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- Title
Housing conditions and respiratory morbidity in Indigenous children in remote communities in Northwestern Ontario, Canada.
- Authors
Kovesi, Thomas; Mallach, Gary; Schreiber, Yoko; McKay, Michael; Lawlor, Gail; Barrowman, Nick; Tsampalieros, Anne; Kulka, Ryan; Root, Ariel; Kelly, Len; Kirlew, Michael; Miller, J. David
- Abstract
Background: Rates of lower respiratory tract infection (LRTI) among First Nations (FN) children living in Canada are elevated. We aimed to quantify indoor environmental quality (IEQ) in the homes of FN children in isolated communities and evaluate any associations with respiratory morbidity. Methods: We performed a crosssectional evaluation of 98 FN children (81 with complete data) aged 3 years or younger, living in 4 FN communities in the Sioux Lookout region of Northern Ontario. We performed medical chart reviews and administered questionnaires. We performed a housing inspection, including quantifying the interior surface area of mould (SAM). We monitored air quality for 5 days in each home and quantified the contaminant loading of settled floor dust, including endotoxin. We analyzed associations between IEQ variables and respiratory conditions using univariable and multivariable analyses. Results: Participants had a mean age of 1.6 years and 21% had been admitted to hospital for respiratory infections before age 2 years. Houses were generally crowded (mean occupancy 6.6 [standard deviation 2.6, range 3-17] people per house). Serious housing concerns were frequent, including a lack of functioning controlled ventilation. The mean SAM in the occupied space was 0.2 m2. In multivariable modelling, there was evidence of an association of LRTI with log endotoxin (p = 0.07) and age (p = 0.02), and for upper respiratory tract infections, with SAM (p = 0.07) and age (p = 0.03). Wheeze with colds was associated with log endotoxin (p = 0.03) and age (p = 0.04). Interpretation: We observed poor housing conditions and an association between endotoxin and wheezing in young FN children living in Northern Ontario.
- Subjects
ONTARIO; WHEEZE; INDIGENOUS children; COMMUNITIES; AIR quality monitoring; RESPIRATORY infections; LOW-income housing
- Publication
Canadian Medical Association Journal (CMAJ), 2022, Vol 3, Issue 194, pE80
- Publication type
Article
- DOI
10.1503/cmaj.202465