Walking in hospital is associated with a shorter length of stay in older medical inpatients

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dc.contributor.author McCullagh, Ruth
dc.contributor.author Dillon, Christina B.
dc.contributor.author Dahly, Darren L.
dc.contributor.author Horgan, N. Frances
dc.contributor.author Timmons, Suzanne
dc.date.accessioned 2016-09-28T09:35:46Z
dc.date.available 2016-09-28T09:35:46Z
dc.date.issued 2016-09-21
dc.identifier.citation McCullagh, R., Dillon, C., Dahly, D., Horgan, N.F. and Timmons, S. (2016) ‘Walking in hospital is associated with a shorter length of stay in older medical inpatients’, Physiological Measurement, 37, pp. 1872–1884. doi: 10.1088/0967-3334/37/10/1872 en
dc.identifier.volume 37 en
dc.identifier.startpage 1872 en
dc.identifier.endpage 1884 en
dc.identifier.issn 0967-3334
dc.identifier.uri http://hdl.handle.net/10468/3124
dc.identifier.doi 10.1088/0967-3334/37/10/1872
dc.description.abstract Evidence suggests that inactivity during a hospital stay is associated with poor health outcomes in older medical inpatients. We aimed to estimate the associations of average daily step-count (walking) in hospital with physical performance and length of stay in this population. Medical in-patients aged ⩾65 years, premorbidly mobile, with an anticipated length of stay ⩾3 d, were recruited. Measurements included average daily step-count, continuously recorded until discharge, or for a maximum of 7 d (Stepwatch Activity Monitor); co-morbidity (CIRS-G); frailty (SHARE F-I); and baseline and end-of-study physical performance (short physical performance battery). Linear regression models were used to estimate associations between step-count and end-of-study physical performance or length of stay. Length of stay was log transformed in the first model, and step-count was log transformed in both models. Similar models were used to adjust for potential confounders. Data from 154 patients (mean 77 years, SD 7.4) were analysed. The unadjusted models estimated for each unit increase in the natural log of stepcount, the natural log of length of stay decreased by 0.18 (95% CI −0.27 to −0.09). After adjustment of potential confounders, while the strength of the inverse association was attenuated, it remained significant (βlog(steps) = −0.15, 95%CI −0.26 to −0.03). The back-transformed result suggested that a 50% increase in step-count was associated with a 6% shorter length of stay. There was no apparent association between step-count and end-of-study physical performance once baseline physical performance was adjusted for. The results indicate that step-count is independently associated with hospital length of stay, and merits further investigation. en
dc.description.sponsorship Health Research Board (Research Fellowship Training Grant HPF 2013 451) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher IOP Publishing en
dc.rights © 2016, Institute of Physics and Engineering in Medicine. This is an author-created, un-copyedited version of an article accepted for publication in Physiological Measurement. The publisher is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://iopscience.iop.org/article/10.1088/0967-3334/37/10/1872/pdf en
dc.subject Accelerometry en
dc.subject Physical activity en
dc.subject Walking en
dc.subject Gerontology en
dc.subject Length of stay en
dc.subject Physical performance en
dc.title Walking in hospital is associated with a shorter length of stay in older medical inpatients en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Ruth McCullagh, Medicine and Health, University College Cork, Cork, Ireland. +353-21-490-3000 Email: r.mccullagh@ucc.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 12 months after publication by request of the publisher. en
dc.check.date 2017-09-21
dc.description.version Accepted Version en
dc.internal.rssid 393852839
dc.contributor.funder Health Research Board en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physiological Measurement en
dc.internal.IRISemailaddress r.mccullagh@ucc.ie
dc.internal.IRISemailaddress ddahly@ucc.ie en

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