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Impact of an Online Discussion Forum on Self-Guided Internet-Delivered Cognitive Behavioral Therapy for Public Safety Personnel: Randomized Trial

Impact of an Online Discussion Forum on Self-Guided Internet-Delivered Cognitive Behavioral Therapy for Public Safety Personnel: Randomized Trial

There was no statistically significant difference between groups with respect to the number of lessons participants accessed by 8 weeks (t105=–0.28; P=.78; Cohen d=–0.05) or 20 weeks (t105=0.82; P=.42; Cohen d=0.16). Collapsing across groups, a sizeable minority of participants accessed all 5 lessons of the Self-Guided PSP Wellbeing Course by 8 weeks (30/107, 28%) or 20 weeks (46/107, 43%).

Hugh C McCall, Heather D Hadjistavropoulos

J Med Internet Res 2024;26:e59699

Initial Outcomes of Transdiagnostic Internet-Delivered Cognitive Behavioral Therapy Tailored to Public Safety Personnel: Longitudinal Observational Study

Initial Outcomes of Transdiagnostic Internet-Delivered Cognitive Behavioral Therapy Tailored to Public Safety Personnel: Longitudinal Observational Study

Enrollment in the PSP Wellbeing Course required clients to (a) be 18 years or older, (b) currently or formerly employed as a PSP (as defined above), (c) have access to a computer and internet service, (d) provide an emergency medical contact, and (e) reside in the province of Saskatchewan (although we later began offering the PSP Wellbeing Course in English and French to residents of Quebec as well).

Heather D Hadjistavropoulos, Hugh C McCall, David L Thiessen, Ziyin Huang, R Nicholas Carleton, Blake F Dear, Nickolai Titov

J Med Internet Res 2021;23(5):e27610

Exploring the Role of Persuasive Design in Unguided Internet-Delivered Cognitive Behavioral Therapy for Depression and Anxiety Among Adults: Systematic Review, Meta-analysis, and Meta-regression

Exploring the Role of Persuasive Design in Unguided Internet-Delivered Cognitive Behavioral Therapy for Depression and Anxiety Among Adults: Systematic Review, Meta-analysis, and Meta-regression

Previous meta-analyses of unguided ICBT for depression have found comparable mean effect sizes (Hedges g or Cohen d) ranging from 0.24 to 0.36 [12,92-95]. Our meta-analysis of unguided ICBT for anxiety yielded a mean effect size of 0.45. There was no evidence of publication bias, and the mean effect size was greater (Hedges g=0.54) after excluding studies found to be at a high risk of bias.

Hugh C McCall, Heather D Hadjistavropoulos, Christopher Richard Francis Sundström

J Med Internet Res 2021;23(4):e26939

An Internet-Delivered Cognitive Behavioral Therapy for Depression and Anxiety Among Clients Referred and Funded by Insurance Companies Compared With Those Who Are Publicly Funded: Longitudinal Observational Study

An Internet-Delivered Cognitive Behavioral Therapy for Depression and Anxiety Among Clients Referred and Funded by Insurance Companies Compared With Those Who Are Publicly Funded: Longitudinal Observational Study

Cohen d effect sizes and 95% confidence intervals were calculated for the within-group effects based on the estimated marginal mean values derived from the GEE analysis. Consistent with the literature, d=0.20 was regarded as a small effect, d=0.50, a medium effect, and d=0.80, a large effect [41]. Effect size difference of 0.20 or greater from the benchmark groups (PF clients and PF short-term disability clients) were considered to be clinically significant [41].

Heather D Hadjistavropoulos, Vanessa Peynenburg, Swati Mehta, Kelly Adlam, Marcie Nugent, Kirsten M Gullickson, Nickolai Titov, Blake Dear

JMIR Ment Health 2020;7(2):e16005