Effectiveness of a web-based self-help tool to reduce problem gambling: A randomized controlled trial
Effectiveness of a web-based self-help tool to reduce problem gambling: A randomized controlled trial

Summary/Abstract: Problem gambling constitutes a public health concern associated with psychopathological comorbidity, substance use, and financial difficulties. Most individuals with gambling problems avoid counseling services due to perceived stigma and their preference for self-reliance. Treatment accessibility could be improved through web-based interventions. Methods: We recruited 360 individuals with gambling problems and randomized them to a web-based intervention (n 5 185) or an active control group consisting of a self-help manual for problem gambling (n 5 175). The primary outcome was the number of days of gambling in the last 30 days. Secondary outcomes included money spent in the last 30 days, time gambling in the last 7 days, gambling-related problems, consumption of alcohol and cigarettes, and psychopathological comorbidity measured at posttreatment and 6-month follow-up. Results: The primary outcome decreased significantly for both groups, with no significant difference between the groups. There were significant group 3 time interactions according to the Gambling Symptom Assessment Scale (F 5 8.83, p < 0.001), the Patient Health Questionnaire-9 (F 5 19.41, p

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