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Factors associated with change in self-reported physical activity in the very old: The Newcastle 85+ study

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  • Antoneta Granic
  • Karen Davies
  • Richard M Dodds
  • Rachel Duncan
  • Germaine Uwimpuhwe
  • Eduwin Pakpahan
  • Siân Robinson
  • Avan A Sayer

Abstract

Background: Higher physical activity (PA) has been linked to better health and functioning. Trajectories of PA and associated factors have been studied in older adults aged ≥65, but less is known about influences on PA change in the very old (aged ≥85). Objective: To investigate factors associated with self-reported PA and PA change over time in very old adults. Methods: 845 participants in the Newcastle 85+ Study were followed for health and functioning at 1.5-, 3-, and 5-year follow-up (wave 2 to 4). PA scores (range 0–18) and PA levels (low (PA scores 0–1), medium (2–6) and high (7–18)) were determined using a purpose-designed PA questionnaire. We used linear mixed models (LMM) to investigate factors associated with 5-year change in PA scores. Results: Overall, men had higher mean PA scores than women (up to 2.27 points). The highest proportion of participants (42–48%) had medium levels of PA across the waves. Although most experienced decline—stability in moderate and increases in high PA levels were also observed. The fully adjusted LMM revealed a curvilinear annual decline in PA scores of 0.52 (0.13) (β (SE), p

Suggested Citation

  • Antoneta Granic & Karen Davies & Richard M Dodds & Rachel Duncan & Germaine Uwimpuhwe & Eduwin Pakpahan & Siân Robinson & Avan A Sayer, 2019. "Factors associated with change in self-reported physical activity in the very old: The Newcastle 85+ study," PLOS ONE, Public Library of Science, vol. 14(7), pages 1-16, July.
    • Handle: RePEc:plo:pone00:0218881
    DOI: 10.1371/journal.pone.0218881
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    References listed on IDEAS

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    1. Edward McAuley & Katherine S. Hall & Robert W. Motl & Siobhan M. White & Thomas R. Wójcicki & Liang Hu & Shawna E. Doerksen, 2009. "Trajectory of Declines in Physical Activity in Community-Dwelling Older Women: Social Cognitive Influences," The Journals of Gerontology: Series B, The Gerontological Society of America, vol. 64(5), pages 543-550.
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