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Taşdemir İ, Türkyılmaz MD, Hornsby BWY. Reliability and Validity of the Turkish Version of the Vanderbilt Fatigue Scale for Adults. Am J Audiol 2024; 33:532-542. [PMID: 38625122 DOI: 10.1044/2024_aja-23-00209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024] Open
Abstract
PURPOSE Listening-related fatigue (LRF) is a prominent topic of research interest. The purpose of this study is to investigate the reliability and validity of the Turkish version of the 40-item Vanderbilt Fatigue Scale for Adults (TR-VFS-A-40). METHOD This study included 317 adults with no hearing loss and 260 adults with hearing loss in the study group, totaling 577 adults aged 18-75 years. While 31 adults in the study group did not use any hearing technology, there were 96 hearing aid users and 123 cochlear implant (CI) users. A subset of 80 CI users completed the TR-VFS-A-40 a second time, 2 weeks later, to assess test-retest reliability. Intraclass correlation coefficients were used to assess test-retest reliability. Cronbach's alpha was used to evaluate internal consistency. To examine construct validity, a confirmatory factor analysis (CFA) was performed. For concurrent validity analysis, the Checklist Individual Strength (CIS) and TR-VFS-A-40 scores were analyzed using the Spearman correlation test. RESULTS Cronbach's alpha values were excellent for the total scale of .987 and the cognitive, emotional, physical, and social subscales (.953, .954, .955, and .946, respectively). Analyses of concurrent validity revealed strong and significant correlations between CIS and TR-VFS-A-40 scores, indicating a good concurrent validity. The CFA determined that the construct validity of the TR-VFS-A-40 was satisfactory. CONCLUSION The TR-VFS-A-40 is a valid and reliable measure of LRF. SUPPLEMENTAL MATERIAL https://doi.org/10.23641/asha.25457752.
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Affiliation(s)
- İlknur Taşdemir
- Department of Audiology, Hacettepe University, Ankara, Turkey
| | | | - Benjamin W Y Hornsby
- Department of Hearing and Speech Sciences, Vanderbilt University School of Medicine, Nashville, TN
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Yang CC, Chen HT, Luo KH, Watanabe K, Chuang HY, Wu CW, Dai CY, Kuo CH, Kawakami N. The validation of Chinese version of workplace PERMA-profiler and the association between workplace well-being and fatigue. BMC Public Health 2024; 24:720. [PMID: 38448843 PMCID: PMC10916278 DOI: 10.1186/s12889-024-18194-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 02/23/2024] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND Well-being is an important issue in workplace. One of these assessment tools of well-being, Workplace PERMA Profiler, is based on Seligman's five dimensions well-being. Prolonged fatigue may last for a long time, leading a great impact on both employees and enterprises. However, rare studies about the association between well-being and fatigue had been investigated. Our aim is to establish the Chinese version Profiler, and to discovery the association between workplace well-being and fatigue. METHODS The Chinese version was established according to International Society of Pharmacoeconomics and Outcomes Research (ISPOR) task force guidelines. In the study, researchers employed simple random sampling by approaching individuals undergoing health checkups or receiving workplace health services, inviting them to participate in a questionnaire-based interview. Prolonged Fatigue was evaluated by Checklist Individual Strength (CIS). The reliability was evaluated by Cronbach's alphas, Intra-class Correlation Coefficients (ICCs), and measurement errors. Moreover, confirmatory factor analysis and correlational analyses were assessed for the validity. RESULTS The analyses included 312 Chinese workers. Cronbach's alphas of the Chinese version ranged from 0.69 to 0.93, while the ICC ranged from 0.70 to 0.92. The 5-factor model of confirmatory factor analysis revealed a nearly appropriate fit (χ2 (82) = 346.560, Comparative Fit Index [CFI] = 0.887, Tucker-Lewis Index [TLI] = 0.855, Root Mean Square Error of Approximation [RMSEA] = 0.114, Standardized Root Mean Square Residual [SRMR] = 0.060). Moreover, the CIS and its four dimensions were significantly and negatively associated with the Positive Emotion, while they are positively associated with Engagement dimension except CIS-Motivation dimension. CONCLUSION The Chinese version Workplace PERMA-Profiler indicate nice reliability and validity. Furthermore, all CIS dimensions were negatively influenced by Positive Emotion, while commonly positively associated with Engagement.
