Gambling Harm Gambling behaviour
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Participants will be eligible to participate in the RCT if they: (1) when they gambled in the last 12 months(2) want support for their own gambling (3) currently reside in the Netherlands;(4) are between 16 years and 35 years old; (5) are willing to install the app on an internet-enabled smartphone; (6) are willing to receive notifications from this app; and (7) understand Dutch. The app in this pragmatic trial is thus available to any interested person who gambles, regardless of their gambling symptom severity, treatment goal (abstinence or non-abstinence), or engagement in other treatment.
Exclusion criteria
Exclusion criteria: A potential participant who meets any of the following criteria will be excluded from participation in this study: Participants who do not meet the inclusion criteria: Participants who have not gambled in the last 12 months. Participants younger than 16 years old or older than 35 years old. Are not currently reside in the Netherlands Do not want support for their own gambling Are not willing to instal the app on an internet-enabled smartphone Are not willing to receive notifications from this app Or do not understand Dutch
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary study outcomes measured after 28 days of app use and at 6 months will include self-reported gambling symptom severity (measured using the Gambling Symptom Assessment Scale G-SAS; [18]) and app acceptability (using the Subjective Quality and Perceived Impact subscales of the Mobile App Rating Scale (MARS)). | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcomes will include gambling frequency and expenditure and the cognitive processes targeted by the intervention: Gambling Readiness to Change (measured using the Gambling Readiness to Change questionnaire [19]) craving severity (measured using the Penn Gambling Craving Scale [20]), self-efficacy (measured using the Brief Situational Confidence Questionnaire-Gambling [12]), and positive outcome expectancies (measured using the Excitement, Escape, and Money subscales of the Gambling Outcome Expectancies Scale [21]). These questionnaires are selected for their good validity and reliability, and brevity, allowing participants to complete the survey within 30 minutes. | — |
Countries
Netherlands
Contacts
Amsterdam UMC