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The Effect of a Consumer-Based Activity Tracker Intervention on Accelerometer-Measured Sedentary Time Among Retirees: A Randomized Controlled REACT Trial
University Of Turku, Turku, Finland; Turku University Hospital, Turku, Finland.
University Of Turku, Turku, Finland; Turku University Hospital, Turku, Finland.
Finnish Institute For Health And Welfare, Helsinki, Finland.
University Of Turku, Turku, Finland; Turku University Hospital, Turku, Finland.
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2022 (English)In: The journals of gerontology. Series A, Biological sciences and medical sciences, ISSN 1079-5006, E-ISSN 1758-535X, Vol. 77, no 3, p. 579-587Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Effective strategies to reverse the increasing trend of sedentary behavior after retirement are needed. The aim of this study was to examine the effect of 12-month activity tracker-based intervention on daily total and prolonged sedentary time (≥60 minutes) among recent retirees.

METHODS: Randomization to intervention and control groups was performed to 231 retirees (mean age 65.2 [SD 1.1] years, 83% women). Intervention participants wore a consumer-based wrist-worn activity tracker (Polar Loop 2, Polar, Kempele, Finland), including daily activity goal, every day and night for 12 months. The activity tracker also gave vibrating reminders to break up uninterrupted inactivity periods after 55 minutes. A wrist-worn triaxial ActiGraph wGT3X-BT accelerometer was used to measure sedentary time at baseline and at 3-, 6-, and 12-month time points.

RESULTS: The use of an activity tracker did not reduce daily total or prolonged sedentary time over 12 months (p values for time * group interaction 0.39 and 0.27, respectively). In the post hoc analysis focusing on short- and medium-term effects on prolonged sedentary time, no differences between the intervention and control groups over 3 months were found, but a tendency for a greater decrease in prolonged sedentary time in the intervention group over 6 months was seen (mean difference in changes between the groups 29 minutes, 95% CI -2 to 61).

CONCLUSIONS: The activity tracker with inactivity alerts did not elicit changes in sedentary time over 12 months among recent retirees. Alternative approaches may be needed to achieve long-term changes in sedentary time among retirees.

Clinical Trials registration Number: NCT03320746. © The Author(s) 2021. Published by Oxford University Press on behalf of The Gerontological Society of America.

Place, publisher, year, edition, pages
Cary, NC: Oxford University Press, 2022. Vol. 77, no 3, p. 579-587
Keywords [en]
Doulas, foreign-born, integration, lifestyle intervention, physical activity, pregnancy, qualitative studies, reproductive health, Prolonged sedentary time, Prompt, Retirement, Self-monitoring, Wearable device
National Category
Physiotherapy
Identifiers
URN: urn:nbn:se:hh:diva-46487DOI: 10.1093/gerona/glab107ISI: 000755657500001PubMedID: 33839766Scopus ID: 2-s2.0-85125682703OAI: oai:DiVA.org:hh-46487DiVA, id: diva2:1653527
Note

Funding: This work was supported by the Academy of Finland (309526 to T.L., 332030 to S.S.); Juho Vainio Foundation (to K.S. and T.L.), Hospital District of South-West Finland (to T.L.), Finnish Ministry of Education and Culture (to S.S.).

Available from: 2022-04-22 Created: 2022-04-22 Last updated: 2022-04-22Bibliographically approved

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Heinonen, Ilkka

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