June R Lunney1, Steven M Albert2, Robert Boudreau3, Diane Ives3, Suzanne Satterfield4, Anne B Newman3, Tamara Harris5. 1. Hospital and Palliative Nurses Association, Pittsburgh, PA, USA. june@lunney.org. 2. Department of Behavioral and Community Health Sciences, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA. 3. Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA. 4. Posthumous, Department of Preventive Medicine, University of Tennessee, Memphis, TN, USA. 5. Laboratory of Epidemiology and Population Sciences, NIA, Bethesda, MD, USA.
Abstract
BACKGROUND: Long-term trajectories of disability comparing decedents and survivors and differences by race have not been assessed. OBJECTIVE: To examine self-reported difficulty in walking a quarter mile and the need for assistance with activities of daily living (ADL) beginning 3 years before death among decedents and age- and gender-matched survivors. DESIGN: A case-control sample drawn from the Health, Aging and Body Composition Study (Health ABC). Data were collected between 1997 and 2015. PARTICIPANTS: Of the 1991 participants who died by the end of the study, 1410 were interviewed for 3 years prior to death, including an interview 6 months before dying. Of these, 1379 decedents were successfully matched by age and gender with 1379 survivors and tracked over the same 3-year period. MAIN MEASURES: Self-reported difficulty walking a quarter mile and the ability to perform activities of daily living without assistance (bathing, dressing, transferring). KEY RESULTS: Decedents (mean age at death, 84) increased in mobility disability from 44.1% 3 years before death to 69.4% 6 months before death and in ADL disability from 32.9% to 58.4%. Among survivors, mobility disability increased from 31.4% to 40.7% and ADL disability from 17.4% to 31.4%. The proportion of decedents and survivors with mobility disability differed significantly in adjusted models at all assessment points (p < 0.0001). African-American survivors were significantly more disabled than White survivors at all points (p < 0.0001), but trajectories of disability among decedents did not differ by race in the last 18 months of life (p = 0.35). CONCLUSIONS: Trajectories of self-reported disability differ between survivors and decedents. Older adults who died were more disabled 3 years before death and also had a greater risk of increasing disability over each subsequent 6-month assessment. The gap in disability between African Americans and Whites was erased in the final 1 to 1.5 years before death.
BACKGROUND: Long-term trajectories of disability comparing decedents and survivors and differences by race have not been assessed. OBJECTIVE: To examine self-reported difficulty in walking a quarter mile and the need for assistance with activities of daily living (ADL) beginning 3 years before death among decedents and age- and gender-matched survivors. DESIGN: A case-control sample drawn from the Health, Aging and Body Composition Study (Health ABC). Data were collected between 1997 and 2015. PARTICIPANTS: Of the 1991 participants who died by the end of the study, 1410 were interviewed for 3 years prior to death, including an interview 6 months before dying. Of these, 1379 decedents were successfully matched by age and gender with 1379 survivors and tracked over the same 3-year period. MAIN MEASURES: Self-reported difficulty walking a quarter mile and the ability to perform activities of daily living without assistance (bathing, dressing, transferring). KEY RESULTS: Decedents (mean age at death, 84) increased in mobility disability from 44.1% 3 years before death to 69.4% 6 months before death and in ADL disability from 32.9% to 58.4%. Among survivors, mobility disability increased from 31.4% to 40.7% and ADL disability from 17.4% to 31.4%. The proportion of decedents and survivors with mobility disability differed significantly in adjusted models at all assessment points (p < 0.0001). African-American survivors were significantly more disabled than White survivors at all points (p < 0.0001), but trajectories of disability among decedents did not differ by race in the last 18 months of life (p = 0.35). CONCLUSIONS: Trajectories of self-reported disability differ between survivors and decedents. Older adults who died were more disabled 3 years before death and also had a greater risk of increasing disability over each subsequent 6-month assessment. The gap in disability between African Americans and Whites was erased in the final 1 to 1.5 years before death.
Entities:
Keywords:
disability mobility; end of life; functional decline; racial disparities
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