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Affiliation(s)
- Chen-Cheng Yang
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, 807, Kaohsiung City, Taiwan
- Department of Occupational and Environmental Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, 812, Kaohsiung City, Taiwan
- Department of Occupational and Environmental Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, 807, Kaohsiung City, Taiwan
| | - Hsiang-Tai Chen
- College of Health and Medicine, University of Tasmania, 7000, Hobart, TAS, Australia
| | - Kuei-Hau Luo
- Department of Occupational and Environmental Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, 807, Kaohsiung City, Taiwan
| | - Kazuhiro Watanabe
- Department of Public Health, Kitasato University School of Medicine, 1-15-1 Kitazato, Minami-ku, 252-0374, Sagamihara, Japan
| | - Hung-Yi Chuang
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, 807, Kaohsiung City, Taiwan.
- Department of Occupational and Environmental Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, 807, Kaohsiung City, Taiwan.
| | - Chih-Wei Wu
- Department of Surgery, Shin Kong Wu Ho Su Memorial Hospital, 111, Taipei City, Taiwan
| | - Chia-Yen Dai
- Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, 807, Kaohsiung City, Taiwan
| | - Chao-Hung Kuo
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, 812, Kaohsiung City, Taiwan
| | - Norito Kawakami
- Department of Digital Mental Health, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, 113-0033, Tokyo, Japan
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3
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Sakai R, Tanaka E, Inoue E, Sato M, Tanaka M, Ikari K, Yamanaka H, Harigai M. Subjective Symptoms Contributing to the Quality of Life of Rheumatoid Arthritis Patients with Clinical Remission from the IORRA Database. Mod Rheumatol 2022; 33:496-502. [PMID: 35652691 DOI: 10.1093/mr/roac053] [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: 02/09/2022] [Revised: 05/11/2022] [Accepted: 06/01/2022] [Indexed: 11/12/2022]
Abstract
OBJECTIVES To explore patient-reported outcomes (PROs) related to quality of life (QOL) in patients with rheumatoid arthritis (RA) who achieved clinical remission. METHODS In the Institute of Rheumatology, Rheumatoid Arthritis (IORRA) dataset, RA patients over 18 years old who met the simplified disease activity index (SDAI) remission criteria in April 2017 were enrolled in this analysis. Pain-visual analogue scale (pain-VAS) (0-100 mm), Patient's Global Assessment of Disease Activity (0-100 mm), Japanese version of Health Assessment Questionnaire, duration of morning joint stiffness, and fatigue (Checklist Individual Strength 8R [CIS]) were the tools used to evaluate PROs. To assess the contribution of each PRO to the European QOL-5 Dimensions-5 Level (EQ-5D-5L) score, analysis of variance was conducted. RESULTS Among the 2,443 patients with remission, the mean EQ-5D-5L was 0.9. The mean pain VAS and patients' global assessment of disease activity (Pt-GA) were 7.2 and 7.4, respectively. Factors that significantly contributed to the EQ-5D-5L were pain-VAS (48.8%), CIS score (18.1%), and Pt-GA (15.6%). Around 82.5% of the variance in EQ-5D-5L were explained by the three PROs. CONCLUSION This study demonstrated that pain-VAS, CIS, and Pt-GA were significant contributors to the EQ-5D-5L score in patients with RA who achieved SDAI remission.
