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Frailty Across Age Groups.

M U Pérez-Zepeda1, J A Ávila-Funes, L M Gutiérrez-Robledo

  • 1Carmen García-Peña Head of the Research Office of the Instituto Nacional de Geriatría, Periférico Sur 2767, colonia San Jerónimo Lídice, delegación La Magdalena Contreras, ciudad de México, Distrito Federal, México. Phone number: +52 55 55739087

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Summary

This study examined the Frailty Index in Mexican adults, finding that increasing age and female gender were linked to higher frailty scores. Employment, income, and smoking were also associated with frailty across age groups.

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Area of Science:

  • Gerontology
  • Public Health
  • Biostatistics

Background:

  • The clinical utility of aging biomarkers is debated.
  • The Frailty Index, a deficit accumulation model, accurately captures frailty in older adults.
  • This index bridges biological aging markers with clinical practice.

Purpose of the Study:

  • To investigate the association between socio-demographic characteristics and the Frailty Index.
  • To analyze these associations across diverse age groups (20 to over 100 years).
  • To study a representative sample of the Mexican population.

Main Methods:

  • Cross-sectional analysis of a nationwide, population-representative survey.
  • Utilized data from the 2012 Mexican National Health and Nutrition Survey.
  • Developed a 30-item Frailty Index and employed multi-level regression models.

Main Results:

  • Analyzed 29,504 subjects, with higher Frailty Index scores observed in older age groups, particularly among women.
  • No single socio-demographic variable consistently associated with the Frailty Index across all age groups.
  • Employment, economic income, and smoking status showed consistent associations across age groups.

Conclusions:

  • This is the first report on the Frailty Index in a large, representative Latin American sample.
  • Increasing age and female gender are strongly associated with higher Frailty Index scores.
  • The findings contribute to understanding frailty in diverse populations.