Mortality Following Trajectories of Mobility Limitations: The Modifying Impact of Social Factors

Terese Sara Høj Jørgensen*, Volkert Siersma, Rikke Lund, Charlotte Juul Nilsson

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Objective: How are trajectories of mobility limitations (MLs) among older adults associated with mortality? Do social factors modify these associations? Method: Group-based trajectory modeling was used to identify four trajectories of MLs over a period of 4.5 years among 3,055 older Danes. Mortality analyses were conducted using additive hazard regression models. Results: Compared to older adults without MLs, older adults with high level of MLs who experienced further increase in MLs were associated with the most additional deaths followed by older adults with no MLs at baseline who later experienced limitations and older adults with a medium ML level at baseline who later experienced further increase in limitations. Men and 80-year olds experienced more additional deaths following adverse ML trajectories than women and 75-year olds. Discussion: Trajectories that led to higher ML levels were associated with most additional deaths especially among men and in the oldest age group.

Original languageEnglish
JournalJournal of Aging and Health
Volume32
Issue number3-4
Pages (from-to)134-142
ISSN0898-2643
DOIs
Publication statusPublished - 1. Mar 2020

Keywords

  • gender difference
  • mortality
  • social inequality
  • social relations
  • trajectories of physical function

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