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Mao B, Xie Z, Liu M, Gong Y, Wang H, Yang S, Liao M, Xiao T, Tang S, Wang Y, Yang YD. Associations of chronotype with anxiety, depression and insomnia among general adult population: A cross-sectional study in Hubei, China. J Affect Disord 2024; 351:250-258. [PMID: 38280566 DOI: 10.1016/j.jad.2024.01.188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 01/06/2024] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
BACKGROUND The relationship between chronotype and anxiety, depression, and insomnia was inconsistent. We aimed to assess the association between chronotype and mental health and the potential moderating effect of age and socioeconomic status (SES). METHODS A multi-stage sampling cross-sectional study with 12,544 adults was conducted. Chronotype, anxiety, depression, and insomnia were investigated by 5-item Morning and Evening, 7-item Generalized Anxiety Disorder, 9-item Patient Health, and the 7-item Insomnia Severity Index Questionnaires. Logistic regression was conducted. RESULTS The predominant chronotype was morning chronotype (69.2 %), followed by 27.6 % intermediate and 3.2 % evening chronotype. The prevalence of anxiety, depression, and insomnia was 0.7 %, 1.9 %, and 9.6 %, respectively. Compared with intermediate chronotype, morning chronotype participants had a lower risk of anxiety (OR = 0.28,95%CI:0.18-0.44), depression (OR = 0.54,95%CI:0.41-0.72) and insomnia (OR = 0.67,95%CI:0.58-0.77), while evening chronotype participants had a higher risk of depression (OR = 1.98,95%CI:1.06-3.71) but not anxiety or insomnia. Interactions between chronotype with age and SES on insomnia (Pinteraction < 0.05) were found. A more profound association between morning chronotype and insomnia was observed in <65 years participants (OR = 0.59,95%CI:0.50-0.71) and those with monthly household income ≥10,000yuan (OR = 0.21,95%CI:0.12-0.35), compared with their counterparts. LIMITATIONS The cross-sectional design limited causal conclusions. Only adults were included; the findings could not be generalized to children. CONCLUSIONS The morning chronotype might be protective for anxiety, depression, and insomnia, while the evening chronotype might be a risk factor for depression. Future studies are needed to assess the efficacy of chronotype-focused intervention for mental health. Insomnia prevention efforts should pay more attention to the elderly and those with lower incomes.
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Affiliation(s)
- Bin Mao
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081, China
| | - Zhongliang Xie
- Department of Psychiatry, Honghu Mental Health Center, Shimatou Street 126, Honghu, Jingzhou 434021, China
| | - Mengjiao Liu
- School of Public Health, Jiangxi Medical College, Nanchang University, Nanchang 330006, China; Jiangxi Provincial Key Laboratory of Preventive Medicine, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Yue Gong
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081, China
| | - Huicai Wang
- Department of Psychiatry, Honghu Mental Health Center, Shimatou Street 126, Honghu, Jingzhou 434021, China
| | - Shuwang Yang
- Institute of Chronic Non-Communicable Disease Control and Prevention, Hubei Provincial Center for Disease Control and Prevention, Wuhan 430079, China
| | - Ming Liao
- Department of Psychiatry, Honghu Mental Health Center, Shimatou Street 126, Honghu, Jingzhou 434021, China
| | - Tianli Xiao
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081, China
| | - Shiming Tang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Ying Wang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan 430060, China.
| | - Yi-De Yang
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081, China..
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López-Gil JF, Moreno-Galarraga L, Mesas AE, Gutiérrez-Espinoza H, López-Bueno R, Gaffin JM. Is chronotype linked with adherence to the Mediterranean diet among adolescents? The EHDLA study. Pediatr Res 2023; 94:2070-2076. [PMID: 37438475 DOI: 10.1038/s41390-023-02703-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 05/20/2023] [Accepted: 06/01/2023] [Indexed: 07/14/2023]
Abstract
BACKGROUND No previous study has evaluated the relationship between chronotype and adherence to the Mediterranean diet among adolescents. The aim of the present study was to assess the association between chronotype and adherence to the Mediterranean diet in a sample of Spanish adolescents aged 12-17 years. METHODS This study examined secondary data from 820 adolescents (55.5% girls) from the Eating Healthy and Daily Life Activities (EHDLA) study, which included a representative sample of adolescents aged 12-17 years from the Valle de Ricote (Region of Murcia, Spain). Adolescents' chronotype was evaluated with the Morningness/Eveningness Scale in Children. Adherence to the Mediterranean diet was determined through the Mediterranean Diet Quality Index for Children and Teenagers. RESULTS The proportion of adolescents with an optimal Mediterranean diet was 37.6%. In relation to chronotype, we found that 24.5%, 69.4%, and 6.1% of the adolescents were classified as morning, intermediate, and evening types, respectively. After adjusting for several covariates, both evening- and intermediate-type adolescents showed lower odds of having optimal adherence to the Mediterranean diet (evening-type: odds ratio [OR] = 0.30, confidence interval [CI] 95% 0.12-0.72; intermediate-type: OR = 0.62, CI 95% 0.44-0.87) than morning-type adolescents. CONCLUSIONS Chronotype could affect adherence to the Mediterranean Diet in adolescents, so it should be a factor to be considered in future studies assessing eating habits. IMPACT No previous study has evaluated the relationship between chronotype and adherence to the Mediterranean diet among adolescents. Both evening- and intermediate-type adolescents showed lower odds of having optimal Mediterranean diet adherence than morning-type adolescents. These findings may indicate a need to promote eating healthy habits based on a more holistic approach, not only on the total energy expenditure or in specific food groups but also on the chronotype.
