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Cannabis Use in Adults Who Screen Positive for Attention Deficit/Hyperactivity Disorder: CANreduce 2.0 Randomized Controlled Trial Subgroup Analysis

Cannabis Use in Adults Who Screen Positive for Attention Deficit/Hyperactivity Disorder: CANreduce 2.0 Randomized Controlled Trial Subgroup Analysis

Scale (SDS) score, which can range from 0 to 15, with a score >4 indicating cannabis dependence [48]; cannabis use disorder identification test score (CUDIT), which can range from 0 to 40, with a score ≥ 8 indicating hazardous cannabis use and a score ≥12 indicating possible cannabis use disorder [49]; symptoms (cut off score >14) reported using the ADHD Self-Report scale (ASRS) version 1.1, which can range from 0 to 24 [3]; depression cut off score >16, using Center for Epidemiologic Studies Depression (CES-D)

Joachim Ahlers, Christian Baumgartner, Mareike Augsburger, Andreas Wenger, Doris Malischnig, Nikolaos Boumparis, Thomas Berger, Lars Stark, David D Ebert, Severin Haug, Michael P Schaub

J Med Internet Res 2022;24(4):e30138

User Experience and Effects of an Individually Tailored Transdiagnostic Internet-Based and Mobile-Supported Intervention for Anxiety Disorders: Mixed-Methods Study

User Experience and Effects of an Individually Tailored Transdiagnostic Internet-Based and Mobile-Supported Intervention for Anxiety Disorders: Mixed-Methods Study

Pre-post data were compared with paired t tests and expressed by Cohen d and the 95% confidence interval [48,49]. We also reported the mean percentage of symptom improvement per assessment scale. As this is a pilot feasibility trial exploring data and not testing hypotheses, we decided not to implement any strategies to estimate missing data and instead used completer data only.

Kiona K K. Weisel, Anna-Carlotta Zarski, Thomas Berger, Tobias Krieger, Christian T Moser, Michael P Schaub, Dennis Görlich, Matthias Berking, David D Ebert

J Med Internet Res 2020;22(9):e16450

Efficacy of an Online Self-Help Treatment for Comorbid Alcohol Misuse and Emotional Problems in Young Adults: Protocol for a Randomized Controlled Trial

Efficacy of an Online Self-Help Treatment for Comorbid Alcohol Misuse and Emotional Problems in Young Adults: Protocol for a Randomized Controlled Trial

Inclusion criteria for participation will be as follows: (1) individuals aged 18-35 years; (2) scores >3 for women and >4 for men on a brief version of the Alcohol Use Disorders Identification Test (AUDIT-C) [33]; (3) self-reporting, at least, moderate depression or anxiety symptoms, or both, indicated by a score >16 on the Center for Epidemiological Studies Depression Scale (CES-D) [34], and a score of >10 on the Generalized Anxiety Disorder Scale (GAD-7) [35]; (4) fluency in English; and (5) having weekly

Jona R Thomas Frohlich, Karli K Rapinda, Michael P Schaub, Andreas Wenger, Christian Baumgartner, Edward A Johnson, Roisin M O'Connor, Norah Vincent, Matthijs Blankers, David D Ebert, Heather Hadjistavropoulos, Corey S Mackenzie, Matthew T Keough

JMIR Res Protoc 2018;7(11):e11298

The Effects of Social Presence on Adherence-Focused Guidance in Problematic Cannabis Users: Protocol for the CANreduce 2.0 Randomized Controlled Trial

The Effects of Social Presence on Adherence-Focused Guidance in Problematic Cannabis Users: Protocol for the CANreduce 2.0 Randomized Controlled Trial

One important component of adherence-focused guidance, as defined by Ebert et al [24], is adherence monitoring. Through these mostly automated emails, either encouraging participants to work with the self-help tool or suggesting modules that they have not yet completed, this will be implemented in both active study arms. Another crucial element of adherence-focused guidance is feedback on demand.

Manuel Patrick Amann, Severin Haug, Andreas Wenger, Christian Baumgartner, David D Ebert, Thomas Berger, Lars Stark, Marc Walter, Michael P Schaub

JMIR Res Protoc 2018;7(1):e30