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Takano Y, Okajima I, Ando T, Iwano S, Inoue Y. Presenteeism and sleep duration on workdays and days off. Occup Med (Lond) 2024; 74:283-289. [PMID: 38682567 DOI: 10.1093/occmed/kqae028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024] Open
Abstract
BACKGROUND Presenteeism refers to being present at work but experiencing reduced productivity due to health problems, and has been known to be related to sleep loss. Workers commonly sleep longer on days off than on workdays, and presenteeism may be reduced with extended sleep on days off. AIMS This study aimed to determine the association between sleep duration both on workdays and days off and presenteeism. METHODS The participants were 1967 workers who engaged in work for 5 days and rested for 2 days weekly. Sleep duration was classified into less than 6 hours (short; S), 6-8 hours (medium; M), and 9 hours or longer (long; L), for workdays and days off, respectively. Presenteeism was assessed using the World Health Organization Health and Work Performance Questionnaire. RESULTS On both workdays and days off, compared to medium sleep duration, short sleep duration was significantly associated with increased odds of presenteeism. The odds of presenteeism were significantly increased for S-S (odds ratio [OR] 2.17, 95% confidence interval [CI]1.40-3.37), S-M (OR 1.59, 95% CI 1.14-2.22), S-L (OR 2.71, 95% CI 1.05-7.00), and M-S (OR 6.82, 95% CI 2.71-17.17) combined sleep duration for workdays and days off, respectively, compared to an M-M (reference). CONCLUSIONS Sleep loss on workdays cannot be compensated for with longer sleep on days off. This study suggests that sufficient sleep duration on both workdays and days off is important for reducing presenteeism.
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Affiliation(s)
- Y Takano
- Department of Somnology, Tokyo Medical University, Tokyo 151-0053, Japan
- Japan Somnology Center, Neuropsychiatric Research Institute, Tokyo 151-0053, Japan
| | - I Okajima
- Department of Psychological Counseling, Faculty of Humanities, Tokyo Kasei University, Tokyo 173-8602, Japan
| | - T Ando
- Department of Psychology, Faculty of Human Culture and Sciences, Fukuyama University, Hiroshima 729-0292, Japan
| | - S Iwano
- Cognitive Behavioral Consulting Office, Hokkaido 060-0061, Japan
- Center for Medical Education and Career Development, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Y Inoue
- Department of Somnology, Tokyo Medical University, Tokyo 151-0053, Japan
- Japan Somnology Center, Neuropsychiatric Research Institute, Tokyo 151-0053, Japan
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Kinoshita S, Hanashiro S, Tsutsumi S, Shiga K, Kitazawa M, Wada Y, Inaishi J, Kashiwagi K, Fukami T, Mashimo Y, Minato K, Kishimoto T. Assessment of Stress and Well-Being of Japanese Employees Using Wearable Devices for Sleep Monitoring Combined With Ecological Momentary Assessment: Pilot Observational Study. JMIR Form Res 2024; 8:e49396. [PMID: 38696237 PMCID: PMC11099815 DOI: 10.2196/49396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 10/01/2023] [Accepted: 03/21/2024] [Indexed: 05/04/2024] Open
Abstract
BACKGROUND Poor sleep quality can elevate stress levels and diminish overall well-being. Japanese individuals often experience sleep deprivation, and workers have high levels of stress. Nevertheless, research examining the connection between objective sleep assessments and stress levels, as well as overall well-being, among Japanese workers is lacking. OBJECTIVE This study aims to investigate the correlation between physiological data, including sleep duration and heart rate variability (HRV), objectively measured through wearable devices, and 3 states (sleepiness, mood, and energy) assessed through ecological momentary assessment (EMA) and use of rating scales for stress and well-being. METHODS A total of 40 office workers (female, 20/40, 50%; mean age 40.4 years, SD 11.8 years) participated in the study. Participants were asked to wear a wearable wristband device for 8 consecutive weeks. EMA regarding sleepiness, mood, and energy levels was conducted via email messages sent by participants 4 times daily, with each session spaced 3 hours apart. This assessment occurred on 8 designated days within the 8-week timeframe. Participants' stress levels and perception of well-being were assessed using respective self-rating questionnaires. Subsequently, participants were categorized into quartiles based on their stress and well-being scores, and the sleep patterns and HRV indices recorded by the Fitbit Inspire 2 were compared among these groups. The Mann-Whitney U test was used to assess differences between the quartiles, with adjustments made for multiple comparisons using the Bonferroni correction. Furthermore, EMA results and the sleep and HRV indices were subjected to multilevel analysis for a comprehensive evaluation. RESULTS The EMA achieved a total response rate of 87.3%, while the Fitbit Inspire 2 wear rate reached 88.0%. When participants were grouped based on quartiles of well-being and stress-related