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Affiliation(s)
- José Francisco López-Gil
- Navarrabiomed, Hospital Universitario de Navarra, Universidad Pública de Navarra, IdiSNA, Pamplona, Spain.
- Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, Boston, MA, USA.
- One Health Research Group, Universidad de Las Américas, Quito, Ecuador.
| | - Laura Moreno-Galarraga
- Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
- Department of Pediatrics, Complejo Hospitalario de Navarra, Servicio Navarro de Salud, Pamplona, Spain
| | - Arthur Eumann Mesas
- Health and Social Research Center, Universidad de Castilla-La Mancha, Cuenca, Spain
- Postgraduate Program in Public Health, Universidade Estadual de Londrina, Londrina, Brazil
| | | | - Rubén López-Bueno
- Department of Physical Medicine and Nursing, University of Zaragoza, Zaragoza, Spain
| | - Jonathan M Gaffin
- Division of Pulmonary Medicine, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
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Ghorbani A, Momeni M, Yekefallah L, Shahrokhi A. The association between chronotype, sleep quality and medication errors among critical care nurses. Chronobiol Int 2023; 40:1480-1486. [PMID: 37955061 DOI: 10.1080/07420528.2023.2256862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 09/01/2023] [Indexed: 11/14/2023]
Abstract
Medication administration errors could result in severe complications in critical care units. This study investigated an association between chronotype, sleep quality and medication errors among essential nurses of care in Qazvin teaching hospitals in Iran. In this multicenter, cross-sectional study, all registered nurses of critical care units of Qazvin teaching hospitals were recruited. Data were collected through anonymous questionnaires, including socio-demographic data, Morning-Evening Questionnaire (MEQ), Pittsburgh Sleep Quality Index (PSQI) and medication errors data. Data were analyzed with SPSS v.24 by using the Chi-square test, Mann-Whitney U test, and logistic regression analysis. P values less than 0.05 were considered significant. The mean age and work experience were 33.12 ± 6.74 and 9.11 ± 5.96, respectively. One hundred sixty-six nurses (96%) have been working in rotating shifts. Nurses with intermediate chronotypes were predominant (n = 122; 70.5%). The majority of nurses (68.2%) had poor sleep quality (n = 118). Logistic regression analysis showed eveningness chronotype was associated with 4.743 fold increased risk of medication error (P < 0.033). No association was found between medication error and sleep quality (p < 0.95). There was no significant relationship between chronotype and sleep quality (P < 0.257). Our study showed that nurses with eveningness chronotype make more medication errors; therefore, considering the individual circadian preference before deciding on their shift timing assignment will be an important issue in reducing nurses' medication errors and improving patient safety in critical care units.
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Affiliation(s)
- Azam Ghorbani
- Metabolic Diseases Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Maryam Momeni
- Metabolic Diseases Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
- Department of Critical Care Nursing, Faculty of Nursing and Midwifery, Qazvin University of Medical sciences
| | - Leili Yekefallah
- Metabolic Diseases Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
- Department of Critical Care Nursing, Faculty of Nursing and Midwifery, Qazvin University of Medical sciences
| | - Akram Shahrokhi
- Metabolic Diseases Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
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de Azevedo Bringel JM, Abreu I, Muniz MCMC, de Almeida PC, Silva MRG. Health Professionals' Chronotype Association with Salivary Cortisol and Occupational Stress in Neonatal Intensive Care Units. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:ijerph20095683. [PMID: 37174200 PMCID: PMC10178597 DOI: 10.3390/ijerph20095683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/18/2023] [Accepted: 04/13/2023] [Indexed: 05/15/2023]
Abstract
Burnout syndrome has been reported among health workers, particularly those working in critical areas, and is considered a significant public health problem. This study aimed to investigate the relationship between chronotype and work-related stress, as measured by salivary cortisol levels and burnout, among health professionals working in neonatal intensive care units. A cross-sectional study was conducted across four public hospitals in Fortaleza, Ceará, Brazil. Two hundred and fifty-six health professionals were administered the brazilian version of the Burnout Characterization Scale, the morningness-eveningness questionnaire, for chronotype, a sociodemographic questionnaire that included lifestyle habits and a salivary cortisol test. The results indicated that morning chronotype workers were significantly associated with the following: advanced age (p < 0.001), female gender (p = 0.032), married status (p = 0.014), and having children (p = 0.030) compared to those with evening and intermediate chronotypes. However, no significant association was found between signs of burnout syndrome and chronotype (p = 0.316). Participants whose work shift did not match their chronotype had significantly higher initial salivary cortisol levels (p = 0.013). The findings suggest that adapting working hours to an individual's biological rhythm can help mitigate potential negative effects on physical and mental health. Thus, it is recommended that professionals' working hours be adjusted accordingly.
