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Salud Pública

Sarah-Naomi James1, Louisa P Needham1, Jennifer M Nicholas2

  • 1University College London, London, England, United Kingdom.

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|December 23, 2025
PubMed
Resumen
Este resumen es generado por máquina.

La exposición acumulativa a riesgos modificables aumenta el riesgo de deterioro cognitivo. Sin embargo, solo la baja educación y la inactividad física predicen independientemente el declive cognitivo en la vida posterior, junto con la cognición infantil y la posición socioeconómica.

Palabras clave:
educacióninactividad físicadeterioro cognitivoprevención de demenciafactores de riesgo modificables

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Área de la Ciencia:

  • Epidemiología; Neurociencia; Salud Pública

Sus antecedentes:

  • Investigar los factores de riesgo modificables para el deterioro cognitivo es crucial para desarrollar estrategias de prevención efectivas.; Los estudios longitudinales brindan información valiosa sobre las exposiciones a lo largo de la vida y su impacto en la salud cognitiva.

Objetivo del estudio:

  • Examinar las relaciones acumulativas e individuales entre los riesgos modificables y el deterioro cognitivo en la vida posterior.; Evaluar el papel de la cognición infantil y la posición socioeconómica (SEP) en estas relaciones.

Principales métodos:

  • Se utilizaron datos de la Cohorte Británica de Nacimiento de 1946 (n=1239) con datos prospectivos del curso de vida.; Se evaluó la exposición de por vida a catorce riesgos modificables de demencia en la adultez temprana, media y tardía.; El deterioro cognitivo a los 69 años se determinó utilizando el Addenbrooke's Cognitive Examination (ACE-III).

Principales resultados:

  • Una mayor exposición acumulativa al riesgo se asoció con deterioro cognitivo (OR=1.13), una relación atenuada pero aún robusta después de ajustar por cognición infantil y SEP (OR=1.07).; Individualmente, baja educación, hipertensión, tabaquismo, inactividad física, depresión y deterioro visual se vincularon con deterioro cognitivo.; En modelos de ajuste mutuo, solo la baja educación y la inactividad física se mantuvieron como predictores robustos, junto con la cognición infantil y el SEP.

Conclusiones:

  • La baja educación y la inactividad física son predictores independientes robustos del deterioro cognitivo en la vida posterior.; La cognición infantil y la posición socioeconómica también son factores críticos en la predicción del declive cognitivo.; Los hallazgos resaltan la importancia de promover la educación, la actividad física y mejorar el estatus socioeconómico temprano para la prevención de la demencia.