Abstract

Introducción: En personas mayores la sarcopenia es un síndrome multifactorial, asociado con diversos eventos adversos como discapacidad, caídas y mortalidad. Objetivo: Analizar los factores clínicos, hábitos y estilos de vida asociados a sarcopenia en per sonas mayores residentes en la comunidad. Método: Estudio observacional, descriptivo transversal realizado en Talca, Chile, entre junio y noviembre de 2024. Participaron 201 personas mayores con una edad media de 71,6 años (89,4 % mujeres). La sarcopenia fue diagnosticada según criterios internacionales, mientras que los antecedentes clínicos (comorbilidades y estado nutricional), hábitos y estilos de vida se obtuvieron mediante autorreporte. Se realizó un análisis de regresión logística binaria y los re sultados se expresaron en odds ratios (OR) con sus respectivos intervalos de confianza al 95 % (IC 95 %) y p < .05. Resultados: La prevalencia de sarcopenia fue del 6,67 %. Se observó mayor probabilidad de sarcopenia en presencia de polifarmacia (OR = 4,03; IC 95 %: 1,09–18,97; p = .03), artrosis (OR = 4,44; IC 95 %: 1,08–20,87; p = .03) y déficit auditivo (OR = 4,00; IC 95 %: 1,15–13,86; p = .02). En contraste, el sobrepeso/obesidad se asoció con menor riesgo de desarrollar esta condición (OR = 0,047; IC 95 %: 0,006–0,371; p = .04). Conclusión: La polifarmacia, la artrosis y el déficit auditivo, se mostraron como factores de riesgo para la sarcopenia mientras que el sobrepeso/obesidad se asoció con un menor riesgo de desarrollarla. Estos hallazgos aportan evidencia para fortalecer las estrategias de tamizaje, prevención e intervención temprana en el contexto de la atención primaria, considerando un enfoque multidimensional.Introduction: In older adults the sarcopenia is a multifactorial syndrome associated with sev eral adverse outcomes, including disability, falls, and mortality. Objective: To analyze the clinical, lifestyle, and behavioral factors associated with sarcopenia in community-dwelling older adults. Methods: A cross-sectional, observational, and descriptive study was conducted in Talca, Chile, between June and November 2024. A total of 201 older adults participated, with a mean age of 71.6 years; 89.4% were women. Sarcopenia was diagnosed according to international criteria, while clinical variables (comorbidities and nutritional status), lifestyle behaviors, and habits were obtained through self-report. Binary logistic regression analysis was performed, and the results were expressed as odds ratios (OR) with corresponding 95% confidence intervals (95% CI) and statistical significance set at p < .05. Results: The prevalence of sarcopenia was 6.97%. A higher likelihood of sarcopenia was ob served in the presence of polypharmacy (OR = 4.03; 95% CI: 1.09–18.97; p = .03), osteoarthritis (OR = 4.44; 95% CI: 1.08–20.87; p = .03), and hearing impairment (OR = 4.00; 95% CI: 1.15– 13.86; p = .02). In contrast, overweight/obesity was associated with a significantly lower risk of developing sarcopenia (OR = 0.047; 95% CI: 0.006–0.371; p = .04). Conclusion: Polypharmacy, osteoarthritis, and hearing impairment were positively associated with sarcopenia, while overweight/obesity was inversely associated with its presence. These findings provide evidence to reinforce screening, prevention, and early intervention strategies within primary healthcare settings, emphasizing a multidimensional approach.Psicología y Ciencias de la Salu

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