Retrofitting home insulation reduces incidence and severity of chronic respiratory disease

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dc.citation.issue8
dc.citation.volume32
dc.contributor.authorFyfe C
dc.contributor.authorBarnard LT
dc.contributor.authorDouwes J
dc.contributor.authorHowden-Chapman P
dc.contributor.authorCrane J
dc.coverage.spatialEngland
dc.date.accessioned2023-06-28T20:02:27Z
dc.date.available2022-08-05
dc.date.available2023-06-28T20:02:27Z
dc.date.issued2022-08-21
dc.description.abstractTo assess whether retrofitting home insulation can reduce the risk of respiratory disease incidence and exacerbation, a retrospective cohort study was undertaken using linked data from a national intervention program. The study population was made up of 1 004 795 residents from 205 001 New Zealand houses that received an insulation subsidy though a national Energy Efficiency and Conservation Authority program. A difference-in-difference model compared changes in the number of prescriptions dispensed for respiratory illness post- insulation to a control population over the same timeframe. New prescribing of chronic respiratory disease medication at follow-up was used to compare incidence risk ratios between intervention and control groups. Chronic respiratory disease incidence was significantly lower in the intervention group at follow-up: odds ratio 0.90 (95% CI: 0.86-0.94). There was also a 4% reduction in medication dispensed for treating exacerbations of chronic respiratory disease symptoms in the intervention group compared with the control group: relative rate ratio (RRR) 0.96 (95% CI: 0.96-0.97). There was no change in medication dispensed to prevent symptoms of chronic respiratory disease RRR: 1,00 (95% CI: 0.99-1.00). These findings support home insulation interventions as a means of improving respiratory health outcomes.
dc.description.publication-statusPublished
dc.format.extente13101 - ?
dc.identifierhttps://www.ncbi.nlm.nih.gov/pubmed/36040274
dc.identifier.citationIndoor Air, 2022, 32 (8), pp. e13101 - ?
dc.identifier.doi10.1111/ina.13101
dc.identifier.eissn1600-0668
dc.identifier.elements-id455733
dc.identifier.harvestedMassey_Dark
dc.languageeng
dc.publisherJohn Wiley and Sons, Ltd
dc.relation.isPartOfIndoor Air
dc.rightsCC BY-NC 4.0
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.subjectcold
dc.subjectdamp
dc.subjecthealth
dc.subjecthousing
dc.subjectmold
dc.subjectrespiratory disease
dc.subjectAir Pollution, Indoor
dc.subjectHousing
dc.subjectHumans
dc.subjectIncidence
dc.subjectRespiratory Tract Diseases
dc.subjectRetrospective Studies
dc.subject.anzsrc04 Earth Sciences
dc.subject.anzsrc09 Engineering
dc.subject.anzsrc11 Medical and Health Sciences
dc.titleRetrofitting home insulation reduces incidence and severity of chronic respiratory disease
dc.typeJournal article
pubs.notesNot known
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Health
pubs.organisational-group/Massey University/College of Health/Research Centre for Hauora and Health
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