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Affiliation(s)
- Ryoko Sakai
- Department of Rheumatology, Institute of Rheumatology, Tokyo Women's Medial University Hospital, Tokyo, Japan.,Division of Rheumatology, Department of Internal Medicine, Tokyo Women's Medial University School of Medicine, Tokyo, Japan.,Division of Multidisciplinary Management of Rheumatic Diseases, Tokyo Women's Medial University School of Medicine, Tokyo, Japan
| | - Eiichi Tanaka
- Department of Rheumatology, Institute of Rheumatology, Tokyo Women's Medial University Hospital, Tokyo, Japan.,Division of Rheumatology, Department of Internal Medicine, Tokyo Women's Medial University School of Medicine, Tokyo, Japan
| | - Eisuke Inoue
- Department of Medical Informatics, Medical Education and Culture, St Marianna University School of Medicine, Kanagawa, Japan
| | | | | | - Katsunori Ikari
- Department of Rheumatology, Institute of Rheumatology, Tokyo Women's Medial University Hospital, Tokyo, Japan.,Division of Multidisciplinary Management of Rheumatic Diseases, Tokyo Women's Medial University School of Medicine, Tokyo, Japan.,Department of orthopedics, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan
| | - Hisashi Yamanaka
- Division of Rheumatology, Department of Internal Medicine, Tokyo Women's Medial University School of Medicine, Tokyo, Japan.,Rheumatology, Sanno Medical Center, Tokyo, Japan
| | - Masayoshi Harigai
- Department of Rheumatology, Institute of Rheumatology, Tokyo Women's Medial University Hospital, Tokyo, Japan.,Division of Rheumatology, Department of Internal Medicine, Tokyo Women's Medial University School of Medicine, Tokyo, Japan
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Penson A, Walraven I, Bronkhorst E, Grootenhuis MA, Tissing WJE, van der Pal HJH, de Vries ACH, van den Heuvel-Eibrink MM, Neggers S, Versluys BAB, Louwerens M, Pluijm SMF, Blijlevens N, van der Heiden-van der Loo M, Kremer LCM, van Dulmen-den Broeder E, Knoop H, Loonen J. Assessing fatigue in childhood cancer survivors: Psychometric properties of the Checklist Individual Strength and the Short Fatigue Questionnaire--a DCCSS LATER study. Cancer Med 2021; 11:1172-1180. [PMID: 34953059 PMCID: PMC8855897 DOI: 10.1002/cam4.4490] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 11/30/2021] [Indexed: 01/18/2023] Open
Abstract
Background Fatigue is often reported by patients with childhood cancer both during and after cancer treatment. Several instruments to measure fatigue exist, although none are specifically validated for use in childhood cancer survivors (CCS). The aim of the current study was to present norm values and psychometric properties of the Checklist Individual Strength (CIS) and Short Fatigue Questionnaire (SFQ) in a nationwide cohort of CCS. Methods In total, 2073 participants were included from the Dutch Childhood Cancer Survivor Study (DCCSS) LATER cohort. Normative data, construct validity, structural validity, and internal consistency were calculated for the CIS and SFQ. In addition, reliability and a cutoff score to indicate severe fatigue were determined for the SFQ. Results Correlations between CIS/SFQ and vitality measures asking about fatigue were high (>0.8). Correlations between CIS/SFQ and measures of different constructs (sleep, depressive emotions, and role functioning emotional) were moderate (0.4–0.6). Confirmatory factor analysis resulted in a four‐factor solution for the CIS and a one‐factor solution for the SFQ with Cronbach's alpha for each (sub)scale showing good to excellent values (>0.8). Test–retest reliability of the SFQ was adequate (Pearson's correlation = 0.88; ICC = 0.946; weighted Cohen's kappa item scores ranged 0.31–0.50) and a cut‐off score of 18 showed good sensitivity and specificity scores (92.6% and 91.3%, respectively). Conclusion The current study shows that the SFQ is a good instrument to screen for severe fatigue in CCS. The CIS can be used as a tool to assess the multiple fatigue dimensions in CCS.