scores, significant differences emerged. Specifically, individuals in the lowest stress quartile or highest subjective satisfaction quartile retired to bed earlier (P<.001 and P=.01, respectively), whereas those in the highest stress quartile exhibited greater variation in the midpoint of sleep (P<.001). A multilevel analysis unveiled notable relationships: intraindividual variability analysis indicated that higher energy levels were associated with lower deviation of heart rate during sleep on the preceding day (β=-.12, P<.001), and decreased sleepiness was observed on days following longer sleep durations (β=-.10, P<.001). Furthermore, interindividual variability analysis revealed that individuals with earlier midpoints of sleep tended to exhibit higher energy levels (β=-.26, P=.04). CONCLUSIONS Increased sleep variabilities, characterized by unstable bedtime or midpoint of sleep, were correlated with elevated stress levels and diminished well-being. Conversely, improved sleep indices (eg, lower heart rate during sleep and earlier average bedtime) were associated with heightened daytime energy levels. Further research with a larger sample size using these methodologies, particularly focusing on specific phenomena such as social jet lag, has the potential to yield valuable insights. TRIAL REGISTRATION UMIN-CTR UMIN000046858; https://center6.umin.ac.jp/cgi-open-bin/ctr/ctr_view.cgi?recptno=R000053392.
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Affiliation(s)
- Shotaro Kinoshita
- Hills Joint Research Laboratory for Future Preventive Medicine and Wellness, Keio University School of Medicine, Tokyo, Japan
- Graduate School of Interdisciplinary Information Studies, The University of Tokyo, Tokyo, Japan
| | - Sayaka Hanashiro
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Shiori Tsutsumi
- Graduate School of Health Management, Keio University, Kanagawa, Japan
| | - Kiko Shiga
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
- Department of Clinical Psychology, Faculty of Human Relations, Shigakukan University, Kagoshima, Japan
| | - Momoko Kitazawa
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Yasuyo Wada
- Center for Preventice Medicine, Keio University Hospital, Tokyo, Japan
- Department of Health Promotion, National Institute of Public Health, Saitama, Japan
| | - Jun Inaishi
- Center for Preventice Medicine, Keio University Hospital, Tokyo, Japan
- Division of Endocrinology, Metabolism and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kazuhiro Kashiwagi
- Hills Joint Research Laboratory for Future Preventive Medicine and Wellness, Keio University School of Medicine, Tokyo, Japan
- Center for Preventice Medicine, Keio University Hospital, Tokyo, Japan
| | | | | | | | - Taishiro Kishimoto
- Hills Joint Research Laboratory for Future Preventive Medicine and Wellness, Keio University School of Medicine, Tokyo, Japan
- Department of Psychiatry, The Zucker Hillside Hospital, Northwell Health, New York, NY, United States
- Department of Psychiatry, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Molecular Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
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Zok A, Matecka M, Bienkowski A, Ciesla M. Reduce stress and the risk of burnout by using yoga techniques. Pilot study. Front Public Health 2024; 12:1370399. [PMID: 38699423 PMCID: PMC11064875 DOI: 10.3389/fpubh.2024.1370399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 03/01/2024] [Indexed: 05/05/2024] Open
Abstract
Introduction This article examines the effectiveness of yoga in managing stress, with a particular focus on work-related stress. Yoga combines physical postures, breath control, and meditation, and has gained recognition for its potential to relieve stress. Purpose This study aimed to investigate the motivating factors behind individuals adopting yoga exercises and to assess the effects of regular yoga practice, with a particular focus on age-related differences. Additionally, we aimed to compare participants' expectations with the actual results of their yoga practice. Methods To achieve this, we conducted a comprehensive survey using an online form, which was completed by 520 yoga practitioners. Participants were surveyed about their motivation, the effects they experienced, and the type of yoga they practiced. Results The results showed that the most common motivation for individuals practicing yoga was stress reduction. Additionally, the analysis of the effects of regular yoga practice demonstrated a significant reduction in stress levels, with experienced practitioners reporting lower stress levels compared to beginners. In conclusion, the study suggests that regular yoga practice can be an effective way to reduce stress levels. Conclusion Dynamic forms of yoga, which incorporate fluid movements and synchronized breathing techniques, are highly effective approaches to stress management and relief. These findings highlight the value of yoga as a tool for individuals of all ages seeking stress relief and overall well-being. Another advantage of yoga practice is its affordability and lack of negative side effects.
