Sedentary behavior, physical activity, and mental health in older adults : An isotemporal substitution model
Tully, Mark (Ulster University)
McMullan, Ilona (Ulster University)
Blackburn, Nicole E. (Ulster University)
Wilson, Jason J. (Ulster University)
Bunting, Brendan (Ulster University)
Smith, Lee (Anglia Ruskin University)
Kee, Frank (Queen's University Belfast)
Deidda, Manuela (University of Glasgow)
Giné-Garriga, Maria (Universitat Ramon Llull)
Coll-Planas, Laura (Universitat Autònoma de Barcelona. Fundació Salut i Envelliment UAB)
Dallmeier, Dhayana (Universität Ulm)
Denkinger, Michael (Universität Ulm)
Rothenbacher, Dietrich (Universität Ulm)
Caserotti, Paolo (Syddansk Universitet)

Data:	2020
Resum:	Introduction: Regular moderate-to-vigorous physical activity (MVPA) is associated with improved mental health, but the evidence for the effect of reducing sedentary behavior (SB) or increasing light PA (LPA) in older adults is lacking. Using isotemporal substitution (IS) models, the aim of this paper was to investigate the effect of substituting SB with LPA or MVPA on associations with mental health in older adults. Methods: Data from 1360 older adults (mean age 75. 18 years) in four countries were utilized. PA and SB was measured using ActiGraph wGT3X-BT + accelerometers worn for 7 days. Self-rated mental health was measured using the Hospital and Anxiety Depression Scale (HADS). IS models estimated cross-sectional associations when 30 minutes of one behavior was substituted with another. Models were adjusted for age, sex, marital status, and educational attainment. Results: Substituting 30 minutes of SB with LPA (β -. 37; 95% CI -0. 42, -0. 32) or MVPA (β -. 14; 95% CI -0. 21, -0. 07) and substituting LPA with MVPA (β -. 11; 95% CI -0. 18, -0. 04) were associated with improvements in anxiety. However, substituting 30 minutes of SB with LPA (β. 55; 95% CI 0. 49, 0. 62) was associated with increased depression. Conclusion: Replacing 30 minutes of SB with LPA or MVPA was associated with improved anxiety symptoms in older adults. Greater benefits were observed when shifting SB and LPA to MVPA.
Ajuts:	European Commission 634270
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Isotemporal ; Light physical activity ; Mental health ; Moderate-vigorous physical activity ; Older adults
Publicat a:	Scandinavian Journal of Medicine and Science in Sports, Vol. 30 Núm. 10 (january 2020) , p. 1957-1965, ISSN 1600-0838

DOI: 10.1111/sms.13762
PMID: 32643826

9 p, 290.6 KB

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