Cross-sectional survey on the severity of seasonal allergic rhinitis according to the presence of pollen and air pollution FRESH-PEF73213-en Isabella ANNESI-MAESANO Cross-sectional survey on the severity of seasonal allergic rhinitis according to the presence of pollen and air pollution Pollin’Air FRESH-PEF73213-en 73213 FRESH-PEF73213 Hélène DESQUEYROUX Roger JANKOWSKI Pascal DEMOLY Jean-Michel KLOSSEK Alain DIDIER Isabella ANNESI-MAESANO Michel THIBAUDON INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM) Epidemiology France Portal (PEF) INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM) null Hélène;DESQUEYROUX Roger;JANKOWSKI Pascal;DEMOLY Alain;DIDIER Isabella;ANNESI-MAESANO Michel;THIBAUDON rhinitis Pollution pollen allergy Allergology Allergic rhinitis due to other seasonal allergens Environmental determinants The aim of this work was to model the risk of severe seasonal allergic rhinitis (SAR) in terms of both the presence of pollen and air pollution in a large sample of patients. null France Individuals Patients 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) Patients seeing a physician for untreated allergic rhinitis between May and August 2004 Diagnosis is confirmed by the presence of nasal symptoms (nasal obstruction, rhinorrhoea, sneezing and nasal pruritus), ocular symptoms (ocular pruritus) and allergic sensitisation to major allergens Participants’ consent Clinical data Socio-demographic data Health event/morbidity Quality of life/health perception One-time cross-sectional study Other Through independent healthcare practitioners >= 20000 individuals Converting or copying information into a structured record Observational Study Observational Study 36 397 Completed study Restricted access Contact the principal investigator Access on specific project only