TY - JOUR T1 - Sex differences in respiratory symptoms JF - European Respiratory Journal JO - Eur Respir J SP - 716 LP - 716 DO - 10.1183/09031936.03.00053403 VL - 22 IS - 4 AU - R. Varraso AU - M.P. Oryszczyn AU - F. Kauffmann Y1 - 2003/10/01 UR - http://erj.ersjournals.com/content/22/4/716.abstract N2 - To the Editor: We read with interest the paper by Larsson et al. 1 in which they reported in a large population-based sample of nonsmokers that respiratory symptoms were related to environmental tobacco smoke (ETS). They gave special consideration to respiratory symptoms triggered by a variety of lower airway irritants and they showed for these symptoms that the relation was stronger in females than in males. Although, such symptoms are particularly frequent among asthmatics 2, they did not perform an analysis according to asthma. As the epidemiological study on the genetics and environment of asthma (EGEA) includes a large number of adult asthmatics, as well as controls 3, we analysed whether sex differences were observed for symptoms triggered … ER -