The effect of occupational physical activity on dementia: Results from the Copenhagen Male Study
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The effect of occupational physical activity on dementia : Results from the Copenhagen Male Study. / Nabe-Nielsen, Kirsten; Holtermann, Andreas; Gyntelberg, Finn; Garde, Anne Helene; Islamoska, Sabrina; Prescott, Eva; Schnohr, Peter; Hansen, Åse Marie.
I: Scandinavian Journal of Medicine & Science in Sports, Bind 31, Nr. 2, 2021, s. 446-455.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
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TY - JOUR
T1 - The effect of occupational physical activity on dementia
T2 - Results from the Copenhagen Male Study
AU - Nabe-Nielsen, Kirsten
AU - Holtermann, Andreas
AU - Gyntelberg, Finn
AU - Garde, Anne Helene
AU - Islamoska, Sabrina
AU - Prescott, Eva
AU - Schnohr, Peter
AU - Hansen, Åse Marie
N1 - This article is protected by copyright. All rights reserved.
PY - 2021
Y1 - 2021
N2 - Leisure-time physical activity (LTPA) reduces the risk of dementia, while the effect of occupational physical activity (OPA) on dementia is uncertain. Therefore, the aim of this study was to investigate the effect of OPA on dementia. For comparison, also the association between LTPA and dementia was analyzed. In this longitudinal study, we used self-reported questionnaire data on OPA and LTPA collected in 1970-71 from 4,721 male employees, who were 40-59 years old at baseline. Dementia was identified through national registers and participants were followed from they turned 60 years and until 2016. We estimated incidence rate ratios (IRR) and adjusted for age, socioeconomic status, marital status and psychological stress. In additional analyses, we included health behavior and blood pressure and mutually adjusted OPA and LTPA. We identified 697 dementia cases during 86,557 person-years. We found an IRR of 1.48 (95% CI: 1.05-2.10) among participants with high OPA compared with participants in sedentary jobs. Participants with high LTPA had a non-significantly lower IRR of dementia compared with participants with a sedentary leisure-time. In conclusion, LTPA and OPA are differentially associated with dementia. Therefore, current recommendations regarding the beneficial effect of physical activity on dementia only apply to LTPA, and more research on OPA and dementia is needed.
AB - Leisure-time physical activity (LTPA) reduces the risk of dementia, while the effect of occupational physical activity (OPA) on dementia is uncertain. Therefore, the aim of this study was to investigate the effect of OPA on dementia. For comparison, also the association between LTPA and dementia was analyzed. In this longitudinal study, we used self-reported questionnaire data on OPA and LTPA collected in 1970-71 from 4,721 male employees, who were 40-59 years old at baseline. Dementia was identified through national registers and participants were followed from they turned 60 years and until 2016. We estimated incidence rate ratios (IRR) and adjusted for age, socioeconomic status, marital status and psychological stress. In additional analyses, we included health behavior and blood pressure and mutually adjusted OPA and LTPA. We identified 697 dementia cases during 86,557 person-years. We found an IRR of 1.48 (95% CI: 1.05-2.10) among participants with high OPA compared with participants in sedentary jobs. Participants with high LTPA had a non-significantly lower IRR of dementia compared with participants with a sedentary leisure-time. In conclusion, LTPA and OPA are differentially associated with dementia. Therefore, current recommendations regarding the beneficial effect of physical activity on dementia only apply to LTPA, and more research on OPA and dementia is needed.
U2 - 10.1111/sms.13846
DO - 10.1111/sms.13846
M3 - Journal article
C2 - 33038033
VL - 31
SP - 446
EP - 455
JO - Scandinavian Journal of Medicine & Science in Sports
JF - Scandinavian Journal of Medicine & Science in Sports
SN - 0905-7188
IS - 2
ER -
ID: 250378488