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Personalidad tipo D y trastornos alimentarios: Examinando los efectos mediadores en serie del apoyo social y el
Adam O'Riordan1,2, Aisling M Costello1,2
1Department of Psychology, College for Health, Community and Policy, The University of Texas at San Antonio, San Antonio, TX, USA.
Psychological reports
|February 9, 2026
Resumen
La personalidad tipo D está relacionada con trastornos alimentarios, mediados por un menor apoyo social y un mayor estrés. Sin embargo, estos efectos son impulsados principalmente por la afectividad negativa y los componentes de inhibición social.
Área de la Ciencia:
- Psicología Psicología Psicología.
- Psicología de la salud Psicología de la salud.
Sus antecedentes:
- La personalidad tipo D, marcada por la afectividad negativa y la inhibición social, se correlaciona con un mal bienestar psicológico.
- El estrés percibido y el apoyo social reducido son mediadores clave en esta asociación.
Objetivo del estudio:
- Examinar el vínculo entre la personalidad tipo D y los síntomas de trastornos alimentarios.
- Investigar las funciones mediadoras secuenciales del apoyo social y el estrés percibido.
- Evaluar el valor predictivo de la personalidad tipo D, teniendo en cuenta sus subcomponentes.
Principales métodos:
- 761 participantes (de 18 a 52 años) completaron cuestionarios para la personalidad tipo D (DS14), el apoyo social (ISEL), el estrés percibido (PSS) y los síntomas de trastornos alimentarios (EDE-QS).
- Los análisis estadísticos exploraron vías de mediación directa y secuencial.
Principales resultados:
- La personalidad tipo D mostró una asociación significativa con el aumento de los síntomas de trastornos alimentarios.
- Este vínculo fue mediado en serie por la disminución del apoyo social y el aumento del estrés percibido.
- El efecto directo de la personalidad tipo D en los trastornos alimentarios se volvió insignificante al controlar la afectividad negativa y la inhibición social.
Conclusiones:
- Los hallazgos sugieren que la personalidad tipo D influye en los trastornos alimentarios a través de un apoyo social reducido y un aumento del estrés.
- Los principales impulsores de esta relación son la afectividad negativa y las facetas de inhibición social de la personalidad tipo D.
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