Onset of frailty in older adults and the protective role of positive affect.

@article{Ostir2004OnsetOF,
  title={Onset of frailty in older adults and the protective role of positive affect.},
  author={Glenn V. Ostir and Kenneth J. Ottenbacher and Kyriakos S. Markides},
  journal={Psychology and aging},
  year={2004},
  volume={19 3},
  pages={
          402-8
        }
}
The aim of this study was to examine the longitudinal association between positive affect and onset of frailty for 1,558 initially nonfrail older Mexican Americans from the Hispanic Established Populations for Epidemiological Studies of the Elderly database. The incidence of frailty increased 7.9% during the 7-year follow-up period. High positive affect was found to significantly lower the risk of frailty. Each unit increase in baseline positive affect score was associated with a 3% decreased… 

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