoms of insomnia and depression at post‐intervention (primary endpoint). Intent‐to‐treat analyses were conducted. The trial is registered with the Australian and New Zealand Clinical Trials Registry, number ACTRN12619001462178. Results: Between October 25, 2019, and September 6, 2020, 264 participants were randomised to receive Sleep Ninja (n = 131) or to the control group (n = 133). Relative to the control group, those allocated to the intervention reported a greater reduction in insomnia symptoms at 6 weeks (95% CI: −2.96 to −0.41, d =.41) and 14 weeks (95% CI: −3.34 to −0.19, d =.39), and a greater reduction in depression symptoms at 6 weeks (95% CI: −3.46 to −0.56, d =.28) but not 14 weeks (p < 1). Change in insomnia mediated change in depression. No adverse events were reported. Conclusions: An app‐delivered program for insomnia could be a practical, non‐stigmatising and scalable way to reduce symptoms of insomnia and depression among adolescents experiencing difficulties getting enough good quality sleep. [ABSTRACT FROM AUTHOR]

Background: Digital, self-guided cognitive behavioral therapy (CBT) interventions circumvent many barriers to in-person therapy for young people (aged 12-24 years), although adherence to these interventions is low. The absence or insufficient disclosure of recommendations or instructions for appropriate use may account for this. As such, many young people may not self-administer these interventions appropriately or receive the optimal degree of treatment. Objective: This systematic review aims to synthesize the literature on digital CBT for depression and anxiety in young people to describe how appropriate use has been defined and communicated to users as instructions for use, to describe how adherence has been measured, and to determine the associations between adherence and treatment outcomes. Methods: A systematic review was conducted with 2 reviewers (SHL and MRA) extracting data independently. Overall, 4 electronic databases (Embase, MEDLINE, PsycINFO, and Cochrane Library) were searched in April 2021 for studies that met the following inclusion criteria: participants aged between 12 and 24 years, evaluated a digital CBT intervention targeting depression or anxiety, and reported instructions or recommendations for use or measures of adherence. Studies that evaluated non-CBT interventions or cognitive- or behavioral-only interventions were excluded. Methodological quality was assessed using the Cochrane Risk of Bias Tool and the Integrated Quality Criteria for the Review of Multiple Study Designs. Results: There were 32 manuscripts that met the inclusion criteria, of which 28 (88%) were unique studies (N=16,578 youths). Definitions of appropriate use varied among the different interventions in terms of intended recipients, duration and frequency of use, and the features used to support engagement and adherence to appropriate use definitions. Reporting of appropriate use definitions in studies was inconsistent, with no study systematically describing components of appropriate use or providing information on how recommendations for use were relayed to users. Most often, definitions of appropriate use were derived from the study protocol and descriptions of intervention features. Adherence was mostly operationalized as the degree of intervention completion; however, reporting of adherence data was heterogeneous. There was little evidence of an association between degree of use and outcomes in the 9 studies that examined this. Conclusions: Definitions of appropriate use are unique to each digital CBT intervention. However, statements of appropriate use are not systematically reported in the literature. Furthermore, the extent to which recommendations for use are communicated to users is not routinely reported. Despite unique definitions of appropriate use, adherence was most often generically operationalized as the degree of intervention completion and was not consistently associated with outcomes. We proposed a framework to promote systematic reporting of definitions of appropriate use for digital interventions to provide guidance to users and to assist the development of appropriate and nuanced measures of adherence. [ABSTRACT FROM AUTHOR]

Background: This study evaluated the acceptability and effectiveness of a relationship‐focussed mobile phone application (WeClick) for improving depressive symptoms and other mental health outcomes in adolescents. Methods: A randomised controlled trial involving 193 youth (M age: 14.82, SD: 0.94, 86.5% female) from Australia was conducted. Youth were recruited via the Internet and randomly allocated to the intervention or a 4‐week wait list control condition, stratified for age and gender. The primary outcome was change in depressive symptom scores measured using the Patient Health Questionnaire for Adolescents (PHQ‐A) at baseline, 4‐week post‐test and 12‐week follow‐up. Secondary outcomes included anxiety, psychological distress, wellbeing, help‐seeking intentions for mental health, social self‐efficacy and social support. Participants in the intervention condition received access to the intervention for four weeks. Thematic analysis was utilised to identify and examine acceptability. Results: The change in PHQ‐A scores from baseline to 4‐week post‐test did not differ significantly (d = 0.26, p =.138) between the intervention (Mchange = −2.9, SD = 5.3) and wait list control conditions (Mchange = −1.7, SD = 4.3). However, significant between‐group improvements were observed in wellbeing (d = 0.37, p =.023), help‐seeking intentions (d = 0.36, p =.016) and professional help‐seeking intentions for mental health problems (d = 0.36, p =.008). Increases in help‐seeking intentions were sustained at follow‐up in the intervention condition. No differential effects were found for generalised anxiety, separation anxiety, social self‐efficacy or for any social support outcomes. Over 90% of participants indicated the app was enjoyable, interesting and easy to use. The app provided 'advice and direction' (n = 42; 46.15%), an 'opportunity for self‐reflection' (n = 33; 36.3%) and 'normalised experiences' (n = 21; 23.1%). Conclusions: The WeClick app was found to be effective for improving wellbeing and help‐seeking intentions for mental health in adolescents. A larger, adequately powered trial is now required to establish differential effects on depressive symptoms. This trial was registered with the Australian New Zealand Clinical Trials Registry (ANZCTR): ACTRN12618001982202. [ABSTRACT FROM AUTHOR]

Background: General Practitioners (GPs) are ideally placed to identify and manage emerging mental illness in young people, however, many report low levels of confidence in doing so. A web-based universal screening service delivered via a mobile tablet, Youth StepCare, was developed to assist GPs in identifying depression and anxiety symptoms in youth patients. This service also provided evidence-based treatment recommendations and fortnightly monitoring of symptoms. The current study assessed the feasibility and acceptability of delivering the Youth StepCare service in Australian general practices. Methods: A 12-week uncontrolled trial was undertaken between August 2018 and January 2019 in two general practices in NSW, Australia. The service was offered to all youth patients aged 14 to 17 years who visited a participating GP during the screening period with their parent or guardian. Youth patients reported the presence of depressive and anxiety symptoms using the self-report Patient Health Questionnaire-9 and the Generalised Anxiety Disorder Questionnaire-7. New cases were defined as those who reported symptoms but were not currently seeking help from their GP, nor had sought help in the past. Feasibility and acceptability among GPs and practice staff were assessed using a battery of questionnaires. Results: Five GPs and 6 practice staff took part. A total of 46 youth patients were approached, 28 consented, and 19 completed the screener (67.9%). Nine reported symptoms of anxiety or depression, two of which were new cases (22.2%). GPs and practice staff were satisfied with the service, reporting that there was a need for the service and that they would use it again. Conclusions: The Youth StepCare service appears to be a useful tool for identifying youth with unidentified symptoms of mental illness that can be easily embedded into general practice. Further research would benefit from exploring the factors affecting initial GP uptake and a larger trial is required to determine the efficacy of the service on young people's symptom reduction. [ABSTRACT FROM AUTHOR]