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Independent Functioning in Nonagenarians Living in a Rural Italian Community: The Mugello Study.

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Functionally independent nonagenarians (people aged 90+) often maintain independence through physical activity and good cognition. Lifestyle factors significantly impact maintaining daily living activities without assistance in older adults.

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Area of Science:

  • Gerontology
  • Public Health
  • Epidemiology

Background:

  • Nonagenarians represent a rapidly expanding demographic group.
  • Understanding factors contributing to functional independence in this population is crucial for public health initiatives.

Purpose of the Study:

  • To investigate the prevalence and characteristics of functionally independent nonagenarians in a rural Italian community.
  • To identify factors associated with maintaining independence in activities of daily living among the oldest old.

Main Methods:

  • Cross-sectional analysis of 475 community-dwelling individuals aged 90 years and older from the Mugello Study.
  • Home-based clinical and functional assessments including psychosocial, clinical, functional, and lifestyle evaluations.

Main Results:

  • 15% of nonagenarians reported no need for assistance with basic and instrumental activities of daily living.
  • Independent functionality was associated with lower BMI, fewer depressive symptoms, higher physical activity, better cognitive status, and lower medication intake.
  • Disability was primarily linked to modifiable lifestyle factors.

Conclusions:

  • Lifestyle-oriented, multidimensional interventions may help preserve functionality in nonagenarians.
  • Targeting modifiable lifestyle factors could be key to promoting independence in the oldest old.