Association between night work and dyslipidemia in South Korean men and women: a cross-sectional study

• Published in: Lipids in health and disease 2019-03, Vol.18 (1), p.75-75, Article 75
• Main Authors: Joo, Jae Hong, Lee, Doo Woong, Choi, Dong-Woo, Park, Eun-Cheol
• Format: Article
• Language: English
• Subjects: Adult; Aged; Blood tests; Cardiovascular disease; Cholesterol; Cholesterol - blood; Cholesterol tests; Circadian rhythm; Circadian Rhythm - genetics; Circadian rhythms; Cross-sectional studies; Diagnosis; Disease prevention; Dyslipidemia; Dyslipidemias; Dyslipidemias - blood; Dyslipidemias - epidemiology; Dyslipidemias - physiopathology; Eating behavior; Eating habit; Feeding Behavior; Female; Food habits; Health; Health aspects; Health surveys; High density lipoprotein; Humans; Hypertension; Insulin resistance; Lifestyles; Lipids; Lipids - blood; Lipoproteins; Lipoproteins, HDL - blood; Lipoproteins, LDL - blood; Low density lipoprotein; Low density lipoproteins; Male; Metabolic disorders; Metabolic syndrome; Middle Aged; Night work; Nighttime; Nutrition; Obesity; Regression analysis; Republic of Korea; Retail trade; Risk Factors; Shift work; Shift Work Schedule - adverse effects; Sleep; Sleep - physiology; Sleep disorders; Sleep duration; Sleep Hygiene - physiology; Sociodemographics; Socioeconomic Factors; Statistical analysis; Studies; Triglycerides; Triglycerides - blood; White-collar; Womens health; Work hours; Workers; Working hours
• ISSN: 1476-511X; 1476-511X
• DOI: 10.1186/s12944-019-1020-9

Previous studies have reported that an irregular work schedule, particularly nighttime work, is associated with an altered lipid profile. Additionally, a mismatch in circadian rhythm can affect sleeping and eating habits, leading to poor health. This study aimed to examine the association between night work and dyslipidemia among South Korean adults aged ≥30 years. For this study, the data of 5813 participants in the 2013-2016 Korea National Health and Nutrition Examination Survey were analyzed. Diagnoses of dyslipidemia were based on blood sampling tests of total cholesterol, high-density lipoprotein (HDL), low-density lipoprotein (LDL) cholesterol, and triglyceride levels. Night work was defined as that conducted during evening (6 P.M.-12 A.M.) and overnight hours (12 A.M.-8 A.M.). The association between night work hours and dyslipidemia in South Korean men and women was investigated using a logistic regression analysis. After adjusting for sociodemographic, economic, health-related, and nutritional factors, an association of night work with dyslipidemia was observed in male participants (odds ratio = 1.53, 95% confidence interval: 1.05-2.24). In subset analyses of male participants, night workers who skipped meals were more likely to have dyslipidemia than their day-working counterparts. Among men who slept