Global Asthma Network Phase I study in Mexico: prevalence of asthma symptoms, risk factors and altitude associations-a cross-sectional study.
Blanca Estela Del-Río-NavarroArturo BerberNayely Reyes-NoriegaElsy Maureen Navarrete-RodríguezRoberto García-AlmarazPhilippa EllwoodLuis Garcia-MarcosOmar Josué Saucedo-RamírezValente Juan Mérida-PalacioBeatriz Del Carmen Ramos-GarcíaAlberto José Escalante-DomínguezFrancisco Javier Linares-ZapiénHéctor Leonardo Moreno-GardeaGeorgina Ochoa-LópezLuis Octavio Hernández-MondragónJosé Santos Lozano-SáenzJosé Antonio Sacre-HazouriÁngeles Juan-PinedaMa Guadalupe Sánchez-CoronelNoel Rodríguez-PérezMaría de Jesús Ambriz-Morenonull nullPublished in: BMJ open respiratory research (2021)
The most important risk factors for asthma symptoms in both age groups were the presence of rhinitis and rash symptoms or diagnosis. On the other hand, sea level altitude higher than 1500 metres was a protective factor.