Cross-sectional study of the behaviour of online gamblers FRESH-PEF73069-en Jean-Michel COSTES Cross-sectional study of the behaviour of online gamblers e-ENJEU FRESH-PEF73069-en 73069 FRESH-PEF73069 Jean-Michel COSTES Vincent EROUKMANOFF Marie-Line TOVAR OBSERVATOIRE FRANCAIS DES DROGUES ET DES TENDANCES ADDICTIVES (OFDT) OBSERVATOIRE FRANCAIS DES DROGUES ET DES TENDANCES ADDICTIVES (OFDT) Epidemiology France Portal (PEF) OBSERVATOIRE FRANCAIS DES DROGUES ET DES TENDANCES ADDICTIVES (OFDT) OBSERVATOIRE FRANCAIS DES DROGUES ET DES TENDANCES ADDICTIVES (OFDT) null Jean-Michel;COSTES Online games internet user consequence chance gambling behaviour profile internet addiction General medicine Psychiatry Addiction medicine Gambling disorder, predominantly online Behavioral determinants: Addiction Behavioral determinants To document gambling and game-of-chance practices on the internet. null France Individuals General population Male Female Young Adult (19 to 24 years) Adult (25 to 44 years) Middle Aged (45 to 64 years) Aged (65 to 79 years) Aged, 80 and over (80 years and more) Individuals included in the Carré des médias internet user address database of 830,000 internet users, who volunteer to participate in the study and have gambled or played a game of chance online at least once during the last 12 months. Participant-reported health data Problematic gaming identification scale: CPGI - Canadian Problem Gambling Index Others One-time cross-sectional study Non-probability: Quota Probability: Stratified Mixed probability and non-probability Administrative database (employees pupils students etc.) [1000-10000[ individuals Interview with the participant (including clinical) Observational Study Observational Study 4000 Completed study Restricted access Transfer of the database as part of an analysis project to be submitted to the study's scientific supervisor. Access on specific project only