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Affiliation(s)
- Agnieszka Zok
- Department of Philosophy of Medicine and Bioethics, Poznan University of Medical Sciences, Poznan, Poland
| | - Monika Matecka
- Department of Occupational Therapy, Poznan University of Medical Sciences, Poznań, Poland
| | - Artur Bienkowski
- Department of Philosophy of Medicine and Bioethics, Poznan University of Medical Sciences, Poznan, Poland
| | - Magdalena Ciesla
- Department of Philosophy of Medicine and Bioethics, Poznan University of Medical Sciences, Poznan, Poland
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Bouman EJ, Mackenbach JD, Twisk JWR, Raimondo L, Beulens JWJ, Elders PJM, Rutters F. Is the association between social jetlag and BMI mediated by lifestyle? A cross-sectional survey study in the Dutch general population. Prev Med 2024; 181:107908. [PMID: 38382765 DOI: 10.1016/j.ypmed.2024.107908] [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: 11/27/2023] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 02/23/2024]
Abstract
OBJECTIVE Social jetlag is a discordance between the social and biological rhythm and is associated with higher HbA1c, higher BMI, and higher odds of obesity. The pathways that could explain these associations are still debated. This study aims to assess the mediating role of several lifestyle factors in the cross-sectional association between social jetlag and BMI. METHODS We used cross-sectional data from 1784 adults from urban areas in the Netherlands, collected in 2019. Social jetlag (difference in midpoint of sleep between week and weekend nights) was categorized as low(<1 h), moderate(1-2h), and high(>2 h). BMI(kg/m2) was calculated from self-reported height and weight. The association between social jetlag and BMI was assessed using linear regression, adjusted for sex, age, education, and sleep duration and stratified for the effect modifier stress (high vs. low). Mediation analysis was performed for self-reported smoking, physical activity, alcohol consumption, and adherence to a healthy diet. RESULTS High social jetlag was associated with higher BMI (0.69 kg/m2,95%CI 0.05;1.33). This association was stronger in people with high stress (0.93 kg/m2,95%CI 0.09;1.76). Social jetlag was also associated with higher odds of smoking, lower physical activity, higher alcohol consumption, and lower healthy diet adherence. In people with high stress, these factors mediated 10-15% of the association between social jetlag and BMI. CONCLUSIONS Social jetlag is associated with higher BMI and this association is stronger in people with high stress. In people with high stress, healthy diet adherence mediated 12% of this association. Other pathways involved in this association should be further investigated.
