Daily step count and incident diabetes in community-dwelling 70-year-olds: a prospective cohort study

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Ballin, MarcelUmeå universitet,Geriatrik,Avdelningen för hållbar hälsa (författare)

Daily step count and incident diabetes in community-dwelling 70-year-olds : a prospective cohort study

Artikel/kapitelEngelska2020

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2020-11-30
BioMed Central,2020
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LIBRIS-ID:oai:DiVA.org:umu-178366
https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-178366URI
https://doi.org/10.1186/s12889-020-09929-2DOI

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Språk:engelska
Sammanfattning på:engelska

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Background: Older adults with diabetes take fewer steps per day than those without diabetes. The purpose of the present study was to investigate the association of daily step count with incident diabetes in community-dwelling 70-year-olds.Methods: This prospective cohort study included N = 3055 community-dwelling 70-year-olds (52% women) who participated in a health examination in Umeå, Sweden during 2012–2017, and who were free from diabetes at baseline. Daily step count was measured for 1 week using Actigraph GT3X+ accelerometers. Cases of diabetes were collected from the Swedish National Patient Register. The dose-response association was evaluated graphically using a flexible parametric model, and hazard ratios (HR) with 95% confidence intervals (CI) were calculated using Cox regressions.Results: During a mean follow-up of 2.6 years, diabetes was diagnosed in 81 participants. There was an inverse nonlinear dose-response association between daily step count and incident diabetes, with a steep decline in risk of diabetes from a higher daily step count until around 6000 steps/day. From there, the risk decreased at a slower rate until it leveled off at around 8000 steps/day. A threshold of 4500 steps/day was found to best distinguish participants with the lowest risk of diabetes, where those taking ≥ 4500 steps/day, had 59% lower risk of diabetes, compared to those taking fewer steps (HR, 0.41, 95% CI, 0.25–0.66). Adjusting for visceral adipose tissue (VAT) attenuated the association (HR, 0.64, 95% CI, 0.38–1.06), which was marginally altered after further adjusting for sedentary time, education and other cardiometabolic risk factors and diseases (HR, 0.58, 95% CI, 0.32–1.05).Conclusions: A higher daily step count is associated with lower risk of incident diabetes in community-dwelling 70-year-olds. The greatest benefits occur at the lower end of the activity range, and much earlier than 10,000 steps/day. With the limitation of being an observational study, these findings suggest that promoting even a modest increase in daily step count may help to reduce the risk of diabetes in older adults. Because VAT appears to partly mediate the association, lifestyle interventions targeting diabetes should apart from promoting physical activity also aim to prevent and reduce central obesity.

Ämnesord och genrebeteckningar

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Endokrinologi och diabetes hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Endocrinology and Diabetes hsv//eng
Physical activity
Walking
Accelerometry
Metabolic syndrome
Non-communicable disease
Visceral adipose tissue
Obesity

Biuppslag (personer, institutioner, konferenser, titlar ...)

Nordström, PeterUmeå universitet,Geriatrik(Swepub:umu)peno0014 (författare)
Niklasson, JohanUmeå universitet,Geriatrik(Swepub:umu)joni0103 (författare)
Alamäki, Antti (författare)
Condell, Joan (författare)
Tedesco, Salvatore (författare)
Nordström, AnnaUmeå universitet,Avdelningen för hållbar hälsa,School of Sport Sciences, UiT the Arctic University of Norway, Tromsø, Norway(Swepub:umu)anagun97 (författare)
Umeå universitetGeriatrik (creator_code:org_t)

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Ingår i:BMC Public Health: BioMed Central20:11471-2458

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Av författaren/redakt...: Ballin, Marcel; Nordström, Peter; Niklasson, Johan; Alamäki, Antti; Condell, Joan; Tedesco, Salvato ...; visa fler...; Nordström, Anna; visa färre...

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