The Association Between the Number of Consecutive Night Shifts and Insomnia Among Shift Workers: A Multi-Center Study

Objectives: There is a need to determine the optimal limit of consecutive night shift work to reduce insomnia caused by the accumulation of sleep problems among night shift workers. This study aimed to investigate the prevalence of insomnia caused by consecutive night shifts and evaluate the night s...

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Autores principales:	Juho Sim, Byung-Yoon Yun, Jiho Lee, Sung Kyung Kim, Seunghyun Lee, Ara Cho, Seunghan Kim, Chang-young Kim, Yeon Suh Oh, Jin-Ha Yoon
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	insomnia consecutive night shifts shift workers common data model (CDM) medical examination data Public aspects of medicine RA1-1270
Acceso en línea:	https://doaj.org/article/c1c3a6fa578443688bf9ab2da45c0386
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spelling	oai:doaj.org-article:c1c3a6fa578443688bf9ab2da45c03862021-11-17T04:34:06ZThe Association Between the Number of Consecutive Night Shifts and Insomnia Among Shift Workers: A Multi-Center Study2296-256510.3389/fpubh.2021.761279https://doaj.org/article/c1c3a6fa578443688bf9ab2da45c03862021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpubh.2021.761279/fullhttps://doaj.org/toc/2296-2565Objectives: There is a need to determine the optimal limit of consecutive night shift work to reduce insomnia caused by the accumulation of sleep problems among night shift workers. This study aimed to investigate the prevalence of insomnia caused by consecutive night shifts and evaluate the night shift duration that worsens insomnia the most, using a large amount of medical examination data.Methods: Night shift profiles and baseline demographics data of three hospitals were collected from January 2015 to December 2017. For subjects who had been examined more than once at the same institution, information corresponding to the most recent date was used. Multivariate logistic regression was performed to estimate odds ratios (ORs) and 95% confidence intervals (CIs). Pooled ORs were calculated by using the results of the three institutions.Results: Of the 33,669 participants, 31.3% were female. The average age was 41.1 ± 11.1 years and the prevalence of insomnia was 38.7% (n = 13,025). After adjusting for potential confounders and compared to workers who reported not working in consecutive night shifts, odds of insomnia were greatest among workers reporting working three consecutive nights (OR 2.65, 95% CI 1.97–3.56) followed by those working two nights (OR 1.81, 95% CI 1.45–2.26), five nights (OR 1.78, 95% CI 1.56–2.03), and four nights (OR 1.68, 95% CI 1.55–1.82).Conclusion: Our study demonstrates a significant relationship between consecutive night shift and insomnia with multicenter examination data, using common data model. This study could be a basis for establishing policies and guidelines that improve night shift workers' health.Juho SimByung-Yoon YunJiho LeeSung Kyung KimSung Kyung KimSeunghyun LeeAra ChoSeunghan KimChang-young KimYeon Suh OhJin-Ha YoonJin-Ha YoonFrontiers Media S.A.articleinsomniaconsecutive night shiftsshift workerscommon data model (CDM)medical examination dataPublic aspects of medicineRA1-1270ENFrontiers in Public Health, Vol 9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	insomnia consecutive night shifts shift workers common data model (CDM) medical examination data Public aspects of medicine RA1-1270
spellingShingle	insomnia consecutive night shifts shift workers common data model (CDM) medical examination data Public aspects of medicine RA1-1270 Juho Sim Byung-Yoon Yun Jiho Lee Sung Kyung Kim Sung Kyung Kim Seunghyun Lee Ara Cho Seunghan Kim Chang-young Kim Yeon Suh Oh Jin-Ha Yoon Jin-Ha Yoon The Association Between the Number of Consecutive Night Shifts and Insomnia Among Shift Workers: A Multi-Center Study
description	Objectives: There is a need to determine the optimal limit of consecutive night shift work to reduce insomnia caused by the accumulation of sleep problems among night shift workers. This study aimed to investigate the prevalence of insomnia caused by consecutive night shifts and evaluate the night shift duration that worsens insomnia the most, using a large amount of medical examination data.Methods: Night shift profiles and baseline demographics data of three hospitals were collected from January 2015 to December 2017. For subjects who had been examined more than once at the same institution, information corresponding to the most recent date was used. Multivariate logistic regression was performed to estimate odds ratios (ORs) and 95% confidence intervals (CIs). Pooled ORs were calculated by using the results of the three institutions.Results: Of the 33,669 participants, 31.3% were female. The average age was 41.1 ± 11.1 years and the prevalence of insomnia was 38.7% (n = 13,025). After adjusting for potential confounders and compared to workers who reported not working in consecutive night shifts, odds of insomnia were greatest among workers reporting working three consecutive nights (OR 2.65, 95% CI 1.97–3.56) followed by those working two nights (OR 1.81, 95% CI 1.45–2.26), five nights (OR 1.78, 95% CI 1.56–2.03), and four nights (OR 1.68, 95% CI 1.55–1.82).Conclusion: Our study demonstrates a significant relationship between consecutive night shift and insomnia with multicenter examination data, using common data model. This study could be a basis for establishing policies and guidelines that improve night shift workers' health.
format	article
author	Juho Sim Byung-Yoon Yun Jiho Lee Sung Kyung Kim Sung Kyung Kim Seunghyun Lee Ara Cho Seunghan Kim Chang-young Kim Yeon Suh Oh Jin-Ha Yoon Jin-Ha Yoon
author_facet	Juho Sim Byung-Yoon Yun Jiho Lee Sung Kyung Kim Sung Kyung Kim Seunghyun Lee Ara Cho Seunghan Kim Chang-young Kim Yeon Suh Oh Jin-Ha Yoon Jin-Ha Yoon
author_sort	Juho Sim
title	The Association Between the Number of Consecutive Night Shifts and Insomnia Among Shift Workers: A Multi-Center Study
title_short	The Association Between the Number of Consecutive Night Shifts and Insomnia Among Shift Workers: A Multi-Center Study
title_full	The Association Between the Number of Consecutive Night Shifts and Insomnia Among Shift Workers: A Multi-Center Study
title_fullStr	The Association Between the Number of Consecutive Night Shifts and Insomnia Among Shift Workers: A Multi-Center Study
title_full_unstemmed	The Association Between the Number of Consecutive Night Shifts and Insomnia Among Shift Workers: A Multi-Center Study
title_sort	association between the number of consecutive night shifts and insomnia among shift workers: a multi-center study
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/c1c3a6fa578443688bf9ab2da45c0386
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The Association Between the Number of Consecutive Night Shifts and Insomnia Among Shift Workers: A Multi-Center Study

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