Predicting Quality of Life on the Basis of Type D Personality in Patients with Irritable Bowel Syndrome

Mahsa Samadi Nazari, Nasser Ebrahimi Daryani, Azadeh Yaraghchi, Noorali Farrokhi, Omid Rezaei


Background :

Quality of life is a main outcome in psychosomatic disorders. Several psychological factors are mentioned for predicting the quality of life in patients who suffer from irritable bowel syndrome (IBS). The aim of this study is to determine the relationship between type D personality and quality of life in patients with IBS.

Materials and Methods:

This study enrolled 90 (52 women) IBS patients who referred to the gastroenterology clinics of Imam Khomeini

and Laleh hospitals from September to December 2012. We used the Type D Personality and IBS Quality of Life questionnaires to evaluate patients. Data were analyzed by Pearson correlation and multi-variable regression models.


Overall, 61% of patients were H. pylori positive. The mean anti-Thyroid peroxidase level in the H. pylori positive group We observed a relationship between type D personality and quality of life in patients with IBS (r=0.504, p<0.01). The results showed a 26% variation in quality of life predicted by type D personality (p<0.01, R2=0.26).


According to the results, type D personality is one of the predictors of quality of life in patients with IBS.Therefore, it is important to consider psychological factors when choosing the appropriate treatment for IBS patients.


Irritable bowel syndrome (IBS); Type D personality; Quality of life; Psychological factors; Iran

Full Text:


Copyright (c)