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Affiliation(s)
- Emma J Bouman
- Amsterdam UMC location Vrije Universiteit Amsterdam, Epidemiology and Data Science, Meibergdreef 9, Amsterdam, Netherlands; Amsterdam Public Health, Health Behaviors & Chronic Diseases, Amsterdam, the Netherlands.
| | - Joreintje D Mackenbach
- Amsterdam UMC location Vrije Universiteit Amsterdam, Epidemiology and Data Science, Meibergdreef 9, Amsterdam, Netherlands; Amsterdam Public Health, Health Behaviors & Chronic Diseases, Amsterdam, the Netherlands
| | - Jos W R Twisk
- Amsterdam UMC location Vrije Universiteit Amsterdam, Epidemiology and Data Science, Meibergdreef 9, Amsterdam, Netherlands
| | - Laura Raimondo
- Amsterdam UMC location Vrije Universiteit Amsterdam, Epidemiology and Data Science, Meibergdreef 9, Amsterdam, Netherlands
| | - Joline W J Beulens
- Amsterdam UMC location Vrije Universiteit Amsterdam, Epidemiology and Data Science, Meibergdreef 9, Amsterdam, Netherlands; Amsterdam Public Health, Health Behaviors & Chronic Diseases, Amsterdam, the Netherlands; Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, the Netherlands
| | - Petra J M Elders
- Amsterdam Public Health, Health Behaviors & Chronic Diseases, Amsterdam, the Netherlands; Amsterdam UMC location Vrije Universiteit Amsterdam, General Practice, Meibergdreef 9, Amsterdam, Netherlands
| | - Femke Rutters
- Amsterdam UMC location Vrije Universiteit Amsterdam, Epidemiology and Data Science, Meibergdreef 9, Amsterdam, Netherlands; Amsterdam Public Health, Health Behaviors & Chronic Diseases, Amsterdam, the Netherlands
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Mao Y, Raju G, Zabidi MA. Association Between Occupational Stress and Sleep Quality: A Systematic Review. Nat Sci Sleep 2023; 15:931-947. [PMID: 38021213 PMCID: PMC10656850 DOI: 10.2147/nss.s431442] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 11/07/2023] [Indexed: 12/01/2023] Open
Abstract
Occupational stress and sleep quality are prevalent issues that can impact the physical and mental well-being of adults. An association between occupational stress and sleep quality has been found. However, this association is not entirely the same across different occupational groups. Additionally, variations are present in the research design and instruments employed.This systematic review aims to investigate the association between these two factors and identify gaps and limitations in current research. Articles published between January 1, 2011, and December 31, 2022, were retrieved from the WOS, Scopus, and PubMed databases. Out of 1225 articles, 38 studies met the predetermined inclusion and exclusion criteria and were included in the review. In the study, research designs, samples, instruments, and associations between occupational stress and sleep quality were statistically analyzed.These studies encompassed a diverse range of occupations, including both blue-collar and white-collar workers. Cross-sectional study is the most common research method. The Pittsburgh Sleep Quality Index (PSQI) was the most frequently utilized tool for assessing sleep quality, while there was a wide variety of measurement tools employed to assess occupational stress. The association between occupational stress and sleep quality consistently demonstrated a negative association, although the specific dimensions varied among studies. Moreover, several other factors were identified to have direct or indirect effects on occupational stress and sleep quality. For future research in this field, we propose four recommendations: (1) Consider utilizing objective measures to assess occupational stress and sleep quality. (2) Employ controlled experiments to further validate the causal relationship between occupational stress and sleep quality. (3) Investigate occupational groups that have received less attention. (4) Take into account the potential influence of other factors on occupational stress and sleep quality.