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Affiliation(s)
| | - Isabel Abreu
- Faculty of Science and Technology, University Fernando Pessoa, 4249-004 Porto, Portugal
- FP-I3ID, University Fernando Pessoa, 4249-004 Porto, Portugal
| | | | - Paulo César de Almeida
- Postgraduate Program in Clinical Health Care Nursing, Universidade Estadual do Ceará, Fortaleza 60714-903, Brazil
| | - Maria-Raquel G Silva
- FP-I3ID, University Fernando Pessoa, 4249-004 Porto, Portugal
- Faculty of Health Sciences, University Fernando Pessoa, 4200-150 Porto, Portugal
- CIAS-Research Centre for Anthropology and Health-Human Biology, Health and Society, University of Coimbra, 3000-456 Coimbra, Portugal
- CHRC-Comprehensive Health Research Centre-Nova Medical School, Nova University of Lisbon, 1150-090 Lisbon, Portugal
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Turunen J, Karhula K, Ropponen A, Koskinen A, Shiri R, Sallinen M, Ervasti J, Pehkonen J, Härmä M. The Time-Varying Effect of Participatory Shift Scheduling on Working Hour Characteristics and Sickness Absence: Evidence from a Quasi-Experiment in Hospitals. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14654. [PMID: 36429372 PMCID: PMC9690287 DOI: 10.3390/ijerph192214654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
Participatory shift scheduling for irregular working hours can influence shift schedules and sickness absence. We investigated the effects of using participatory shift scheduling and shift schedule evaluation tools on working hour characteristics and sickness absence. We utilized a panel data for 2015-2019 with 16,557 hospital employees (6143 in the intervention and 10,345 in the control group). Difference-in-differences regression with ward-level clustered standard errors was used to estimate the average treatment effect on the treated coefficients relative to timing of the intervention with 95% confidence intervals (CI). Using participatory scheduling tool increased long working hours and weekend work and had delayed effects on the short (1-3 days) sickness absences. Increased effects were observed: 0.2 [95% CI 0.0-0.4] days for the second, and 0.8 [95% CI 0.5-1.0] for the third year after the onset of intervention. An average increase of 0.5 [95% CI 0.1-0.9] episodes on all sickness absence episodes was observed for the third year. Using the shift schedule evaluation tool with the participatory shift scheduling tool attenuated the adverse effects. To conclude, participatory shift scheduling increased some potentially harmful working hour characteristics but its effects on sickness absence were negligible, and further attenuated by using the shift schedule evaluation tool.
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Affiliation(s)
- Jarno Turunen
- Finnish Institute of Occupational Health, P.O. Box 40, FI-00032 Helsinki, Finland
- Jyväskylä University School of Business and Economics, FI-40014 Jyväskylä, Finland
| | - Kati Karhula
- Finnish Institute of Occupational Health, P.O. Box 40, FI-00032 Helsinki, Finland
| | - Annina Ropponen
- Finnish Institute of Occupational Health, P.O. Box 40, FI-00032 Helsinki, Finland
- Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Aki Koskinen
- Finnish Institute of Occupational Health, P.O. Box 40, FI-00032 Helsinki, Finland
| | - Rahman Shiri
- Finnish Institute of Occupational Health, P.O. Box 40, FI-00032 Helsinki, Finland
| | - Mikael Sallinen
- Finnish Institute of Occupational Health, P.O. Box 40, FI-00032 Helsinki, Finland
| | - Jenni Ervasti
- Finnish Institute of Occupational Health, P.O. Box 40, FI-00032 Helsinki, Finland
| | - Jaakko Pehkonen
- Jyväskylä University School of Business and Economics, FI-40014 Jyväskylä, Finland
| | - Mikko Härmä
- Finnish Institute of Occupational Health, P.O. Box 40, FI-00032 Helsinki, Finland
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Gusmão WDP, Pureza IROM, Moreno CRC. Shift Work and Early Arterial Stiffness: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14569. [PMID: 36361448 PMCID: PMC9654495 DOI: 10.3390/ijerph192114569] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 06/16/2023]
Abstract
Shift work is a way of organizing rotating schedules throughout the day. This can include 1-3 shifts for the same person on a rotational basis with other workers. Schedules that include night work have been associated with cardiovascular risk, mainly due to circadian misalignment. This systematic review sought to determine whether shift work is a risk factor for increased arterial stiffness. A systematic review of different databases was performed, using the following keywords: work shift, night work, arteriosclerosis, vascular stiffness, arterial stiffness, pulse wave velocity, and their Medical Subject Headings. We selected and analyzed 11 articles regarding pulse wave velocity as an indicator of arterial stiffness. Two studies identified higher levels of arterial stiffness in shift workers compared to day workers, while two studies found the opposite. In addition, four studies found no differences in arterial stiffness between shifts, two studies associated shorter sleep duration with arterial stiffness, and one study observed that physical activity could prevent adverse cardiovascular outcomes in shift workers. The findings are heterogeneous and preclude any robust conclusions. However, the present review points to the need for further studies to investigate arterial stiffness in shift workers, with greater control for confounding factors and longitudinal design.
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Affiliation(s)
- Waléria D. P. Gusmão
- Department of Health, Life Cycles and Society, School of Public Health, University of Sao Paulo, Sao Paulo 01246-904, Brazil
| | - Isabele R. O. M. Pureza
- Department of Nutrition, Campus I—Prof. Eduardo Almeida, Centro Universitário Cesmac, Maceió 57051-160, Brazil
| | - Claudia R. C. Moreno
- Department of Health, Life Cycles and Society, School of Public Health, University of Sao Paulo, Sao Paulo 01246-904, Brazil
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Zou H, Zhou H, Yan R, Yao Z, Lu Q. Chronotype, circadian rhythm, and psychiatric disorders: Recent evidence and potential mechanisms. Front Neurosci 2022; 16:811771. [PMID: 36033630 PMCID: PMC9399511 DOI: 10.3389/fnins.2022.811771] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 06/21/2022] [Indexed: 12/27/2022] Open
Abstract
The circadian rhythm is crucial for physiological and behavioral functions. Chronotype, which represents individual preferences for activity and performance, is associated with human health issues, particularly psychiatric disorders. This narrative review, which focuses on the relationship between chronotype and mental disorders, provides an insight into the potential mechanism. Recent evidence indicates that (1) the evening chronotype is a risk factor for depressive disorders and substance use disorders, whereas the morning chronotype is a protective factor. (2) Evening chronotype individuals with bipolar disorder tend to have more severe symptoms and comorbidities. (3) The evening chronotype is only related to anxiety symptoms. (4) The relationship between chronotype and schizophrenia remains unclear, despite increasing evidence on their link. (5) The evening chronotype is significantly associated with eating disorders, with the majority of studies have focused on binge eating disorders. Furthermore, the underlying mechanisms or influence factors are described in detail, including clock genes, brain characteristics, neuroendocrinology, the light/dark cycle, social factors, psychological factors, and sleep disorders. These findings provide the latest evidence on chronotypes and psychiatric disorders and serve as a valuable reference for researchers.
