Screen-Based Sedentary Behavior, Physical Activity, and Muscle Strength in the English Longitudinal Study of Ageing
Open accessAbstract
BACKGROUND: Sarcopenia is associated with loss of independence and ill-health in the elderly although the causes remain poorly understood. We examined the association between two screen-based leisure time sedentary activities (daily TV viewing time and internet use) and muscle strength. METHODS AND RESULTS: We studied 6228 men and women (aged 64.9 ± 9.1 yrs) from wave 4 (2008-09) of the English Longitudinal Study of Ageing, a prospective study of community dwelling older adults. Muscle strength was assessed by a hand grip test and the time required to complete five chair rises. TV viewing and internet usage were inversely associated with one another. Participants viewing TV ≥ 6 hrs/d had lower grip strength (Men, B = -1.20 kg, 95% CI, -2.26, -0.14; Women, -0.75 kg, 95% CI, -1.48, -0.03) in comparison to <2 hrs/d TV, after adjustment for age, physical activity, smoking, alcohol, chronic disease, disability, depressive symptoms, social status, and body mass index. In contrast, internet use was associated with higher grip strength (Men, B = 2.43 kg, 95% CI, 1.74, 3.12; Women, 0.76 kg, 95% CI, 0.32, 1.20). These associations persisted after mutual adjustment for both types of sedentary behaviour. CONCLUSIONS: In older adults, the association between sedentary activities and physical function is context specific (TV viewing vs. computer use). Adverse effects of TV viewing might reflect the prolonged sedentary nature of this behavior.
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Fifty-six percent of older adults report watching over 2 h of TV per day.
“Fifty six percent of the older population report watching over 2 h of TV per day, 54.2% report over 3 h and 15.1% report over 4 h.”
From Prevalence of Sedentary Behavior in Older Adults: A Systematic Review (2013) · cites this paper as [29]
54.2% of older adults report watching over 3 h of TV per day.
“Fifty six percent of the older population report watching over 2 h of TV per day, 54.2% report over 3 h and 15.1% report over 4 h.”
From Prevalence of Sedentary Behavior in Older Adults: A Systematic Review (2013) · cites this paper as [29]
15.1% of older adults report watching over 4 h of TV per day.
“Fifty six percent of the older population report watching over 2 h of TV per day, 54.2% report over 3 h and 15.1% report over 4 h.”
From Prevalence of Sedentary Behavior in Older Adults: A Systematic Review (2013) · cites this paper as [29]
Hamer and Stamatakis reported that 64.6% of older adults in the UK use a computer.
“Hamer and Stamatakis [29] reported that 64.6% of older adults in the UK use a computer.”
From Prevalence of Sedentary Behavior in Older Adults: A Systematic Review (2013) · cites this paper as [29]
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- Authors
- Hamer, M., & Stamatakis, E.
- Affiliations
- North-West University (ZA)
- The University of Sydney (AU)
- Corresponding author
- Hamer, Mark
- Venue
- PLoS ONE
- Publisher
- Public Library of Science (PLoS)
- Published
- 2013-06-03
- Volume
- 8
- Issue
- 6
- Pages
- e66222
- ISSN
- 1932-6203 (ISSN-L)
- PMC
- PMC3670922
- OpenAlex
- W1997692924
- Cited by
- 132
- References
- 28
- Citations by year
- 2026: 5 · 2025: 4 · 2024: 8 · 2023: 10 · 2022: 12 · 2021: 7 · 2020: 12 · 2019: 10 · 2018: 17 · 2017: 10 · 2016: 9 · 2015: 15 · 2014: 11 · 2013: 2
- FWCI
- 8.59
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- PLoS ONE (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, other-oa)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Loughborough University Institutional Repository (Loughborough University) (submittedVersion, cc-by)
- UCL Discovery (University College London) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- Loughborough University Research Repository (Loughborough University) (submittedVersion, cc-by)
- Funders
- Government of the United Kingdom
- National Institute for Health and Care Research (CDF-2010-03-30)
- British Heart Foundation (RE/10/005/28296, 2RO1AG7644-01A1, 2RO1AG017644)
- National Institute on Aging (2R01AG7644-01A1, R01AG017644)
- Topics
- Health Sciences › Medicine › Physiology › Physical Activity and Health
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Health Sciences › Medicine › Geriatrics and Gerontology › Frailty in Older Adults
- Keywords
- screen-based sedentary behavior, television viewing, internet use, muscle strength, grip strength, sarcopenia, physical activity, older adults, physical function, computer use
- MeSH terms
- Aged, Aged, 80 and over, Aging, Female, United Kingdom, Humans, Leisure Activities, Longitudinal Studies, Male, Middle Aged, Prospective Studies, Television, Exercise, Hand Strength, Internet, Sedentary Behavior
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