Ambient Air Pollution and Cardiorespiratory Outcomes amongst Adults Residing in Four Informal Settlements in the Western Province of South Africa

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dc.contributor.authorBagula, Herman
dc.contributor.authorOlaniyan, Toyib
dc.contributor.authorde Hoogh, Kees
dc.contributor.authorSaucy, Apolline
dc.contributor.authorParker, Bhawoodien
dc.contributor.authorLeaner, Joy
dc.contributor.authorRöösli, Martin
dc.contributor.authorDalvie, Mohamed Aqiel
dc.date.accessioned2022-04-04T09:42:56Z
dc.date.available2022-04-04T09:42:56Z
dc.date.issued2021-12-17
dc.date.updated2021-12-23T15:06:48Z
dc.description.abstractFew studies have investigated the relationship between ambient air pollution and cardiorespiratory outcomes in Africa. A cross-sectional study comprising of 572 adults from four informal settlements in the Western Cape, South Africa was conducted. Participants completed a questionnaire adapted from the European Community Respiratory Health Survey, and the National Health and Nutrition Examination Survey questionnaire. Exposure estimates were previously modelled using Land-Use Regression for Particulate Matter (PM<sub>2.5</sub>) and Nitrogen Dioxide (NO<sub>2</sub>) at participants&rsquo; homes. The median age of the participants was 40.7 years, and 88.5% were female. The median annual NO<sub>2</sub> level was 19.7 &micro;g/m<sup>3</sup> (interquartile range [IQR: 9.6&ndash;23.7]) and the median annual PM<sub>2.5</sub> level was 9.7 &micro;g/m<sup>3</sup> (IQR: 7.3&ndash;12.4). Logistic regression analysis was used to assess associations between outcome variables and air pollutants. An interquartile range increase of 5.12 &micro;g/m<sup>3</sup> in PM<sub>2.5</sub> was significantly associated with an increased prevalence of self-reported chest-pain, [Odds ratio: 1.38 (95% CI: 1.06&ndash;1.80)], adjusting for NO<sub>2</sub>, and other covariates. The study found preliminary circumstantial evidence of an association between annual ambient PM<sub>2.5</sub> exposure and self-reported chest-pain (a crude proxy of angina-related pain), even at levels below the South African National Ambient Air Quality Standards.
dc.identifier.apacitationBagula, H., Olaniyan, T., de Hoogh, K., Saucy, A., Parker, B., Leaner, J., ... Dalvie, M. A. (2021). Ambient Air Pollution and Cardiorespiratory Outcomes amongst Adults Residing in Four Informal Settlements in the Western Province of South Africa. <i>International Journal of Environmental Research and Public Health</i>, http://hdl.handle.net/11427/36257en_ZA
dc.identifier.chicagocitationBagula, Herman, Toyib Olaniyan, Kees de Hoogh, Apolline Saucy, Bhawoodien Parker, Joy Leaner, Martin Röösli, and Mohamed Aqiel Dalvie "Ambient Air Pollution and Cardiorespiratory Outcomes amongst Adults Residing in Four Informal Settlements in the Western Province of South Africa." <i>International Journal of Environmental Research and Public Health</i> (2021) http://hdl.handle.net/11427/36257en_ZA
dc.identifier.citationInternational Journal of Environmental Research and Public Health 18 (24): 13306 (2021)
dc.identifier.ris TY - Journal Article AU - Bagula, Herman AU - Olaniyan, Toyib AU - de Hoogh, Kees AU - Saucy, Apolline AU - Parker, Bhawoodien AU - Leaner, Joy AU - Röösli, Martin AU - Dalvie, Mohamed Aqiel AB - Few studies have investigated the relationship between ambient air pollution and cardiorespiratory outcomes in Africa. A cross-sectional study comprising of 572 adults from four informal settlements in the Western Cape, South Africa was conducted. Participants completed a questionnaire adapted from the European Community Respiratory Health Survey, and the National Health and Nutrition Examination Survey questionnaire. Exposure estimates were previously modelled using Land-Use Regression for Particulate Matter (PM<sub>2.5</sub>) and Nitrogen Dioxide (NO<sub>2</sub>) at participants&rsquo; homes. The median age of the participants was 40.7 years, and 88.5% were female. The median annual NO<sub>2</sub> level was 19.7 &micro;g/m<sup>3</sup> (interquartile range [IQR: 9.6&ndash;23.7]) and the median annual PM<sub>2.5</sub> level was 9.7 &micro;g/m<sup>3</sup> (IQR: 7.3&ndash;12.4). Logistic regression analysis was used to assess associations between outcome variables and air pollutants. An interquartile range increase of 5.12 &micro;g/m<sup>3</sup> in PM<sub>2.5</sub> was significantly associated with an increased prevalence of self-reported chest-pain, [Odds ratio: 1.38 (95% CI: 1.06&ndash;1.80)], adjusting for NO<sub>2</sub>, and other covariates. The study found preliminary circumstantial evidence of an association between annual ambient PM<sub>2.5</sub> exposure and self-reported chest-pain (a crude proxy of angina-related pain), even at levels below the South African National Ambient Air Quality Standards. DA - 2021-12-17 DB - OpenUCT DP - University of Cape Town J1 - International Journal of Environmental Research and Public Health LK - https://open.uct.ac.za PY - 2021 T1 - Ambient Air Pollution and Cardiorespiratory Outcomes amongst Adults Residing in Four Informal Settlements in the Western Province of South Africa TI - Ambient Air Pollution and Cardiorespiratory Outcomes amongst Adults Residing in Four Informal Settlements in the Western Province of South Africa UR - http://hdl.handle.net/11427/36257 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/36257
dc.identifier.uridoi.org/10.3390/ijerph182413306
dc.identifier.vancouvercitationBagula H, Olaniyan T, de Hoogh K, Saucy A, Parker B, Leaner J, et al. Ambient Air Pollution and Cardiorespiratory Outcomes amongst Adults Residing in Four Informal Settlements in the Western Province of South Africa. International Journal of Environmental Research and Public Health. 2021; http://hdl.handle.net/11427/36257.en_ZA
dc.publisherMultidisciplinary Digital Publishing Institute
dc.rights.licensehttps://creativecommons.org/licenses/by/
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.sourceInternational Journal of Environmental Research and Public Health
dc.source.urihttps://www.mdpi.com/journal/ijerph
dc.titleAmbient Air Pollution and Cardiorespiratory Outcomes amongst Adults Residing in Four Informal Settlements in the Western Province of South Africa
dc.typeJournal Article
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