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Affiliation(s)
- Haowen Zou
- Nanjing Brain Hospital, Medical School, Nanjing University, Nanjing, China
- Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Hongliang Zhou
- Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Rui Yan
- Nanjing Brain Hospital, Medical School, Nanjing University, Nanjing, China
- Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Zhijian Yao
- Nanjing Brain Hospital, Medical School, Nanjing University, Nanjing, China
- Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
- School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, China
- *Correspondence: Zhijian Yao,
| | - Qing Lu
- School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, China
- Child Development and Learning Science, Key Laboratory of Ministry of Education, Nanjing, China
- Qing Lu,
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Härmä M, Shiri R, Ervasti J, Karhula K, Turunen J, Koskinen A, Ropponen A, Sallinen M. National recommendations for shift scheduling in healthcare: A 5-year prospective cohort study on working hour characteristics. Int J Nurs Stud 2022; 134:104321. [DOI: 10.1016/j.ijnurstu.2022.104321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/21/2022] [Accepted: 06/27/2022] [Indexed: 12/15/2022]
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Individual Circadian Preference, Eating Disorders and Obesity in Children and Adolescents: A Dangerous Liaison? A Systematic Review and a Meta-Analysis. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9020167. [PMID: 35204888 PMCID: PMC8870066 DOI: 10.3390/children9020167] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/26/2022] [Accepted: 01/27/2022] [Indexed: 12/19/2022]
Abstract
BACKGROUND Obesity and other eating disorders are an actual public health problem, especially in childhood and adolescents, and could be also related with chronotype. The aim of this systematic review was to determine the relationship between eating disorders, obesity and the different chronotypes in children and adolescents. METHODS A systematic review of observational studies evaluating young populations dealing with and evaluating chronotype was conducted. Electronic searches were performed in six international databases. A qualitative thematic-categorical analysis was carried out and a random-effects model was used for the quantitative analysis (meta-analysis). RESULTS Fifteen studies were included, but quantitative analysis was only carried out in three of them. Children and adolescents with an evening chronotype had higher body mass index, consumed more junk food or were more predisposed to suffer from food addiction and night eating syndrome. CONCLUSIONS Children and adolescents with evening chronotype had higher tendency to incorrect eating behaviors and were suffering from overweight/obesity. Environment but also lifestyle factors should be considered in the association between chronotype and eating disorders and obesity.
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Circadian Rhythms in Mood Disorders. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1344:153-168. [PMID: 34773231 DOI: 10.1007/978-3-030-81147-1_9] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Altered behavioral rhythms are a fundamental diagnostic feature of mood disorders. Patients report worse subjective sleep and objective measures confirm this, implicating a role for circadian rhythm disruptions in mood disorder pathophysiology. Molecular clock gene mutations are associated with increased risk of mood disorder diagnosis and/or severity of symptoms, and mouse models of clock gene mutations have abnormal mood-related behaviors. The mechanism by which circadian rhythms contribute to mood disorders remains unknown, however, circadian rhythms regulate and are regulated by various biological systems that are abnormal in mood disorders and this interaction is theorized to be a key component of mood disorder pathophysiology. A growing body of evidence has begun defining how the interaction of circadian and neurotransmitter systems influences mood and behavior, including the role of current antidepressants and mood stabilizers. Additionally, the hypothalamus-pituitary-adrenal (HPA) axis interacts with both circadian and monoaminergic systems and may facilitate the contribution of environmental stressors to mood disorder pathophysiology. The central role of circadian rhythms in mood disorders has led to the development of chronotherapeutics, which are treatments designed specifically to target circadian rhythm regulators, such as sleep, light, and melatonin, to produce an antidepressant response.
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Growth and challenges of China's nursing workforce from 1998 to 2018: A retrospective data analysis. Int J Nurs Stud 2021; 124:104084. [PMID: 34551370 DOI: 10.1016/j.ijnurstu.2021.104084] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 08/22/2021] [Accepted: 08/28/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND Nurses play a vitally important role in promoting equitable and essential care. China undertook bold reforms in its education and healthcare systems since 1990s. The effect of these reforms on the nursing workforce has not been assessed systematically. OBJECTIVE This study aims to assess the changing trends and the underlying challenges of the nursing workforce in Mainland China in the period of 1998-2018. DESIGN Retrospective data analysis. METHODS Data were acquired from the National Health Statistics Yearbook from 1999 to 2019. Descriptive statistics were used to analyze the nature of the nursing workforce in terms of quantity, quality, and structure. Non-parametric tests were used to compare doctors and nurses in terms of number and work experiences. Global Moran's I index and hotspot analysis were applied to compare the equity in distribution of nurses at national and provincial levels. RESULTS From 1998 to 2018, the number of nurses increased from 1.22 to 4.10 million with an average rate of increase of 6.3% per annum. The ratio of doctors to nurses changed from 1: 0.61 to 1: 1.14, reaching 1: 1 in 2013. The main educational level of registered nurses elevated to associated degree (48.9%), and nurses with advanced titles increased at the most rapid rate. In 2018, 60.3% of nurses were younger than 35 years old. The Global Moran's I index ranged from 0.211 to 0.198 (Z > 1.96, P < 0.05). Hotspot analysis showed the distribution of nurses was unequally concentrated in the northern region and with the highest distribution in Beijing. CONCLUSIONS Great improvement on the scale and the quality of nursing workforce over the past 20 years has been witnessed in China. However, the shortage of nurses, outflow of younger nurses and the imbalance distribution of nursing workforce among the country are emerging challenges. Plans should not be ignored on continuously cultivating more qualified nurses, retaining younger nurses, attracting nurses to work in rural areas and the northeast region. Tweetable abstract: Numbers of Chinese nurses finally outstrip the number of doctors but do limited educational opportunities limits their contribution to the nation's health? New article in @ijnsjournal.