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Affiliation(s)
- Yongchun Mao
- School of Distance Education, Universiti Sains Malaysia, Penang, Malaysia
- School of Arts and Design, Qilu University of Technology (Shandong Academy of Sciences), Jinan, People’s Republic of China
| | - Gunasunderi Raju
- School of Distance Education, Universiti Sains Malaysia, Penang, Malaysia
| | - Muhammad Azrul Zabidi
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas, Pulau Pinang, 13200, Malaysia
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Feng J, Meng X, Wang C, Ke P, Tian Q, He Y, Yin X, Lu C, Lu Z. Associations of social jetlag with depressive symptoms among adults in Southern China: a cross-sectional study. Chronobiol Int 2023; 40:783-794. [PMID: 37184031 DOI: 10.1080/07420528.2023.2209179] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 04/02/2023] [Accepted: 04/26/2023] [Indexed: 05/16/2023]
Abstract
To investigate the associations between social jetlag and depressive symptoms and further analyze the interaction of social jetlag and chronic diseases on depressive symptoms among adults. Data were derived from a cross-sectional survey. Information on social jetlag, depressive symptoms, demographic characteristics, lifestyles, and health situations were collected via a structured self-administered questionnaire. The multivariable logistic regression analyses and restricted cubic splines regression were performed to test the association between social jetlag and depressive symptoms. The multiplicative model was applied to analyze the interaction of social jetlag and chronic disease on depressive symptoms. A total of 5818 adults were included and the prevalence of social jetlag was 22.95%. After multivariable adjustment, adults who experienced more than 2 hours of social jetlag had a significantly greater risk of depressive symptoms (OR = 1.43,95%CI:1.00-2.05, P = 0.049). Compared with participants having<1 hour of social jetlag and no chronic disease, participants having chronic disease were more likely to report depressive symptoms(OR = 3.22,95%CI = 2.59-4.00, P < 0.001). Moreover, among those who have chronic disease, the greater the social jetlag they reported, the greater risk of depressive symptoms they have (OR = 3.81,95%CI = 2.77-5.33, P < 0.001; OR = 4.08,95%CI = 2.24-7.43, P < 0.001). Social jetlag was linearly associated the with risk of depressive symptoms, according to restricted cubic splines. This study shows that 22.95% adults experience more than 1 hour of social jetlag. Social jetlag was positively associated with an increased risk of depressive symptoms. Among those who have chronic disease, the greater the social jetlag they reported, the greater risk of depressive symptoms they have.
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Affiliation(s)
- Jie Feng
- Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xin Meng
- Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chao Wang
- School of Public Health, Wuhan University, Wuhan, China
| | - Pan Ke
- Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qingfeng Tian
- School of Public Health, Zhengzhou University, Zhengzhou, China
| | - Yan He
- School of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xiaoxv Yin
- Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Congying Lu
- Longgang District Health Bureau, Longgang Health Education and Promotion Center, Shenzhen, China
| | - Zuxun Lu
- Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Relationship of sleep regularity with device-based sedentary behavior time and physical activity time in working adults. Sleep Health 2023; 9:86-92. [PMID: 36456449 DOI: 10.1016/j.sleh.2022.10.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 09/19/2022] [Accepted: 10/05/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVES This study aimed to investigate the association of sleep regularity with time spent in sedentary behavior (SB) and physical activity (PA) in adults with full-time jobs. METHODS This was a cross-sectional study. Adults aged 21-64 years with full-time jobs were recruited between August 2019 and December 2020 in Taiwan. The time spent in SB/PA was assessed using triaxial accelerometers (Actigraph wGT3x-BT), and PA was further classified into light-intensity physical activity (LPA) and moderate-to-vigorous intensity physical activity (MVPA). Each participant recorded their daily sleep patterns and work hours in a log, which was further used to measure sleep variability and social jet lag. Linear regression was applied to examine the associations of indicators of sleep regularity with SB time and PA time. RESULTS A total of 192 adults (men = 28.13%; mean age = 38.56 ± 8.89 years) were included in this study. After adjusting for potential covariates, greater social jet lag was related to more SB time (unstandardized coefficient [B] = 14.39, P = .005) and less LPA time (B = -0.02, P = .010). No evidence of an association between other indicators of sleep regularity with SB/PA time was found. CONCLUSIONS These results provide evidence for a relationship between sleep regularity and SB/PA time in working adults. Maintaining regular sleep, especially a small social jet lag, was suggested to promote physical activity and avoid a sedentary lifestyle. Future research is recommended to examine work-related influences on the associations and bidirectional relationship between sleep regularity and SB/PA.
