Association between depression and mortality in older adults: The Cardiovascular Health study

Richard Schulz, Scott R. Beach, Diane G. Ives, Lynn M. Martire, Abraham A. Ariyo, Willem J. Kop

Research output: Contribution to journalArticle

433 Citations (Scopus)

Abstract

Background: Studies of the association between depressive symptoms and mortality in elderly populations have yielded contradictory findings. To address these discrepancies, we test this association using the most extensive array of sociodemographic and physical health control variables ever studied, to our knowledge, in a large population-based sample of elderly individuals. Objective: To examine the relation between baseline depressive symptoms and 6-year all-cause mortality in older persons, systematically controlling for sociodemographic factors, clinical disease, subclinical disease, and health risk factors. Methods: A total of 5201 men and women aged 65 years and older from 4 US communities participated in the study. Depressive symptoms and 4 categories of covariates were assessed at baseline. The primary outcome measure was 6-year mortality. Results: Of the 5201 participants, 984 (18.9%) died within 6 years. High baseline depressive symptoms were associated with a higher mortality rate (23.9%) than low baseline depression scores (17.7%) (unadjusted relative risk [RR], 1.41; 95% confidence interval [CI], 1.22-1.63). Depressions was also an independent predictor of mortality when controlling for sociodemographic factors (RR, 1.43; 95% CI, 1.23-1.66), prevalent clinical disease (RR, 1.25; 95% CI, 1.07- 1.45), subclinical disease indicators (RR, 1.35; 95% CI, 1.15-1.58), or biological or behavioral risk factors (RR, 1.42; 95% CI, 1.22-1.65). When the best predictors from all 4 classes of variables were included as covariates, high depressive symptoms remained an independent predictor of mortality (RR, 1.24; 95% CI, 1.06-1.46). Conclusions: High levels of depressive symptoms are an independent risk factor for mortality in community-residing older adults. Motivational depletion may be a key underlying mechanism for the depression- mortality effect.

Original languageEnglish (US)
Pages (from-to)1761-1768
Number of pages8
JournalArchives of Internal Medicine
Volume160
Issue number12
DOIs
StatePublished - Jun 26 2000

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Depression
Mortality
Health
Confidence Intervals
Population
Outcome Assessment (Health Care)

All Science Journal Classification (ASJC) codes

  • Internal Medicine

Cite this

Schulz, Richard ; Beach, Scott R. ; Ives, Diane G. ; Martire, Lynn M. ; Ariyo, Abraham A. ; Kop, Willem J. / Association between depression and mortality in older adults : The Cardiovascular Health study. In: Archives of Internal Medicine. 2000 ; Vol. 160, No. 12. pp. 1761-1768.
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abstract = "Background: Studies of the association between depressive symptoms and mortality in elderly populations have yielded contradictory findings. To address these discrepancies, we test this association using the most extensive array of sociodemographic and physical health control variables ever studied, to our knowledge, in a large population-based sample of elderly individuals. Objective: To examine the relation between baseline depressive symptoms and 6-year all-cause mortality in older persons, systematically controlling for sociodemographic factors, clinical disease, subclinical disease, and health risk factors. Methods: A total of 5201 men and women aged 65 years and older from 4 US communities participated in the study. Depressive symptoms and 4 categories of covariates were assessed at baseline. The primary outcome measure was 6-year mortality. Results: Of the 5201 participants, 984 (18.9{\%}) died within 6 years. High baseline depressive symptoms were associated with a higher mortality rate (23.9{\%}) than low baseline depression scores (17.7{\%}) (unadjusted relative risk [RR], 1.41; 95{\%} confidence interval [CI], 1.22-1.63). Depressions was also an independent predictor of mortality when controlling for sociodemographic factors (RR, 1.43; 95{\%} CI, 1.23-1.66), prevalent clinical disease (RR, 1.25; 95{\%} CI, 1.07- 1.45), subclinical disease indicators (RR, 1.35; 95{\%} CI, 1.15-1.58), or biological or behavioral risk factors (RR, 1.42; 95{\%} CI, 1.22-1.65). When the best predictors from all 4 classes of variables were included as covariates, high depressive symptoms remained an independent predictor of mortality (RR, 1.24; 95{\%} CI, 1.06-1.46). Conclusions: High levels of depressive symptoms are an independent risk factor for mortality in community-residing older adults. Motivational depletion may be a key underlying mechanism for the depression- mortality effect.",
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Association between depression and mortality in older adults : The Cardiovascular Health study. / Schulz, Richard; Beach, Scott R.; Ives, Diane G.; Martire, Lynn M.; Ariyo, Abraham A.; Kop, Willem J.

In: Archives of Internal Medicine, Vol. 160, No. 12, 26.06.2000, p. 1761-1768.

Research output: Contribution to journalArticle

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