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Ann Occup Environ Med. 2019 Oct 10;31:e27. doi: 10.35371/aoem.2019.31.e27. eCollection 2019.

Effect of night shift work on the control of hypertension and diabetes in workers taking medication.

Annals of occupational and environmental medicine

Juha Park, Sang-Yeop Shin, Yangwon Kang, Jeongbae Rhie

Affiliations

  1. Department of Occupational and Environmental Medicine, Dankook University Hospital, Cheonan, Korea.
  2. Korea Medical Institute, Seoul, Korea.
  3. Department of Occupational and Environmental Medicine, Inha University Hospital, Incheon, Korea.

PMID: 31737282 PMCID: PMC6850788 DOI: 10.35371/aoem.2019.31.e27

Abstract

BACKGROUND: Night shift work induces physiological and psychological stress by altering sleep and biological rhythms and is associated with hypertension, diabetes, obesity, and cardiovascular diseases. Few studies have been conducted on the control of hypertension and diabetes. This study aimed to examine the effect of night shift work on the control rate of hypertension and diabetes.

METHODS: Subjects comprised workers aged 20-65 years who underwent specific health examination at a single facility in seven different affiliated examination centers from 1 January to 31 December 2016. Workers were categorised into day workers and night shift workers. Demographic and medical history were taken, and physical examination was done. Blood pressure (BP) and fasting glucose were measured. The control rate of each disease was evaluated based on treatment goals presented in the treatment guidelines of the Korean Society of Hypertension and the Korean Diabetes Association (systolic BP < 140 mmHg and diastolic BP < 90 mmHg; fasting glucose ≤ 130 mg/dL).

RESULTS: Among 631,418 subjects, 11.2% (70,450) were night shift workers. Of whom 6.1% (4,319) were taking antihypertensive medication and 2.5% (1,775) were taking diabetes medication. Among patients taking antihypertensive medications, the proportion of those whose BP was controlled to suit treatment goals was 81.7% (26,635) of day workers and 77.4% (3,343) of night shift workers, which was significantly different (

CONCLUSIONS: Night shift work can have an effect on the uncontrolled BP in workers taking antihypertensive medications. Therefore, additional efforts for disease control are necessary for night shift workers with hypertension.

Copyright © 2019 Korean Society of Occupational & Environmental Medicine.

Keywords: Diabetes mellitus; Hypertension; Night shift work; Treatment outcome

Conflict of interest statement

Competing interests: The authors declare that they have no competing interests.

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