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Battulga B, Benjamin MR, Chen H, Bat-Enkh E. The Impact of Social Support and Pregnancy on Subjective Well-Being: A Systematic Review. Front Psychol 2021; 12:710858. [PMID: 34566789 PMCID: PMC8459714 DOI: 10.3389/fpsyg.2021.710858] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/13/2021] [Indexed: 12/21/2022] Open
Abstract
Background: Subjective well-being (SWB) has a protective role in mental health maintenance and is prone to change during short stressful moments, such as pregnancy. Longstanding research suggests that social support (SS) from the partner and family members of pregnant women directly or indirectly acts as a buffer against negative mental outcomes. For happier pregnancies, it is important to understand how SS and pregnancy affect the SWB. Objective: This review aims to examine the extended association of being pregnant and SS on the SWB of pregnant women. Methods: A systematic review was conducted in PubMed, ScienceDirect, and Google Scholar. Articles published in peer-reviewed journals were included regardless of the year and if they had assessed the impact of at least one SWB or SS outcome among healthy pregnant women. The tools of the National Heart, Lung, and Blood Institute were used for quality assessment. Results: Thirty-four studies that assessed the domains of SWB measurements, such as happiness, quality of life (QoL), life satisfaction, positive and negative effects, and well-being, were included and its association with either pregnancy or SS was summarized. Variable results, such as life satisfaction, happiness, and mental component of QoL, were found to be high during pregnancy, but positive emotion and physical components of QoL had decreased. Almost universally, SS during pregnancy was found to have a positive association with all measurements of SWB. Conclusion: This study had found that, despite some arising trends, pregnancy itself does not necessarily have similar impacts on SWB across healthy pregnant women. However, SS had a significant effect on SWB.
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Affiliation(s)
- Buyantungalag Battulga
- Department of Psychology, Southwest University, Chongqing, China
- Department of Agricultural and Applied Economics, Mongolian University of Life Science, Ulaanbaatar, Mongolia
| | | | - Hong Chen
- Department of Psychology, Southwest University, Chongqing, China
| | - Enkhmandakh Bat-Enkh
- School of Politics and Public Administration, Southwest University, Chongqing, China
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Debbia F, Medina-Valverde MJ, García-Arcos A, Garrido-Gutiérrez A, Rodríguez-Borrego MA, López-Soto PJ. Chronotype, general health and quality of sleep in a population of Spanish nurses. Rev Esc Enferm USP 2021; 55:e03752. [PMID: 34190887 DOI: 10.1590/s1980-220x2020010903752] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 01/01/2021] [Indexed: 02/08/2023] Open
Abstract
OBJECTIVE The aim of this study was to investigate the association between chronotype, general health status and sleep quality in a sample of Spanish nurses. METHOD An observational study assessing morningness-eveningness predisposition, general health status and quality of sleep was conducted between January and April 2018. Univariate and multivariate analyses were performed. A linear regression model was carried out to determine the influence of the variables on the morningness-eveningness type. RESULTS Morning-type was associated with aging (β = 0.249, p = 0.005), being married (β = 3.970, p = 0.033), and with a self-assessed low daily sleepiness (β = -0.311, p = 0.152). Good quality of sleep was moderately correlated with high values of general health (r = 0.337) and perceived quality of life (r = 0.426). CONCLUSION Anomalies of the circadian rhythm together with the features of shift workers may play an important role in predicting self-assessed general health status or the quality of sleep in nurses.
