Correlates of change in accelerometer-assessed total sedentary time and prolonged sedentary bouts among older English adults : results from five-year follow-up in the EPIC-Norfolk cohort
BACKGROUND: Development of effective strategies to reduce sedentary time among older adults necessitates understanding of its determinants but longitudinal studies of this utilising objective measures are scarce.
METHODS: Among 1536 older adults (≥60 years) in the EPIC-Norfolk study, sedentary time was assessed for seven days at two time-points using accelerometers. We assessed associations of change in total and prolonged bouts of sedentary time (≥ 30 minutes) with change in demographic and behavioural factors using multi-level regression.
RESULTS: Over follow-up (5.3±1.9 years), greater increases in total sedentary time were associated with older age, being male, higher rate of increase in BMI, lower rate of increase in gardening (0.5 min/day/yr greater sedentary time per hour/week/yr less gardening, 95% CI 0.1, 1.0), a lower rate of increase in walking (0.2 min/day/yr greater sedentary time per hour/week/yr less walking, 95% CI 0.1, 0.3) and a higher rate of increase in television viewing. Correlates of change in prolonged sedentary bouts were similar.
CONCLUSION: Individuals in specific sub-groups (older, male, higher BMI) and who differentially participate in certain behaviours (less gardening, less walking and more television viewing) but not others increase their sedentary time at a higher rate than others; utilising this information could inform successful intervention content and targeting.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Aging - 13(2021), 1 vom: 11. Jan., Seite 134-149 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yerrakalva, Dharani [VerfasserIn] |
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| Links: |
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| Themen: |
Bouts |
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| Anmerkungen: |
Date Completed 03.05.2021 Date Revised 14.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.18632/aging.202497 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM319951340 |
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| 245 | 1 | 0 | |a Correlates of change in accelerometer-assessed total sedentary time and prolonged sedentary bouts among older English adults |b results from five-year follow-up in the EPIC-Norfolk cohort |
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| 500 | |a Date Completed 03.05.2021 | ||
| 500 | |a Date Revised 14.02.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: Development of effective strategies to reduce sedentary time among older adults necessitates understanding of its determinants but longitudinal studies of this utilising objective measures are scarce | ||
| 520 | |a METHODS: Among 1536 older adults (≥60 years) in the EPIC-Norfolk study, sedentary time was assessed for seven days at two time-points using accelerometers. We assessed associations of change in total and prolonged bouts of sedentary time (≥ 30 minutes) with change in demographic and behavioural factors using multi-level regression | ||
| 520 | |a RESULTS: Over follow-up (5.3±1.9 years), greater increases in total sedentary time were associated with older age, being male, higher rate of increase in BMI, lower rate of increase in gardening (0.5 min/day/yr greater sedentary time per hour/week/yr less gardening, 95% CI 0.1, 1.0), a lower rate of increase in walking (0.2 min/day/yr greater sedentary time per hour/week/yr less walking, 95% CI 0.1, 0.3) and a higher rate of increase in television viewing. Correlates of change in prolonged sedentary bouts were similar | ||
| 520 | |a CONCLUSION: Individuals in specific sub-groups (older, male, higher BMI) and who differentially participate in certain behaviours (less gardening, less walking and more television viewing) but not others increase their sedentary time at a higher rate than others; utilising this information could inform successful intervention content and targeting | ||
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| 650 | 4 | |a sedentary | |
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| 700 | 1 | |a Khaw, Kay-Tee |e verfasserin |4 aut | |
| 700 | 1 | |a Wareham, Nick |e verfasserin |4 aut | |
| 700 | 1 | |a Griffin, Simon J |e verfasserin |4 aut | |
| 700 | 1 | |a Brage, Soren |e verfasserin |4 aut | |
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