ORIGINAL PAPER
Association between alexithymia and lower quality of life in patients with psoriasis: a cross-sectional differential study
1
Department of Biomedical and Dental Sciences and Morpho-functional Imaging, University of Messina, Messina, Italy
2
Berkshire Healthcare NHS Foundation Trust, Bracknell, United Kingdom
3
Department of Human Pathology in Adulthood and Childhood Gaetano Barresi, University of Messina, Messina, Italy
Submission date: 2026-01-22
Final revision date: 2026-08-07
Acceptance date: 2026-09-20
Online publication date: 2026-10-28
Corresponding author
Emanuele M. Merlo
Department of Biomedical and Dental Sciences and Morpho-functional Imaging, University of Messina, Messina, Italy
Department of Biomedical and Dental Sciences and Morpho-functional Imaging, University of Messina, Messina, Italy
KEYWORDS
TOPICS
ABSTRACT
Background:
Psoriasis vulgaris affects 90% of individuals with psoriasis, leading to a significant burden, reduced quality of life, and often psychopathology. Although alexithymia has been identified as a predictor of psychopathology, there is a need for studies that specifically examine its role in quality of life. This study aimed to investigate the association between alexithymia and quality of life and identify significant differences according to varying levels of alexithymia.
Participants and procedure:
One hundred and thirty-nine patients with psoriasis vulgaris aged between 18 and 83 years old (M = 29.65, SD = 14.16) were recruited to the study. The diagnostic protocol consisted of a sociodemographic questionnaire, the Toronto Alexithymia Scale-20 and SF-36. Descriptive, correlational, regression and differential analyses were performed.
Results:
Correlational analyses highlighted significant negative associations between alexithymia and quality of life. Regression analyses further identified alexithymia as a significant statistical predictor of lower quality of life. Significant differences were observed between non-alexithymic and borderline subjects, highlighting a threshold that is particularly relevant for understanding the association between alexithymia and quality of life.
Conclusions:
Alexithymia was significantly associated with lower quality of life and emerged as a significant statistical predictor of poorer quality of life. Even borderline levels of alexithymia were associated with lower quality of life. The relationship be-tween alexithymia and quality of life of patients with psoriasis should be further investigated to develop targeted interven-tions aimed at reducing this burden.
Psoriasis vulgaris affects 90% of individuals with psoriasis, leading to a significant burden, reduced quality of life, and often psychopathology. Although alexithymia has been identified as a predictor of psychopathology, there is a need for studies that specifically examine its role in quality of life. This study aimed to investigate the association between alexithymia and quality of life and identify significant differences according to varying levels of alexithymia.
Participants and procedure:
One hundred and thirty-nine patients with psoriasis vulgaris aged between 18 and 83 years old (M = 29.65, SD = 14.16) were recruited to the study. The diagnostic protocol consisted of a sociodemographic questionnaire, the Toronto Alexithymia Scale-20 and SF-36. Descriptive, correlational, regression and differential analyses were performed.
Results:
Correlational analyses highlighted significant negative associations between alexithymia and quality of life. Regression analyses further identified alexithymia as a significant statistical predictor of lower quality of life. Significant differences were observed between non-alexithymic and borderline subjects, highlighting a threshold that is particularly relevant for understanding the association between alexithymia and quality of life.
Conclusions:
Alexithymia was significantly associated with lower quality of life and emerged as a significant statistical predictor of poorer quality of life. Even borderline levels of alexithymia were associated with lower quality of life. The relationship be-tween alexithymia and quality of life of patients with psoriasis should be further investigated to develop targeted interven-tions aimed at reducing this burden.
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