Predictors of functional limitation trajectories after injury in a nationally representative U.S. older adult population

Teresa M. Bell, Junling Wang, Robert Nolly, Esra Ozdenerol, George Relyea, Ben L. Zarzaur

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Purpose: Studies examining postinjury functional status have demonstrated that individuals with severe injuries often do not return to baseline levels of physical functioning. We sought to investigate the impact injuries have on changes in physical functioning across the life course of older adults. The study's objectives were to (1) identify trajectories of long-term functional limitations after injury in the older adult population to better characterize the recovery process and (2) predict which individuals are most at risk for poor functional trajectories after injury. Methods: A retrospective cohort study was conducted using six waves of data from the Health and Retirement Study, which surveys Americans older than 50 years every two years. A group-based trajectory model was used to identify trajectories of functional limitations in injured participants. Using multivariate regression, we identified significant predictors of each trajectory. Results: Five distinct trajectories were identified: Trajectory 1-consistently low functional limitations scores (18.9%), Trajectory 2-increase in functional limitations after injury followed by a gradual, incomplete recovery (46.3%), Trajectory 3-increase in functional limitations followed by further decline in functioning (10.5%), Trajectory 4-increase in functional limitations after injury followed by a gradual, complete recovery (13.4%), and Trajectory 5-consistently high functional limitations scores (10.8%). Gender, multiple health conditions, and insurance status predicted trajectory membership. Conclusions: Functional limitations after injury follow distinct trajectories that can be predicted by baseline individual characteristics.

Original languageEnglish (US)
Pages (from-to)894-900
Number of pages7
JournalAnnals of epidemiology
Volume25
Issue number12
DOIs
StatePublished - Dec 1 2015

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Wounds and Injuries
Population
Insurance Coverage
Retirement
Health Insurance
Health Status
Cohort Studies
Retrospective Studies
Health

All Science Journal Classification (ASJC) codes

  • Epidemiology

Cite this

Predictors of functional limitation trajectories after injury in a nationally representative U.S. older adult population. / Bell, Teresa M.; Wang, Junling; Nolly, Robert; Ozdenerol, Esra; Relyea, George; Zarzaur, Ben L.

In: Annals of epidemiology, Vol. 25, No. 12, 01.12.2015, p. 894-900.

Research output: Contribution to journalArticle

Bell, Teresa M. ; Wang, Junling ; Nolly, Robert ; Ozdenerol, Esra ; Relyea, George ; Zarzaur, Ben L. / Predictors of functional limitation trajectories after injury in a nationally representative U.S. older adult population. In: Annals of epidemiology. 2015 ; Vol. 25, No. 12. pp. 894-900.
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