Title: | Impact of improved indoor air quality in Nunavik homes on children's respiratory health |
Author(s): | Poulin P; Marchand A; Levesque B; Dube M; Aubin D; Ouazia B; Duchaine C; Brisson M; |
Address: | "Institut National de sante Publique du Quebec, Quebec, Canada. National Research Council Canada, Ottawa, Canada. Chaire de Recherche du Canada sur les Bioaerosols, Universite Laval, Quebec, Canada. Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec, Universite Laval, Quebec, Canada. Nunavik Regional Board of Health and Social Services, Quebec, Canada" |
ISSN/ISBN: | 1600-0668 (Electronic) 0905-6947 (Linking) |
Abstract: | "Between 2007 and 2012, hospitalization rate related to respiratory system diseases in children =1-year-old was near 7 times higher in Nunavik compared with the whole province of Quebec. To assess the impact of poor indoor air quality (IAQ) in residential environments on children's respiratory health, the Nunavik's intervention study investigated the impact of the optimization of ventilation systems on the incidence rates of respiratory infections in children in Nunavik. Children under 10 years were recruited and categorized according to the type of ventilation system in their home: energy recovery ventilator (ERV), heat recovery ventilator (HRV), no HRV or ERV, and control groups. Children's' medical records were analyzed over a period of 50 weeks pre- and post-intervention. Clinical diagnoses were classified into 4 categories: upper respiratory infections, lower respiratory infections, otitis media, and asthma. A decrease in respiratory infections episodes was observed in all groups following intervention with the highest impact observed for HRV systems (-53.0%). Decreases in the ERV group were not significant (-21,7%) possibly due to the presence of some volatile organic compound (such as propylene glycol) and inerrant experimental bias. Nevertheless, no significant association was found between health episodes incidence and household's behaviors or IAQ" |
Keywords: | "*Air Pollutants/analysis *Air Pollution, Indoor/analysis *Asthma/epidemiology Child Humans Infant Respiratory System/chemistry *Respiratory Tract Diseases/epidemiology Nunavik children health dwellings field intervention indoor air quality respiratory inf;" |
Notes: | "MedlinePoulin, Patrick Marchand, Axelle Levesque, Benoit Dube, Marjolaine Aubin, Daniel Ouazia, Boualem Duchaine, Caroline Brisson, Mario eng Research Support, Non-U.S. Gov't England 2022/03/01 Indoor Air. 2022 Feb; 32(2):e13009. doi: 10.1111/ina.13009" |