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Watanabe K, Imamura K, Eguchi H, Hidaka Y, Komase Y, Sakuraya A, Inoue A, Kobayashi Y, Sasaki N, Tsuno K, Ando E, Arima H, Asaoka H, Hino A, Iida M, Iwanaga M, Inoue R, Otsuka Y, Shimazu A, Kawakami N, Tsutsumi A. Usage of the Brief Job Stress Questionnaire: A Systematic Review of a Comprehensive Job Stress Questionnaire in Japan from 2003 to 2021. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1814. [PMID: 36767182 PMCID: PMC9914747 DOI: 10.3390/ijerph20031814] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
The Brief Job Stress Questionnaire (BJSQ) is used widely in occupational health studies and practice. Summarizing scientific production based on measurement is crucial. This study aimed to systematically review observational studies that used the BJSQ and the New BJSQ to show their usability. A systematic search was conducted for studies investigating relationships between the BJSQ or the New BJSQ subscales and other validated measurements on 13 September 2021, in various literature databases. The BJSQ subscales, scoring methods, and other validated measurements in the studies were qualitatively summarized. In total, 145 published reports between 2003 and 2021 were included. Among the BJSQ subscales, job stressors (n = 95) such as quantitative job overload (n = 65) and job control (n = 64) were most often used. The subscales were utilized to investigate the relationships with several other measurements. Five reports used subscales from the New BJSQ. In the last two decades, the BJSQ and the New BJSQ help measure psychosocial factors (PF) at work and contribute to the publication of scientific papers in the occupational health field. This study would encourage the utilization of the questionnaires for future research and practice.
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Affiliation(s)
- Kazuhiro Watanabe
- Department of Public Health, Kitasato University School of Medicine, 1-15-1 Kitazato, Minami-ku, Sagamihara 252-0374, Japan
| | - Kotaro Imamura
- Department of Digital Mental Health, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hisashi Eguchi
- Department of Mental Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu 807-8555, Japan
| | - Yui Hidaka
- Department of Mental Health, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Yu Komase
- Department of Mental Health, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Asuka Sakuraya
- Department of Digital Mental Health, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Akiomi Inoue
- Institutional Research Center, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu 807-8555, Japan
| | - Yuka Kobayashi
- Faculty of Social Policy & Administration, Hosei University, 4342 Aiharamachi, Machida, Tokyo 194-0298, Japan
| | - Natsu Sasaki
- Department of Mental Health, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Kanami Tsuno
- School of Health Innovation, Kanagawa University of Human Services, 3-25-10 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Emiko Ando
- Institute for Cancer Control, National Cancer Center, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
| | - Hideaki Arima
- Department of Mental Health, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hiroki Asaoka
- Department of Psychiatric Nursing, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Ayako Hino
- Department of Mental Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu 807-8555, Japan
| | - Mako Iida
- Department of Psychiatric Nursing, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Mai Iwanaga
- Department of Community Mental Health & Law, National Center of Neurology and Psychiatry, National Institute of Mental Health, 4-1-1 Ogawahigashi, Kodaira, Tokyo 187-0031, Japan
| | - Reiko Inoue
- Department of Public Health, Kitasato University School of Medicine, 1-15-1 Kitazato, Minami-ku, Sagamihara 252-0374, Japan
| | - Yasumasa Otsuka
- Faculty of Human Sciences, University of Tsukuba, 3-29-1 Otsuka, Bunkyo-ku, Tokyo 112-0012, Japan
| | - Akihito Shimazu
- Faculty of Policy Management, Keio University, 5322 Endo, Fujisawa 252-0882, Japan
| | - Norito Kawakami
- Department of Digital Mental Health, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Akizumi Tsutsumi
- Department of Public Health, Kitasato University School of Medicine, 1-15-1 Kitazato, Minami-ku, Sagamihara 252-0374, Japan
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Ding P, Li J, Chen H, Zhong C, Ye X, Shi H. Independent and joint effects of sleep duration and sleep quality on suboptimal self-rated health in medical students: A cross-sectional study. Front Public Health 2022; 10:957409. [PMID: 36276404 PMCID: PMC9583520 DOI: 10.3389/fpubh.2022.957409] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 09/20/2022] [Indexed: 01/24/2023] Open