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Affiliation(s)
- Adriaan Penson
- Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Iris Walraven
- Department for Health Evidence, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ewald Bronkhorst
- Department of Dentistry, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Martha A Grootenhuis
- Department of Psychology, Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Wim J E Tissing
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands.,Department of Pediatric Oncology/Hematology, Beatrix Children's Hospital/University of Groningen/University Medical Center Groningen, Groningen, The Netherlands
| | | | - Andrica C H de Vries
- Department of Pediatric Oncology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Marry M van den Heuvel-Eibrink
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands.,Department of Pediatric Oncology, Erasmus Medical Center, Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Sebastian Neggers
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands.,Department of Medicine, section Endocrinology, Erasmus Medical Center, Rotterdam, The Netherlands
| | | | - Marloes Louwerens
- Department of Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Saskia M F Pluijm
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Nicole Blijlevens
- Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | - Leontien C M Kremer
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands.,Department Pediatric Oncology, Emma Children's Hospital, University of Amsterdam, The Netherlands
| | | | - Hans Knoop
- Department of Medical Psychology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Public health research institute, Amsterdam, Netherlands
| | - Jacqueline Loonen
- Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands
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Fouad S, Ibrahim GE, Hussein AMS, Ibrahim FA, El Gendy A. Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers. Heliyon 2021; 7:e08246. [PMID: 34761136 PMCID: PMC8566775 DOI: 10.1016/j.heliyon.2021.e08246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 06/22/2021] [Accepted: 10/20/2021] [Indexed: 11/29/2022] Open
Abstract
Fatigue and rapid exhaustion are common complaints among construction workers, as a result of high-effort levels, physical overexertion, weather and long physically demanding work hours. This study aimed to fortify cloudy apple juice with riboflavin (vitamin B2) to evaluate changes in chemical composition, antioxidant activity and volatile compounds in the fortified juice and to study its effect on the volunteer construction workers complaining of fatigue resulting from demanding physical duties. Analysis of volatile compounds in the fortified cloudy apple juice using Gas Chromatography and Gas Chromatography-Mass Spectrometry identified thirty-four volatile compounds including esters, alcohols, aldehydes and acids. The most predominant volatile compounds were alcohols followed by esters in both the control and fortified samples. We studied the effect of the supplementation of riboflavin-fortified cloudy apple juice versus conventional cloudy apple juice on the anthropometric parameters, the scores of two fatigue questionnaires (Checklist Individual Strength and Fatigue Severity Scale) and antioxidants biomarkers among young Egyptian male construction workers. This study revealed that consumption of 1.3 mg of riboflavin-fortified cloudy apple juice per day for twenty-eight days significantly improved their metabolism, with a decrease in mean body fat percentage and an increase in body muscle mass without statistically significant differences, the fortified juice significantly improved the fatigue questionnaires' scores. Moreover, the fortified supplement had a substantial change in antioxidant activity; there was significant increase in the plasma total antioxidant capacity (+74.19 %change) and catalase enzyme (+54.65 %change) with a significant decrease in the serum malondialdehyde level (−53.78 %change). When compared to the administration of conventional cloudy apple juice, although there was a significant decrease in serum malondialdehyde level (−4.63 %change) at the end of the study, only the subjective fatigue subscale of the CIS fatigue score significantly decreased among the construction workers (−24.61 %change). It could be concluded that vitamin B2 fortified-cloudy apple juice was effective in the reduction of fatigue and exhaustion in the study's subjects.
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Affiliation(s)
- Suzanne Fouad
- Nutrition and Food Science Department, National Research Centre, 12622, Dokki, Giza, Egypt
| | - Gamil E Ibrahim
- Chemistry of Flavour& Aroma Department, National Research Centre, 12622, Dokki, Egypt
| | - Ahmed M S Hussein
- Food Technology Department, National Research Centre, 12622, Dokki, Giza, Egypt
| | - Fatma A Ibrahim
- Biochemistry Department, Genetic Engineering & Biotechnology Division, National Research Centre, 12622, Giza, Egypt
| | - Aliaa El Gendy
- Complementary Medicine Department, National Research Centre, 12622, Giza, Egypt
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6
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Koohsari MJ, Nakaya T, McCormack GR, Shibata A, Ishii K, Oka K. Changes in Workers' Sedentary and Physical Activity Behaviors in Response to the COVID-19 Pandemic and Their Relationships With Fatigue: Longitudinal Online Study. JMIR Public Health Surveill 2021; 7:e26293. [PMID: 33727211 PMCID: PMC8006899 DOI: 10.2196/26293] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/02/2021] [Accepted: 03/09/2021] [Indexed: 12/12/2022] Open
Abstract
