The study is conducted at the same time by 7 French specialised centres. The recruitment period is comprised between April 2009 and September 2011.For the first stage of the study, an initial evaluation will be performed at the time of recruitment. It consists in an individual face-to-face interview based on standardized and semi-structured questionnaires, during approximately one and half hour, and focused mainly on gambling trajectory and severity, and on psychiatric and addictive comorbidities. The evaluation is completed by a set of self-administered questionnaires focused on cognitive distortions, temperament and character, ADHD, etc.For the second stage of the study, the cohort will be re-evaluated each year, based on the same questionnaires that for initial evaluation. Each participant will be followed-up during 5 years. The study will thus end up in September 2016.

The 10 psychiatric comorbidities explored by the MINI are major depressive episode, (hypo)-maniac episode, 5 anxiety disorders (panic disorder ± agoraphobia, social phobia, obsessional-compulsive disorder, PTSD, generalised anxiety disorder), substance use disorders (alcohol, other psychoactive substances), psychotic disorders, and eating disorders (anorexia nervosa and bulimia).

gender, age, marital status, educational level, professional status, professional category, and level of income per month.

psychiatric and somatic comorbidities, personality disorders, gambling habits, diagnosis and severity of pathological gambling, level of cognitive distortions, ADHD in childhood and adulthood, temperament and character.Each of these data is measured at the initial evaluation (at time of recruitment), and then each year during the time of follow-up (5 years).