Abstract
Objective Studies on the association between sleep behavior and health often ignored the confounding effects of biorhythm-related factors. This study aims to explore the independent and joint effects of sleep duration and sleep quality on suboptimal self-rated health (SRH) in medical students. Methods Cross-sectional study. Proportional stratified cluster sampling was used to randomly recruit students from various medical specialties at a medical university in eastern China. Our questionnaire mainly included information on basic demographic characteristics, SRH, sleep behavior, and biorhythm-related factors. The independent and joint effects of sleep duration and sleep quality on suboptimal SRH were assessed by logistic regression after controlling for potential confounders. Results Of 1,524 medical students (mean age = 19.9 years, SD = 1.2 years; 59.1% female), 652 (42.8%) had suboptimal SRH. Most medical students (51.5%) slept for 7 h/night, followed by ≥8 (29.1%) and ≤ 6 h (19.4%). After adjusting for basic demographic characteristics and biorhythm-related factors, compared with students who slept for ≥8 h/night, the adjusted ORs (95%CI) for those who slept 7 and ≤ 6 h/night were 1.36 (1.03, 1.81) and 2.28 (1.60, 3.26), respectively (P < 0.001 for trend); compared with those who had good sleep quality, the adjusted ORs (95%CI) for those who had fair and poor sleep quality were 4.12 (3.11, 5.45) and 11.60 (6.57, 20.46), respectively (P < 0.001 for trend). Further, compared with those who slept for ≥8 h/night and good sleep quality, those who slept ≤ 6 h and poor sleep quality had the highest odds of suboptimal SRH (OR 24.25, 95%CI 8.73, 67.34). Conclusions Short sleep and poor sleep quality were independently and jointly associated with higher odds of suboptimal SRH among medical students.
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Affiliation(s)
- Pan Ding
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Jinyong Li
- Renji College, Wenzhou Medical University, Wenzhou, China
| | - Huajian Chen
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Chongzhou Zhong
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Xiaoli Ye
- Propaganda Department, Wenzhou Medical University, Wenzhou, China,Xiaoli Ye
| | - Hongying Shi
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, China,*Correspondence: Hongying Shi
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Shimura A, Yokoi K, Sugiura K, Higashi S, Inoue T. On workdays, earlier sleep for morningness and later wakeup for eveningness are associated with better work productivity. Sleep Med 2022; 92:73-80. [DOI: 10.1016/j.sleep.2022.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 02/18/2022] [Accepted: 03/03/2022] [Indexed: 10/18/2022]
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Liu W, Zhang H. Do sleep quality and psychological factors link precancerous conditions of colorectal cancer? A retrospective case-control study. Expert Rev Gastroenterol Hepatol 2022; 16:173-179. [PMID: 35043737 DOI: 10.1080/17474124.2022.2029701] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Little is known about the effect of sleep quality on the risk of precancerous conditions of colorectal cancer (PCRC). The role of psychological factors, including stress, resilience, and social support as closely related factors of sleep quality, was also discussed. RESEARCH DESIGN AND METHODS Fifty-one patients with PCRC were compared with two control groups during the previous year in a retrospective case-control analysis: 74 patients with colorectal cancer and 145 healthy controls. Participants completed questionnaires measuring sleep quality, perceived stress, resilience, and social support one year prior to disease diagnosis. Univariate and multivariate logistic regression models were used to analyze the data. RESULTS Increased risk of PCRC was associated with sleep disturbance≥2 and the negative factors of stress ≥14 compared with healthy controls. Decreased risk of PCRC was associated with resilience ≥31 and family support ≥18. In a multivariate model, sleep disturbance≥2 was significantly associated with an elevated risk of PCRC (OR = 20.15, 95% CI: 4.22 to 96.26). CONCLUSIONS Physicians should be aware of the strong association between sleep disturbance≥2 and the increased risk for PCRC and explain the need for colonoscopy in patients with sleep disturbance≥2.
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Affiliation(s)
- Wei Liu
- Department of Gastroenterology in the First Affiliated Hospital, Zhengzhou University, Zhengzhou Henan, China
| | - Huijie Zhang
- Department of Gastroenterology in the First Affiliated Hospital, Zhengzhou University, Zhengzhou Henan, China
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