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Physical Activity, Diet Quality, and Mortality among Community-Dwelling Prefrail and Frail Older Adults.


ABSTRACT: It is unknown if physical activity and diet quality are associated with the risk of poor outcomes, such as mortality, among prefrail and frail older adults. This was a population-based cohort study among 1487 prefrail and frail older-adults from the Third National Health and Nutrition Survey. Compared to participants who were sedentary (0 bouts of physical activity per week), those who were physically inactive (1-4 bouts of physical activity per week) were 24% less likely to die [HR: 0.76 (95% CI: 0.58-0.98)], and those who were physically active (?5 bouts of physical activity per week) were 34% less likely to die [HR: 0.66 (95% CI: 0.51-0.86); Ptrend?=?0.002]. Compared to participants with poor diet quality, those with fair diet quality were 26% less likely to die [HR: 0.74 (95% CI: 0.52-0.98)], and those with good diet quality were 33% less likely to die [HR: 0.67 (95% CI: 0.55-1.00); Ptrend?=?0.050]. There was a synergistic interaction between physical activity and diet quality on the risk of mortality (Pinteraction?=?0.058). Participation in physical activity and consumption of a healthy diet is associated with a lower risk of mortality among prefrail and frail older adults.

SUBMITTER: Brown JC 

PROVIDER: S-EPMC5149705 | biostudies-literature | 2016 Oct-Dec

REPOSITORIES: biostudies-literature

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Physical Activity, Diet Quality, and Mortality among Community-Dwelling Prefrail and Frail Older Adults.

Brown Justin C JC   Harhay Michael O MO   Harhay Meera N MN  

Journal of nutrition in gerontology and geriatrics 20161001 4


It is unknown if physical activity and diet quality are associated with the risk of poor outcomes, such as mortality, among prefrail and frail older adults. This was a population-based cohort study among 1487 prefrail and frail older-adults from the Third National Health and Nutrition Survey. Compared to participants who were sedentary (0 bouts of physical activity per week), those who were physically inactive (1-4 bouts of physical activity per week) were 24% less likely to die [HR: 0.76 (95% C  ...[more]

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