167
Participants
Start Date
February 1, 2015
Primary Completion Date
April 1, 2017
Study Completion Date
December 1, 2017
Nasal swab
Nasal swab was collect to upper airways inflammation evaluation.
Questionnaires
Clinical profile and respiratory symptoms employees' evaluation were performed using specific questionnaires (European Community Respiratory Health Survey for occupational diseases evaluation (ECRHS), (adapted by Ribeiro et al, 2007) and the International Study of Asthma and Allergies in Childhood (ISAAC) - Asthma module, previously translated and validated.
Children's Institute of the Clinical Hospital of University of Sao Paulo, São Paulo
Universidade Cidade de Sao Paulo
OTHER
Instituto de Assistencia Medica ao Servidor Publico Estadual, Sao Paulo
OTHER
University of Sao Paulo
OTHER