About this trial
This study evaluates a transdiagnostic Internet-delivered cognitive behavioural therapy (ICBT) recently tailored for Canadian public safety personnel (PSP) reporting symptoms of depression, anxiety, or posttraumatic stress. Outcomes of interest include engagement with the intervention, changes in symptoms and functioning, and strengths and limitations of implementing ICBT with Canadian PSP.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
18 years of age or older
residing in a Canadian province or territory in which PSPNET is able to offer services
endorsing symptoms of anxiety, depression, or post-traumatic stress
able to access a computer and internet service
Disqualifiers
high suicide risk
suicide attempt or hospitalization in the last year
primary problems with psychosis, alcohol or drug problems, mania
currently receiving regular psychological treatment for anxiety or depression
Trial design
Single group
Treatments tested in this trial
PSP Wellbeing Course
BehavioralA tailored ICBT intervention will be delivered to public safety personnel who report symptoms of depression, anxiety, or posttraumatic stress. Clients will choose whether they prefer weekly therapist support, twice-weekly support, or monitored optional support. The intervention is designed to be completed in 8 weeks, but clients will be able to extend their access to therapist support by an additional 8 weeks (i.e., up to 16 weeks in total).
Treatment groups
Trial outcomes
Primary outcomes
Change in depression
Patient Health Questionnaire - 9 Item (PHQ-9). Higher total scores indicate greater severity of depression. Scores range from 0 to 27. Note: this measure is only administered at weeks 9 through 16 for clients who are still engaged in treatment at those timepoints.
Change in anxiety
Generalized Anxiety Disorder - 7 Item (GAD-7). Higher total scores indicate greater severity of anxiety. Scores range from 0 to 21. Note: this measure is only administered at weeks 9 through 16 for clients who are still engaged in treatment at those timepoints.
Change in posttraumatic stress
PTSD Checklist for DSM-5 (PCL-5). Higher total scores indicate greater severity of posttraumatic stress. Scores range from 0 to 80.
Change in posttraumatic stress
Abbreviated PTSD Checklist - Civilian Version (PCL-C). Higher total scores indicate greater severity of posttraumatic stress. Scores range from 5 to 30. Note: this measure is only administered at weeks 9 through 16 for clients who are still engaged in treatment at those timepoints.
Secondary outcomes
Change in panic symptoms
Panic Disorder Severity Scale-Self Report (PDSS-SR), 2-item version. Higher total scores indicate greater severity of panic symptoms. Scores range from 0 to 8. Note: this measure replaced the full PDSS-SR on October 6, 2023.
Change in social anxiety
Mini-Social Phobia Inventory (Mini-SPIN): Higher total scores indicate greater severity of social anxiety, with scores ranging from 0 to 12. In the English version of the course, the Mini-SPIN replaced the 6-item Social Interaction Anxiety Scale (SIAS-6) and the 6-item Social Phobia Scale (SPS-6) on October 6th, 2023. In the French version of the course, it replaced the Social Interaction Phobia Scale (SIPS) on March 20th, 2024.
Change in anger
Dimensions of Anger Reactions (DAR-5) scale. Higher total scores indicate greater severity of anger problems. Scores range from 0 to 20.
Change in sleep problems
Insomnia Severity Index (ISI). Higher total scores indicate greater severity of sleep problems. Scores range from 0 to 28. Note: this measure was added on December 3, 2020.
Sponsors and contacts
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University of Regina
Lead sponsor
Government of Canada
Collaborator