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Validation of health screening questionnaire used for screening gastrointestinal disorder in worker's special health examination for night time work

 ( Lee Jae-Yong ) - Catholic University College of Medicine Seoul St. Mary’s Hospital Department of Occupational and Environmental Medicine

 ( Lee Ji-Won ) - Catholic University College of Medicine Seoul St. Mary’s Hospital Department of Occupational and Environmental Medicine
 ( Choi Won-Seon ) - Korea Medical Institute Suwon Center
 ( Myong Jun-Pyo ) - Catholic University College of Medicine Seoul St. Mary’s Hospital Department of Occupational and Environmental Medicine

Abstract


Background: Since the night time work was introduced as a ‘harmful factor’ for the worker's special health examination (WSHE) in 2014, the validation of the questionnaire used for screening gastrointestinal (GI) disorder has not been conducted. The purpose of this study is to verify the validity of the questionnaire using the data of specific health screening cluster.

Methods: We used WSHE screening data for 3 years, from 2014 to 2016, in health screening cluster. The subjects who had received upper GI endoscopy in opportunistic screening and WSHE simultaneously regardless of the results of the questionnaire were selected. We tested the validity of the questionnaire using upper GI endoscopy as a gold standard.

Results: This study was conducted on 5,057 examinees in 2014, 8,352 examinees in 2015, and 10,587 examinees in 2016. The validity of the questionnaire for each year was as follows: sensitivity 12.3% (95% confidence interval [CI], 11.1?13.4), specificity 88.6% (95% CI, 87.2?90.1), accuracy 41.1% (95% CI, 39.8?42.5) in 2014, sensitivity 5.9% (95% CI, 5.2?6.5), specificity 93.6% (95% CI, 92.7?94.4), accuracy 38.6% (95% CI, 37.6?39.6) in 2015, sensitivity 6.0% (95% CI, 5.4?6.5), a specificity of 9.42% (95% CI, 93.4?95.0), accuracy of 34.2% (95% CI, 33.3?35.1) in 2016. In generally, questionnaire showed sensitivity of 10%, specificity of 90%, and accuracy of 40%.

Conclusions: Despite the purpose of WSHEs aiming to identify target disease early, the sensitivity of the questionnaire for GI disease was too low as 10%. The reasons for this are the problem of the question itself, and the problem of ambiguous target disease. In the future, the questionnaire should be improved to meet the purpose of the WSHE, and further correction of the target disease should be made.

키워드

Validity; Worker's special health examination; Questionnaire; GI disorder; Night time work
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