J Neurogastroenterol Motil  
Psychosocial Factors Associated With Irritable Bowel Syndrome Development in Chinese College Freshmen
Chen Jiang, Yan Xu, Stuti Sharma, Lei Zhang, Huan Wang, Jun Song, Wei Qian, Tao Bai,* and Xiaohua Hou *
Division of Gastroenterology, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
Correspondence to: Tao Bai and Xiaohua Hou are equally responsible for this study.
Tao Bai, MD
Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
Tel: +86-15802734363, Fax: +86-27-85726057, E-mail: drbaitao@126.com
Xiaohua Hou, MD
Division of Gastroenterology, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
Tel: +86-13035143646, Fax: +86-27-85726057, E-mail : houxh@medmail.com.cn
Received: January 22, 2018; Revised: December 20, 2018; Accepted: February 26, 2019; Published online: March 8, 2019.
© The Korean Society of Neurogastroenterology and Motility. All rights reserved.

cc This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background/Aims
The role of psychosocial factors on irritable bowel syndrome (IBS) in adolescents is incompletely understood. The aim of this study is to investigate the association between the psychosocial factors and the risk of developing IBS in college freshmen.
Methods
A cross-sectional survey was conducted in a randomly selected freshmen population in Wuhan China (n = 2449). Questionnaire evaluated demographics and psychosocial risks. The population was divided into 3 groups: non-discomfort, chronic abdominal discomfort and IBS. The association between the development of IBS and psychosocial factors was analyzed by ordinal and multiple logistic regression analysis.
Results
A total of 2053 (83.8%) completed this survey (mean age, 18.2 ± 0.9 years; female, 35.6%). Among them, 82 (4.0%) fulfilled the Rome III criteria for IBS. Female (odds ratio [OR], 3.31; 95% confidence interval [CI], 2.47-4.45), experience of abuse (OR, 2.44; 95% CI, 1.10-5.56), and suicidal intention (OR, 2.17; 95% CI, 1.15-4.17) were more likely to have IBS or chronic abdominal discomfort. Compared IBS with chronic abdominal discomfort, however, depression (OR, 5.55; 95% CI, 1.36-22.71) was the only dependent risk factor for IBS.
Conclusions
The prevalence of IBS in college freshmen is 4.0%, and to the freshmen, psychosocial factors such as experience of abuse, depression, and suicidal intention were associated with high risk of developing IBS.
Keywords: Child abuse; Depression; Irritable bowel syndrome; Suicide


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