A study of psychological factors associated with functional gastrointestinal disorders and use of health care
Seung-Ho Jang 1*, Sang-Yeol Lee 1, Suck-chei Choi 2, Han-Seung Ryu 2
1Department of Psychiatry, School of Medicine, Wonkwang University, Iksan, Republic of Korea, 2Department of Internal Medicine, School of Medicine, Wonkwang University, Iksan, Republic of Korea
Received: March 1, 2020; Revised: March 24, 2020; Accepted: March 24, 2020; Published online: March 24, 2020.
© The Korean College of Neuropsychopharmacology. All rights reserved.

Abstract
Objective
The purpose of this study was to analyze the symptoms of depression, anxiety, and childhood trauma in functional gastrointestinal disorder (FGID) patients who visited the brain-gut axis clinic.
Method
The study participants included 99 individuals who were diagnosed with FGID by gastroenterologists, 88 individuals who had no FGID but showed symptoms of FGID based on the Rome criteria, and 79 individuals who did not show any symptoms or were diagnosed with FGID. Symptoms of depression, anxiety, and childhood trauma were evaluated by the Korean version of Beck-depression inventory-II, Korean version of Beck anxiety inventory, and Korean version of childhood trauma questionnaire, respectively.
Result
The BDI score, BAI score, and CTQ score were significantly different between the groups. The group also had higher odds for developing anxiety as compared to the control group (OR = 10.215, 95% confidence intervals [CI]: 2.49-41.76). Additionally, the FGID group had higher odds for developing symptoms of depression (OR = 5.554, 95% CI: 2.06-14.97) and experiencing physical violence (OR = 3.128, 95% CI: 1.53-6.38) than the non-FGID group.
Discussion
This study showed that FGID patients were more likely to have symptoms of depression, severe anxiety, and childhood trauma, which were the risk factors of FGID.
Keywords: Functional gastrointestinal disorders, Depressive symptoms, Anxiety, Childhood trauma, Brain Gut Axis


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