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Smoking and potentially preventable hospitalisation: the benefit of smoking cessation in older ages

Tran, Bich; Falster, Michael O.; Douglas, Kirsty; Blyth, Fiona; Jorm, Louisa R.

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AIMS Reducing preventable hospitalisation is a priority for health systems worldwide. This study sought to quantify the contribution of smoking to preventable hospitalisation in older adults and the potential benefits of smoking cessation. METHODS Self-reported smoking data for 267,010 Australian men and women aged 45+ years linked with administrative hospital data were analysed using Cox's models to estimate the effects on risk of hospitalisation for congestive heart failure (CHF), diabetes...[Show more]

dc.contributor.authorTran, Bich
dc.contributor.authorFalster, Michael O.
dc.contributor.authorDouglas, Kirsty
dc.contributor.authorBlyth, Fiona
dc.contributor.authorJorm, Louisa R.
dc.date.accessioned2015-07-23T05:36:47Z
dc.date.available2015-07-23T05:36:47Z
dc.identifier.issn0376-8716
dc.identifier.urihttp://hdl.handle.net/1885/14408
dc.description.abstractAIMS Reducing preventable hospitalisation is a priority for health systems worldwide. This study sought to quantify the contribution of smoking to preventable hospitalisation in older adults and the potential benefits of smoking cessation. METHODS Self-reported smoking data for 267,010 Australian men and women aged 45+ years linked with administrative hospital data were analysed using Cox's models to estimate the effects on risk of hospitalisation for congestive heart failure (CHF), diabetes complications, chronic obstructive pulmonary disease (COPD) and angina. The impacts of smoking and quitting smoking were also quantified using risk advancement periods (RAP). RESULTS The cohort included 7% current smokers, 36% former smokers and 57% never smokers. During an average follow-up of 2.7 years, 4% of participants had at least one hospitalisation for any of the study conditions (0.8% for CHF, 1.7% for diabetes complications, 0.8% for COPD and 1.4% for angina). Compared to never smokers, the adjusted hazard ratio for hospitalisation for any of the conditions for current smokers was 1.89 (95% CI 1.75-2.03), and the RAP was 3.8 years. There were strong dose-response relationships between smoking duration, smoking intensity and cumulative smoking dose on hospitalisation risk. The excess risk of hospitalisation and RAP for COPD was reduced within 5 years of smoking cessation across all age groups, but risk reduction for other conditions was only observed after 15 years. CONCLUSION Smoking is associated with increased risk of preventable hospitalisation for chronic conditions in older adults and smoking cessation, even at older ages, reduces this risk.
dc.description.sponsorshipThe study was funded by a National Health and Medical Research Council Partnership Project Grant(#1036858) and by partner agencies the Australian Commission on Safety and Quality in Health Care, the Agency for Clinical Innovation and the NSW Bureau of Health Information.
dc.publisherElsevier
dc.rights© 2015 Elsevier Ireland Ltd.
dc.sourceDrug and Alcohol Dependence
dc.subject45 and up study
dc.subjectpreventable hospitalisation
dc.subjectrate advancement period
dc.subjectsmoking
dc.titleSmoking and potentially preventable hospitalisation: the benefit of smoking cessation in older ages
dc.typeJournal article
local.identifier.citationvolume150
dcterms.dateAccepted2015-02-14
dc.date.issued2015-03-04
local.publisher.urlhttp://www.elsevier.com/
local.type.statusPublished Version
local.contributor.affiliationDouglas, K., Medical School, The Australian National University
dc.relationhttp://purl.org/au-research/grants/nhmrc/1036858
local.identifier.essn1879-0046
local.bibliographicCitation.startpage85
local.bibliographicCitation.lastpage91
local.identifier.doi10.1016/j.drugalcdep.2015.02.028
CollectionsANU Research Publications

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