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Affiliation(s)
- Fabio Debbia
- Instituto Maimónides de Investigación Biomédica de Córdoba, Department of Nursing, Córdoba, Spain.,Università Degli Studi di Ferrara, Ferrara, Italy
| | - Maria José Medina-Valverde
- Instituto Maimónides de Investigación Biomédica de Córdoba, Department of Nursing, Córdoba, Spain.,Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Aurora García-Arcos
- Instituto Maimónides de Investigación Biomédica de Córdoba, Department of Nursing, Córdoba, Spain.,Hospital Universitario Reina Sofía, Córdoba, Spain
| | | | - Maria Aurora Rodríguez-Borrego
- Instituto Maimónides de Investigación Biomédica de Córdoba, Department of Nursing, Córdoba, Spain.,Hospital Universitario Reina Sofía, Córdoba, Spain.,Universidad de Córdoba, Córdoba, Spain
| | - Pablo Jesús López-Soto
- Instituto Maimónides de Investigación Biomédica de Córdoba, Department of Nursing, Córdoba, Spain.,Hospital Universitario Reina Sofía, Córdoba, Spain.,Universidad de Córdoba, Córdoba, Spain
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14
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Association between chronotype and psychomotor performance of rotating shift workers. Sci Rep 2021; 11:6919. [PMID: 33767333 PMCID: PMC7994306 DOI: 10.1038/s41598-021-86299-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 03/05/2021] [Indexed: 12/22/2022] Open
Abstract
It is known that the chronotype potentially mediates the performance and tolerance to work in shifts and that shift rotation is associated with negative effects on psychomotor performance. This study aimed to evaluate the effect of chronotype on psychomotor performance throughout a complete shift rotation schedule. Thirty males working in clockwise rotating shifts from a mining company were evaluated under a real-life condition over the following shift schedule: 2 days of day work, 2 days of evening work and 2 days of night work. The chronotype was determined using the Munich Chronotype Questionnaire adapted for shift workers and the obtained scores were categorized by tertiles (early-type, intermediate-type and late-type). Work performance was evaluated by Psychomotor Vigilance Test (PVT) daily just before shift starts and after shift ends. Sleep duration was evaluated by actigraphy over the whole shift. No isolated effect of the shift or interaction between shift and chronotype was found in the performance variables evaluated. A significant isolated effect of the chronotype showed that the early-type individuals had higher values of pre- and post-work Mean of Reaction Time (MRT) (308.77 ± 10.03 ms and 306.37 ± 8.53 ms, respectively) than the intermediate-type (257.61 ± 6.63 ms and 252.91 ± 5.97 ms, respectively, p < 0.001) and the late-type (273.35 ± 6.96 ms and 262.88 ± 6.05 ms, respectively, p < 0.001). In addition, late individuals presented a greater number of lapses of attention (5.00 ± 0.92; p < 0.05) than early (1.94 ± 0.50, p < 0.05) and intermediate (1.33 ± 0.30, p < 0.001) ones. We concluded that, compared with intermediates, late-type workers had a greater number of lapses of attention on the shift schedule as a whole, while early-type workers showed the highest pre- and post-work MRT. These findings show that the psychomotor performance of rotating shift workers seems to be influenced by the chronotype, but not by the shift rotation.
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15
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Xie J, Li J, Wang S, Li L, Wang K, Duan Y, Liu Q, Zhong Z, Ding S, Cheng ASK. Job burnout and its influencing factors among newly graduated nurses: A cross-sectional study. J Clin Nurs 2020; 30:508-517. [PMID: 33205476 DOI: 10.1111/jocn.15567] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 09/23/2020] [Accepted: 10/31/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Burnout affects the quality of work and health of newly graduated nurses, increases the turnover rate among newly graduated nurses and leads to a shortage of nurses. Reducing job burnout among newly graduated nurses is critical. However, the factors that impact burnout among newly graduated nurses are currently not well known. OBJECTIVE This exploratory study aims to identify the factors that influence burnout among newly graduated nurses in China. METHODS We conducted a cross-sectional study of newly graduated nurses from 15 cities in 13 provinces in China. We used online questionnaires to conduct the survey and obtain the results in this study. A STROBE checklist was used to report the results. RESULTS Of the 2400 questionnaires distributed, 2071 (86.29%) were returned. Job satisfaction, professional rank, hospital level, professional values and core competence were negatively correlated with burnout, while negative emotions were positively correlated with burnout. Women were more prone to burnout than men. CONCLUSIONS Burnout among newly graduated nurses was divided into three dimensions based on the Maslach Burnout Inventory Scale. Our findings provided new evidence that newly graduated nurses had average levels of emotional exhaustion and depersonalisation and low levels of personal accomplishment. Job satisfaction, professional rank, hospital level, gender, professional values, negative emotions and core competence were predictors of job burnout among NGNs in China. RELEVANCE TO CLINICAL PRACTICE Nursing managers should pay attention to burnout management, standardise training about professional values, core competence and coping mechanisms and promote mental health and job satisfaction among newly graduated nurses.
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Affiliation(s)
- Jianfei Xie
- Department of Nursing, The Third Xiangya Hospital of Central South University, Changsha, China.,Clinical Nursing Safety Management Research Center of Central South University (CNSMRC of CSU), Changsha, China
| | - Jie Li
- Xiangya School of Nursing, Central South University, Changsha, China
| | - Sha Wang
- Third Xiangya Hospital of Central South University, Changsha, China
| | - Lijun Li
- Xiangya School of Nursing, Central South University, Changsha, China
| | - Kewei Wang
- Hunan Children's Hospital, Changsha, China
| | - Yinglong Duan
- Third Xiangya Hospital of Central South University, Changsha, China
| | - Qiao Liu
- Third Xiangya Hospital of Central South University, Changsha, China
| | - Zhuqing Zhong
- Department of Nursing, The Third Xiangya Hospital of Central South University, Changsha, China.,Clinical Nursing Safety Management Research Center of Central South University (CNSMRC of CSU), Changsha, China
| | - Siqing Ding
- Clinical Nursing Safety Management Research Center of Central South University (CNSMRC of CSU), Changsha, China
| | - Andy S K Cheng
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
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16
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Cappadona R, Di Simone E, De Giorgi A, Boari B, Di Muzio M, Greco P, Manfredini R, Rodríguez-Borrego MA, Fabbian F, López-Soto PJ. Individual Circadian Preference, Shift Work, and Risk of Medication Errors: A Cross-Sectional Web Survey among Italian Midwives. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17165810. [PMID: 32796648 PMCID: PMC7460124 DOI: 10.3390/ijerph17165810] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 12/19/2022]
Abstract
Background: In order to explore the possible association between chronotype and risk of medication errors and chronotype in Italian midwives, we conducted a web-based survey. The questionnaire comprised three main components: (1) demographic information, previous working experience, actual working schedule; (2) individual chronotype, either calculated by Morningness–Eveningness Questionnaire (MEQ); (3) self-perception of risk of medication error. Results: Midwives (n = 401) responded “yes, at least once” to the question dealing with self-perception of risk of medication error in 48.1% of cases. Cluster analysis showed that perception of risk of medication errors was associated with class of age 31–35 years, shift work schedule, working experience 6–10 years, and Intermediate-type MEQ score. Conclusions: Perception of the risk of medication errors is present in near one out of two midwives in Italy. In particular, younger midwives with lower working experience, engaged in shift work, and belonging to an Intermediate chronotype, seem to be at higher risk of potential medication error. Since early morning hours seem to represent highest risk frame for female healthcare workers, shift work is not always aligned with individual circadian preference. Assessment of chronotype could represent a method to identify healthcare personnel at higher risk of circadian disruption.