Background Sedentary behaviors and physical activity are likely to be affected by the COVID-19 outbreak, and sedentary lifestyles can increase subjective fatigue. The nonpharmaceutical policies imposed as a result of the COVID-19 pandemic may also have adverse effects on fatigue. Objective This study has two aims: to examine the changes in sedentary behaviors and physical activity of company workers in response to the COVID-19 pandemic in Japan and to examine relationships between changes in these sedentary behaviors and physical activity and changes in fatigue. Methods Data from a nationwide prospective online survey conducted in 2019 and 2020 were used. On February 22, 2019, an email with a link to participate in the study was sent to 45,659 workers, aged 20 to 59 years, who were randomly selected from a database of approximately 1 million individuals. A total of 2466 and 1318 participants, who self-reported their occupation as company workers, answered the baseline and follow-up surveys, respectively. Surveys captured fatigue, workday and daily domain-specific sedentary behaviors and physical activity, and total sedentary behaviors and physical activity. We used multivariable linear regression models to estimate associations of changes in sedentary behaviors and physical activity with changes in fatigue. Results Increases in public transportation sitting during workdays, other leisure sitting time during workdays, and other leisure sitting time were associated with an increase in the motivation aspect of fatigue (b=0.29, 95% CI 0-0.57, P=.048; b=0.40, 95% CI 0.18-0.62, P<.001; and b=0.26, 95% CI 0.07-0.45, P=.007, respectively). Increases in work-related sitting time during workdays, total sitting time during workdays, and total work-related sitting time were significantly associated with an increase in the physical activity aspect of fatigue (b=0.06, 95% CI 0-0.12, P=.03; b=0.05, 95% CI 0.01-0.09, P=.02; and b=0.07, 95% CI 0-0.14, P=.04, respectively). The motivation and physical activity aspects of fatigue increased by 0.06 for each 1-hour increase in total sitting time between baseline and follow-up (b=0.06, 95% CI 0-0.11, P=.045; and b=0.06, 95% CI 0.01-0.10, P=.009, respectively). Conclusions Our findings demonstrated that sedentary and active behaviors among company workers in Japan were negatively affected during the COVID-19 outbreak. Increases in several domain-specific sedentary behaviors also contributed to unfavorable changes in workers’ fatigue. Social distancing and teleworking amid a pandemic may contribute to the sedentary lifestyle of company workers. Public health interventions are needed to mitigate the negative effects of the COVID-19 pandemic or future pandemics on sedentary and physical activity behaviors and fatigue among company workers.
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Affiliation(s)
- Mohammad Javad Koohsari
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Japan.,Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia.,Behavioural Epidemiology Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Tomoki Nakaya
- Graduate School of Environmental Studies, Tohoku University, Sendai, Japan
| | - Gavin R McCormack
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Japan.,Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada.,School of Architecture, Planning and Landscape, University of Calgary, Calgary, AB, Canada
| | - Ai Shibata
- Faculty of Health and Sport Sciences, University of Tsukuba, Tsukuba, Japan
| | - Kaori Ishii
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Japan
| | - Koichiro Oka
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Japan
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Nakagawa S, Sugiura M, Sekiguchi A, Kotozaki Y, Miyauchi CM, Hanawa S, Araki T, Sakuma A, Kawashima R. The pitfall of empathic concern with chronic fatigue after a disaster in young adults. BMC Psychiatry 2019; 19:338. [PMID: 31684912 PMCID: PMC6829815 DOI: 10.1186/s12888-019-2323-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Accepted: 10/15/2019] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Empathic concern (EC) is an important interpersonal resilience factor that represents positive adaptation, such as "relating to others" (a factor of posttraumatic growth [PTG]) after disaster. However, controversy exists regarding whether the changes in EC (e.g., the intra-personal change between the acute phase and the disillusionment phase) positively or negatively affect mental health after a disaster. We hypothesized that increased EC may increase chronic fatigue due to over-adjustment (hypothesis 1). We also hypothesized that increasing the changes in "relating to others" could decrease the changes in chronic fatigue (hypothesis 2). METHODS Forty-nine young, healthy volunteers (M/F: 36/13; age at 3 months after the disaster [3 months]: mean ± SD: 21.1 ± 1.7 years) underwent assessments of EC using the Japanese version of the Interpersonal Reactivity Index, chronic fatigue using the Japanese version of the Checklist Individual Strength (CIS-J) questionnaire, and "relating to others" using the Japanese version of the PTG inventory during the acute phase (3 months) and the disillusionment phase (1 year after the disaster). Pearson product moment correlations at 3 months and 1 year were determined for all scores related to EC. The changes (delta = degree of change from 3 months to 1 year) or scores at 1 year were entered into linear structural equation systems to test the hypotheses. RESULTS The delta of EC positively affected the delta of the CIS-J, and the delta of relating to others negatively affected the delta of the CIS-J. Both the EC and relating to others scores were negatively associated with the CIS-J score at 1 year. These results were in accordance with hypothesis 1 and 2. CONCLUSIONS We demonstrated the opposite effects of 2 types of ECs, i.e., stability (inherent disposition) and flexibility (degree of change), on the degree of chronic fatigue. Increasing EC with increasing chronic fatigue, but not the change in relating to others, may be a red flag for individuals during the disillusionment phase.
