Cognitive impairment at older ages among 8000 men and women living in Mexico City: a cross-sectional analyses of a prospective study
2024

Cognitive Impairment in Older Adults in Mexico City

Sample size: 8197 publication 10 minutes Evidence: moderate

Author Information

Author(s): González-Carballo Carlos, Kuri-Morales Pablo, Chiquete Erwin, Rojas-Russell Mario, Santacruz-Benitez Rogelio, Ramirez-Reyes Raúl, Garcilazo-Ávila Adrián, Berumen Jaime, Trichia Eirini, Friedrichs Louisa Gnatiuc, Orellana Paulina, Ochoa-Rosales Carolina, O’Donovan Gary, Emberson Jonathan R, Tapia-Conyer Roberto, Aguilar-Ramirez Diego, Alegre-Díaz Jesus

Primary Institution: National Autonomous University of Mexico

Hypothesis

What is the prevalence of cognitive impairment among older adults in Mexico City?

Conclusion

Cognitive impairment is common among adults aged 50-89 years in Mexico City, especially in women and older age groups.

Supporting Evidence

  • 24% of participants had cognitive impairment based on MMSE scores.
  • The prevalence of cognitive impairment increased from 10% in those aged 50-59 to 55% in those aged 80-89.
  • Women had a higher prevalence of cognitive impairment than men at every age group.
  • Participants with cognitive impairment were older and had lower educational attainment.

Takeaway

This study found that many older people in Mexico City have trouble with thinking and memory, especially women and those who are older.

Methodology

Cross-sectional analysis of cognitive assessments from a resurvey of participants aged 50-89 years from the Mexico City Prospective Study.

Potential Biases

Potential bias due to reliance on self-reported data and exclusion of those with no formal education.

Limitations

The study may underestimate cognitive impairment prevalence as it excluded participants with no formal education.

Participant Demographics

Participants were aged 50-89 years, with a mean age of 66 years; 31% were men.

Statistical Information

Confidence Interval

95% confidence intervals for mean MMSE scores were reported.

Digital Object Identifier (DOI)

10.1186/s12889-024-21093-5

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