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Affiliation(s)
- Rosaria Cappadona
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (R.C.); (P.G.); (R.M.)
- Obstetrics and Gynecology Unit, Azienda Ospedaliero-Universitaria S. Anna, 44121 Ferrara, Italy
- Department of Nursing, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), 14071 Córdoba, Spain; (M.A.R.-B.); (P.J.L.-S.)
| | - Emanuele Di Simone
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (E.D.S.); (M.D.M.)
- Clinica Medica Unit, Azienda Ospedaliero-Universitaria S. Anna, 44121 Ferrara, Italy; (A.D.G.); (B.B.)
| | - Alfredo De Giorgi
- Clinica Medica Unit, Azienda Ospedaliero-Universitaria S. Anna, 44121 Ferrara, Italy; (A.D.G.); (B.B.)
| | - Benedetta Boari
- Clinica Medica Unit, Azienda Ospedaliero-Universitaria S. Anna, 44121 Ferrara, Italy; (A.D.G.); (B.B.)
| | - Marco Di Muzio
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (E.D.S.); (M.D.M.)
| | - Pantaleo Greco
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (R.C.); (P.G.); (R.M.)
- Obstetrics and Gynecology Unit, Azienda Ospedaliero-Universitaria S. Anna, 44121 Ferrara, Italy
| | - Roberto Manfredini
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (R.C.); (P.G.); (R.M.)
- Department of Nursing, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), 14071 Córdoba, Spain; (M.A.R.-B.); (P.J.L.-S.)
- Clinica Medica Unit, Azienda Ospedaliero-Universitaria S. Anna, 44121 Ferrara, Italy; (A.D.G.); (B.B.)
| | - María Aurora Rodríguez-Borrego
- Department of Nursing, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), 14071 Córdoba, Spain; (M.A.R.-B.); (P.J.L.-S.)
- Department of Nursing Pharmacology and Physiotherapy, University of Córdoba, 14071 Córdoba, Spain
| | - Fabio Fabbian
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (R.C.); (P.G.); (R.M.)
- Department of Nursing, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), 14071 Córdoba, Spain; (M.A.R.-B.); (P.J.L.-S.)
- Clinica Medica Unit, Azienda Ospedaliero-Universitaria S. Anna, 44121 Ferrara, Italy; (A.D.G.); (B.B.)
- Correspondence: ; Tel.: +39-0532-237071
| | - Pablo Jesús López-Soto
- Department of Nursing, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), 14071 Córdoba, Spain; (M.A.R.-B.); (P.J.L.-S.)
- Department of Nursing Pharmacology and Physiotherapy, University of Córdoba, 14071 Córdoba, Spain
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17
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Associations between Chronotype, Adherence to the Mediterranean Diet and Sexual Opinion among University Students. Nutrients 2020; 12:nu12061900. [PMID: 32604818 PMCID: PMC7353170 DOI: 10.3390/nu12061900] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/19/2020] [Accepted: 06/23/2020] [Indexed: 02/07/2023] Open
Abstract
A person's chronotype determines different habits, among which are eating and physical activity. Furthermore, at the university stage, social and organisational factors have a direct effect on students' daily attitudes and habits. Adherence to the Mediterranean diet is linked to better sleep quality and less social jet lag, but association with chronotype or sexual opinion remains unclear. The aim of this study was to assess the associations between chronotype, adherence to the Mediterranean Diet, and sexual opinion. A multicentre observational study enrolled 457 students, from the University of Castilla-La Mancha and the University of Cordoba. Sociodemographic data and adherence to the Mediterranean diet, chronotype, physical activity, and sexual opinion were collected with validated questionnaires. The study period was from December 2017 to January 2018. Our results reported that students with an evening chronotype (E-type), with evening preferences, had a lower adherence to the Mediterranean diet and showed a higher tendency towards erotophilia. E-type students reported a significantly lower intake of fruits, vegetables, pulses, cereals, and olive oil, and higher breakfast skipping. Therefore, among the measures to promote healthy habits (obesity prevention, sexual education, socialisation, etc.), chronotype and an analysis of the impact of the schedules established by the universities must be considered.
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18
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Gao Q, Sheng J, Qin S, Zhang L. Chronotypes and affective disorders: A clock for mood? BRAIN SCIENCE ADVANCES 2020. [DOI: 10.26599/bsa.2019.9050018] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Affective disorders are often accompanied by circadian rhythm disruption and the major symptoms of mental illness occur in a rhythmic manner. Chronotype, also known as circadian preference for rest or activity, is believed to exert a substantial influence on mental health. Here, we review the connection between chronotypes and affective disorders, and discuss the potential underlying mechanisms between these two phenomena.
