Comparative Study of the Link Between the Practice of Gambling and Money and Materialism Among Problem Gamblers and Non-problem Gamblers (GAMMA)

GAMbling and MAterialism

The purpose of this study is to to explore the link between materialism and addiction to gambling and money

Study Overview

• Status: Completed
• Conditions: Gambling
• Intervention / Treatment: Other: questionnaire

• Study Type: Observational
• Enrollment (Actual): 144

Contacts and Locations

Study Locations

• France
  • Nantes, France, 44093
    • CHU de Nantes

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: Yes

• Sampling Method: Non-Probability Sample

Study Population

All new patients be seen by a doctor for a behavioral addiction in the addictology and psychiatric department

Description

Inclusion Criteria: ( specific to problem gamblers)

• subject having at least four diagnostic criteria in "Trouble linked to gambling and money" DSM-5 (APA 2013)
• subject who had written consent for participation in the EVALADD cohort
• Subject who has started treatment for a problem with the practice of gambling and money in the addictology and psychiatric department

( specific to non-problem gamblers)

• Subject playing games of chance and money at least once a year
• Subject playing games of chance and money less than once per week OR less than € 500 per year
• Subject having a score of 0-2 at ICJE questionnaire

Exclusion Criteria:

• Subject having difficulty reading or writing of the French language
• Subject having Parkinson's Disease
• Subject under guardianship

Study Plan

How is the study designed?

Number of groups / cohorts

2

Cohorts and Interventions

Group / Cohort	Intervention / Treatment
Problem glambers; The group of problem gamblers will consist of patients already included in the cohort EVALADD [favorable opinion of GNEDS 06/09/2012; CNIL authorization No. 912631 of 10.09.2013], and the data will be extracted directly from the database EVALADD	Other: questionnaire
Non-problem gamblers; The subjects of this group will be matched on sex, age and education level with the group problem gamblers. They will be recruited over the Internet and using the volunteer base [normal declaration with the CNIL: No. 1761543 of 21/05/2014].	Other: questionnaire

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Materialism level among problem gamblers compared to non-problem gamblers	To assess the total score of materialism by the Material Value Scale in 15 items (MVS-15), among a group of non-problem gamblers and a group of problem gamblers.	1 year

Collaborators and Investigators

• Sponsor: Nantes University Hospital

Study record dates

Study Major Dates

• Study Start: October 1, 2015
• Primary Completion (Actual): April 1, 2016
• Study Completion (Actual): April 1, 2016

Study Registration Dates

• First Submitted: July 19, 2016
• First Submitted That Met QC Criteria: July 19, 2016
• First Posted (Estimated): July 22, 2016

Study Record Updates

• Last Update Posted (Actual): June 24, 2026
• Last Update Submitted That Met QC Criteria: June 23, 2026
• Last Verified: July 1, 2016

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Mental Disorders; Disruptive, Impulse Control, and Conduct Disorders; Behavior; Risk-Taking; Gambling; Health Care Quality, Access, and Evaluation; Investigative Techniques; Epidemiologic Methods; Data Collection; Health Care Evaluation Mechanisms; Quality of Health Care; Public Health; Environment and Public Health; Surveys and Questionnaires
• Other Study ID Numbers: RC15_0372