Excessive daytime sleepiness in general hospital nurses: prevalence, correlates, and its association with adverse events
To investigate the prevalence and correlates of excessive daytime sleepiness (EDS) in a population of hospital nurses in South China as well as the influence of EDS on the occurrence of adverse events.
A total of 1102 nurses working in a large medical center were invited to participate in this cross-sectional study (96.9% females, mean age 29.6 years). They all completed a self-reported questionnaire consisting of items on demographic variables, lifestyle factors, insomnia, anxiety, depression, and both work-related and sleep-related characteristics.
A total of 1048 nurses gave a valid response (response rate 95.1%). Among them, 169 (16.1%) reported EDS as defined as an Epworth Sleepiness Scale ≥ 14. Depression (adjusted odds ratio = 2.24, 95% confidence interval 1.51–3.31), anxiety (1.65; 1.02–2.67), insomnia (2.29; 1.56–3.36), rotating shift work (1.98; 1.03–3.83), and low interest in work (1.74; 1.01–2.99) were all independent risk factors of the occurrence of EDS. EDS is associated with the occurrence of adverse events after controlling for confounding factors (adjusted OR 1.83, CI 1.26 to 2.67).
EDS was common among this relatively young and healthy nurse population in south China. There were clear associations between EDS and depression, anxiety, insomnia, rotating shift work, and low work-related interest. Furthermore, EDS was an independent risk factor in the occurrence of adverse events (AEs) in our subjects.
KeywordsExcessive daytime sleepiness Nurses Depression Anxiety Rotating shift work Adverse events
The authors would like to express their appreciation to all of the nurses who completed the questionnaires. They would also like to thank Dr. Jihui Zhang, Dr. Liu Yaping, and Dr. Liu Shuai at the Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong for their contribution in preparing this report.
The research was supported in part by the Natural Science Foundation of Guangdong Province, China (No. 2013B022000076) and the Nursing Project Special Fund of Jinan University, China (No. 2013303).
Compliance with ethical standards
This study was approved by the Hospital’s Ethics Committee, and all participants provided written consents.
Conflict of interest
The authors declare that they have no conflict of interest.
- 1.Young TB (2004) Epidemiology of daytime sleepiness: definitions, symptomatology, and prevalence. J Clin Psychiatry 65(Suppl 16):12–16Google Scholar
- 14.Czeisler CA (2009) Medical and genetic differences in the adverse impact of sleep loss on performance: ethical considerations for the medical profession. Trans Am Clin Climatol Assoc 120:249–285Google Scholar
- 21.Wang Z, Yuan C, Huang J (2011) Reliability and validity of the Chinese version of Beck Depression Inventory-II among depression patients. Chinese Ment Health J 25:476–480Google Scholar
- 53.Basta M, Lin HM, Pejovic S, Sarrigiannidis A, Bixler E, Vgontzas AN (2008) Lack of regular exercise, depression, and degree of apnea are predictors of excessive daytime sleepiness in patients with sleep apnea: sex differences. J Clin Sleep Med 4:19–25Google Scholar
- 63.Ceraso M, McElroy JA, Kuang X et al (2009) Smoking, barriers to quitting, and smoking-related knowledge, attitudes, and patient practices among male physicians in China. Prev Chronic Dis 6:A06Google Scholar