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Affiliation(s)
- Qian Gao
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology and the Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Juan Sheng
- Jingzhou Mental Health Center, Jingzhou 434000, Hubei, China
| | - Song Qin
- Jingzhou Mental Health Center, Jingzhou 434000, Hubei, China
| | - Luoying Zhang
- Key Laboratory of Molecular Biophysics of Ministry of Education, College of Life Science and Technology and the Collaborative Innovation Center for Brain Science, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
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19
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Lopes OCA, Henriques SH, Soares MI, Celestino LC, Leal LA. Competências dos enfermeiros na estratégia Saúde da Família. ESCOLA ANNA NERY 2020. [DOI: 10.1590/2177-9465-ean-2019-0145] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO Objetivos Analisar as competências profissionais de enfermeiros das Unidades Básicas de Saúde com equipes de Saúde da Família de um município do Sul de Minas Gerais e as estratégias utilizadas para o desenvolvimento dessas competências. Método Trata-se de um estudo exploratório, de abordagem qualitativa, do qual participaram 19 enfermeiros que atuam nas Unidades Básicas de Saúde com equipes de Saúde da Família. Para a coleta de dados, foram utilizadas entrevistas semiestruturadas, realizadas no período de maio a junho de 2018. Para a análise dos dados, foi utilizada a análise de conteúdo indutiva. Resultados Identificaram-se oito competências necessárias ao enfermeiro, tais como: liderança; educação permanente; ética; comunicação; gestão de pessoas e de recursos materiais; trabalho em equipe; cuidado à saúde; tomada de decisão – bem como estratégias organizacionais e individuais para desenvolvê-las. Conclusões e implicações para a prática A identificação de um perfil de competências para o enfermeiro deve provocar reflexão dos gestores em saúde e centros formadores para a elaboração e implementação de estratégias institucionais essenciais que promovam o aprimoramento destes profissionais, a fim de nortear o seu trabalho.
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20
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Ágoston C, Urbán R, Rigó A, Griffiths MD, Demetrovics Z. Morningness-eveningness and caffeine consumption: A largescale path-analysis study. Chronobiol Int 2019; 36:1301-1309. [DOI: 10.1080/07420528.2019.1624372] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Csilla Ágoston
- Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Róbert Urbán
- Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Adrien Rigó
- Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Mark D. Griffiths
- International Gaming Research Unit, Psychology Department, Nottingham Trent University, Nottingham, United Kingdom of Great Britain and Northern Ireland
| | - Zsolt Demetrovics
- Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
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21
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Sun J, Chen M, Cai W, Wang Z, Wu S, Sun X, Liu H. Chronotype: implications for sleep quality in medical students. Chronobiol Int 2019; 36:1115-1123. [PMID: 31140322 DOI: 10.1080/07420528.2019.1619181] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Medical students who suffer from poor sleep quality may be afflicted by distress. While the change of chronotype may improve sleep quality, few studies have focused on this association. The objective of this study is to analyze the effects of chronotype on sleep quality in medical students while controlling for confounding covariate factors. A cross-sectional survey on sleep quality was conducted among 5497 medical students. Sleep quality, chronotype, and lifestyle were measured according to the Pittsburgh Sleep Quality Index, Morningness-eveningness Questionnaire and Health-promoting Lifestyle Profile. Hierarchical logistic regression was conducted to analyze the influence of various factors, especially chronotype effect on sleep quality. Our results showed that the total score of sleep quality in evening-types was 5.43 ± 2.66, which was significantly higher than that in morning-types (3.88 ± 2.20, P < .001). Morning-type students (OR = 0.40, 95%CI = 0.29-0.55) and intermediate-type students (OR = 0.53, 95%CI = 0.41-0.69) had a lower risk of poor sleep quality compared to evening-types. The strongest predictor of sleep quality was chronotype while controlling for covariates (grade, gender, father's educational level, mother's educational level, internet addiction, mood state, midnight snack frequency, and health-promoting lifestyle profile). Based on the results, we believe that sleep quality among evening-type students may be improved by shifting to keep early hours.
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Affiliation(s)
- Jinbin Sun
- a School of Public Health , China Medical University , Shenyang , PR China
| | - Ming Chen
- b Department of Sports , China Medical University , Shenyang , PR China
| | - Weijie Cai
- a School of Public Health , China Medical University , Shenyang , PR China
| | - Zhong Wang
- b Department of Sports , China Medical University , Shenyang , PR China
| | - Shaoning Wu
- a School of Public Health , China Medical University , Shenyang , PR China
| | - Xiao Sun
- b Department of Sports , China Medical University , Shenyang , PR China
| | - Hongbo Liu
- a School of Public Health , China Medical University , Shenyang , PR China
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22
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Manfredini R, Cappadona R, Fabbian F. Nurses, shift work, and diabetes: should late chronotype be considered as a risk factor? BMJ 2019; 364:l178. [PMID: 30651292 DOI: 10.1136/bmj.l178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Roberto Manfredini
- Faculty of Medicine, Pharmacy and Prevention, University of Ferrara, via Fossato di Mortara 46, 44121 Ferrara, Italy
| | - Rosaria Cappadona
- Faculty of Medicine, Pharmacy and Prevention, University of Ferrara, via Fossato di Mortara 46, 44121 Ferrara, Italy
| | - Fabio Fabbian
- Faculty of Medicine, Pharmacy and Prevention, University of Ferrara, via Fossato di Mortara 46, 44121 Ferrara, Italy
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