J Korean Med Sci.  2013 Mar;28(3):431-437. 10.3346/jkms.2013.28.3.431.

Impact of Shiftwork on Irritable Bowel Syndrome and Functional Dyspepsia

Affiliations
  • 1Department of Internal Medicine, Ewha Medical Research Institute, Ewha Womans University School of Medicine, Seoul, Korea. jassa@ewha.ac.kr

Abstract

Disturbances in biological rhythms could lead to unfavorable health impact. This study aimed to evaluate the prevalence of functional dyspepsia (FD) and irritable bowel syndrome (IBS) in rotating shift workers, and to determine the factors that have significant association with the prevalence of FD and IBS. The research had been carried out among nurses and nursing assistants working at Ewha Womans University Mokdong Hospital between December 2010 and February 2011. The subjects completed self-reported questionnaires, including the quality of the sleep and the level of stress. The prevalence of FD and IBS defined by ROME III criteria, and factors associated the disorders in rotating shift workers were compared with those of day workers. A total of 207 subjects were included in the study with 147 rotating shift workers (71.0%), and 60 (29.0%) day workers. The prevalence of IBS in rotating shift workers was higher than that in day workers (32.7% vs 16.7%, P = 0.026). However, no significant difference in the prevalence of FD was observed between the two groups (19.7% vs 20.0%, P = 0.964). In the multivariate analysis, the risk factors for IBS were rotating shift work (OR, 2.36; 95% CI, 1.01-5.47) and poor sleep quality (OR, 4.13; 95% CI, 1.82-9.40), and the risk factors for FD were poor sleep quality (OR, 2.31; 95% CI, 1.01-5.28), and severe stress (OR, 2.19; 95% CI, 1.06-4.76). A higher prevalence of IBS among rotating shift workers could be directly associated with the circadian rhythm disturbance. The circadian rhythm disturbance may be related with the pathogenesis of IBS.

Keyword

Shiftwork; Sleep Disturbance; Irritable Bowel Syndrome; Functional Dyspepsia

MeSH Terms

Adult
Circadian Rhythm
Dyspepsia/*epidemiology
Female
Humans
Irritable Bowel Syndrome/*epidemiology
Male
Middle Aged
Multivariate Analysis
Nursing Staff, Hospital/*psychology
Odds Ratio
Prevalence
Questionnaires
Risk Factors
Severity of Illness Index
Sleep/physiology
Stress, Psychological

Figure

  • Fig. 1 Comparison of prevalence of functional gastrointestinal disorders. The prevalence of Functional Dyspepsia (FD) and Irritable Bowel Syndrome (IBS) is higher in rotating shift worker group, compared with day worker group.

  • Fig. 2 Association between sleep related indicator and functional dyspepsia (FD). Workers with FD shows significantly poorer sleep quality than those without FD. The stress score is significantly higher in rotating shift workers with FD than those without FD.

  • Fig. 3 Association between sleep related indicator and irritable bowel syndrome (IBS). Rotating shift workers with IBS shows poorer sleep quality, more daytime sleepiness and more stress than those without IBS.


Cited by  1 articles

Relationship of Shift Work to Gastrointestinal Disorders in Hospital Nurses
Eun-Ju Kim, Hye-Sun Jung, Eun-hi Choi
Korean J Health Promot. 2014;14(4):172-179.    doi: 10.15384/kjhp.2014.14.4.172.


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