Longitudinal study of patients with Raynaud's phenomenon FRESH-PEF73231-en Pierre PLISSONNEAU-DUQUENE Longitudinal study of patients with Raynaud's phenomenon FRESH-PEF73231-en 73231 FRESH-PEF73231 Pierre PLISSONNEAU-DUQUENE CENTRE HOSPITALIER UNIVERSITAIRE DE NANTES Epidemiology France Portal (PEF) CENTRE HOSPITALIER UNIVERSITAIRE DE NANTES null Pierre;PLISSONNEAU-DUQUENE Cold Climate Raynaud incidence Dermatology Raynaud phenomenon Environmental determinants: Climate Behavioral determinants Healthcare system determinants: Use of care Environmental determinants Healthcare system determinants The objectives of this study were to evaluate the prevalence of Raynaud's phenomenon in Nantes and study the relationship between its prevalence and the cold climate. null France Pays de la Loire Individuals General population Male Female Child (6 to 12 years) Young Adult (19 to 24 years) Adult (25 to 44 years) Middle Aged (45 to 64 years) Aged (65 to 79 years) Patients aged between 10 and 80 years, seeing one of the 5 participating general practitioners between June 2011 and March 2012. Clinical data Biological data Socio-demographic data Health event/morbidity Other Through independent healthcare practitioners [500-1000[ individuals Converting or copying information into a structured record Interview with the participant (including clinical) Observational Study Observational Study 954 Unknown Restricted access Contact the principal investigator Access on specific project only