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Vanessa De la Cruz-Góngora1, Marta Rivera-Pasquel2, Teresa Shamah-Levy3

  • 1Centro de Investigación en Evaluación y Encuestas, Instituto Nacional de Salud Pública. Cuernavaca, Morelos, México. vcruz@insp.mx.

Salud Publica De Mexico
|June 7, 2021
PubMed
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Anemia affects over 28% of older adults, but iron deficiency is not the primary cause. Chronic health conditions are key factors contributing to anemia in this population.

Area of Science:

  • Gerontology
  • Hematology
  • Public Health

Background:

  • Anemia and iron deficiency (ID) are prevalent health issues in older adults (OA).
  • Understanding the prevalence and associated factors is crucial for targeted interventions.

Purpose of the Study:

  • To determine the current status of anemia and ID in Mexican OA.
  • To identify sociodemographic characteristics linked to anemia and ID in OA.

Main Methods:

  • Analysis of serum and capillary blood samples from 2,902 OA participants (Ensanut 2018-19).
  • ID defined as serum ferritin <15 μg/L; anemia defined by WHO standards.
  • Logistic regression models used to identify associated factors.

Main Results:

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  • Anemia prevalence was 28.4%, ID was 5%, and iron deficiency anemia was 2.07% in OA.
  • Diabetes, renal insufficiency, advanced age, and urban residence were associated with higher odds of anemia.
  • Age group 70-79 years was the only factor associated with increased odds of ID.

    • Conclusions:

    • A significant proportion of OA experience anemia, with ID being a minor contributor.
    • Chronic comorbidities play a substantial role in the development of anemia among OA.