Abstract
Background
Recent research has linked overall dietary patterns to survival in older adults.
Objectives
The objective of this study was to determine the dietary patterns of a cohort of older
adults, and to explore associations of these dietary patterns with survival over a
10-year period. A secondary goal was to evaluate participants' quality of life and
nutritional status according to their dietary patterns.
Design
The Health, Aging, and Body Composition Study is a prospective cohort study of 3,075
older adults. In this study, all-cause mortality was assessed from baseline through
Year 10. Food intake was estimated with a modified Block food frequency questionnaire,
and dietary patterns of 2,582 participants with complete data were derived by cluster
analysis.
Results
Six dietary pattern clusters were identified, including a Healthy Foods cluster, characterized
by higher intake of low-fat dairy products, fruit, whole grains, poultry, fish, and
vegetables. Both the High-Fat Dairy Products and Sweets and Desserts clusters had
a 1.4-fold higher risk of mortality than the Healthy Foods cluster after adjusting
for potential confounders. The Healthy Foods cluster also had significantly more years
of healthy life and more favorable levels of selected nutritional biomarkers than
the other clusters.
Conclusions
A dietary pattern consistent with current guidelines to consume relatively high amounts
of vegetables, fruit, whole grains, poultry, fish, and low-fat dairy products may
be associated with superior nutritional status, quality of life and survival in older
adults.
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Biography
A. L. Anderson is a postdoctoral researcher, Department of Nutrition and Food Science, University of Maryland, College Park, MD.
Biography
N. R. Sahyoun is an associate professor, Department of Nutrition and Food Science, University of Maryland, College Park, MD.
Biography
T. B. Harris is chief, Geriatric Epidemiology Section, National Institute on Aging, Bethesda, MD.
Biography
F. A. Tylavsky is a professor, Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN.
Biography
S. E. Perry is a PhD research assistant, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA.
Biography
D. K. Houston is an assistant professor, Sticht Center on Aging, Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC.
Biography
T. F. Hue is an epidemiologist, Department of Epidemiology and Biostatistics, University of California, San Francisco.
Biography
E. S. Strotmeyer is an assistant professor, Center for Aging and Population Health, Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA.
Article info
Publication history
Accepted:
July 16,
2010
Identification
Copyright
© 2011 American Dietetic Association. Published by Elsevier Inc. All rights reserved.