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Affiliation(s)
- Seishu Nakagawa
- Division of Psychiatry, Tohoku Medical and Pharmaceutical University, Sendai, Japan. .,Department of Human Brain Science, Institute of Development, Aging and Cancer (IDAC), Tohoku University, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan.
| | - Motoaki Sugiura
- 0000 0001 2248 6943grid.69566.3aDepartment of Human Brain Science, Institute of Development, Aging and Cancer (IDAC), Tohoku University, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575 Japan ,0000 0001 2248 6943grid.69566.3aInternational Research Institute of Disaster Science, Tohoku University, Sendai, Japan
| | - Atsushi Sekiguchi
- 0000 0001 2248 6943grid.69566.3aDivision of Medical Neuroimage Analysis, Department of Community Medical Support, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan ,0000 0000 9832 2227grid.416859.7Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Yuka Kotozaki
- 0000 0001 2248 6943grid.69566.3aDepartment of Human Brain Science, Institute of Development, Aging and Cancer (IDAC), Tohoku University, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575 Japan
| | - Carlos Makoto Miyauchi
- 0000 0001 2248 6943grid.69566.3aAdvanced Brain Science, Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Japan
| | - Sugiko Hanawa
- 0000 0001 2248 6943grid.69566.3aDepartment of Human Brain Science, Institute of Development, Aging and Cancer (IDAC), Tohoku University, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575 Japan
| | | | - Atsushi Sakuma
- 0000 0001 2248 6943grid.69566.3aDepartment of Psychiatry, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Ryuta Kawashima
- 0000 0001 2248 6943grid.69566.3aAdvanced Brain Science, Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Japan
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8
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Asensio-Cuesta S, Bresó A, Saez C, García-Gómez JM. Robustness and Findings of a Web-Based System for Depression Assessment in a University Work Context. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16040644. [PMID: 30795622 PMCID: PMC6406358 DOI: 10.3390/ijerph16040644] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 02/14/2019] [Accepted: 02/15/2019] [Indexed: 11/16/2022]
Abstract
Depression is associated with absenteeism and presentism, problems in workplace relationships and loss of productivity and quality. The present work describes the validation of a web-based system for the assessment of depression in the university work context. The basis of the system is the Spanish version of the Beck Depression Inventory (BDI-II). A total of 185 participants completed the BDI-II web-based assessment, including 88 males and 97 females, 70 faculty members and 115 staff members. A high level of internal consistency reliability was confirmed. Based on the results of our web-based BDI-II, no significant differences were found in depression severity between gender, age or workers’ groups. The main depression risk factors reported were: “Changes in sleep”, “Loss of energy”, “Tiredness or fatigue” and “Loss of interest”. However significant differences were found by gender in “Changes in appetite”, “Difficulty of concentration” and “Loss of interest in sex”; males expressed less loss of interest in sex than females with a statistically significant difference. Our results indicate that the data collected is coherent with previous BDI-II studies. We conclude that the web-based system based on the BDI-II is psychometrically robust and can be used to assess depression in the university working community.
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Affiliation(s)
- Sabina Asensio-Cuesta
- Instituto de Tecnologías de la Información y Comunicaciones (ITACA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
| | - Adrián Bresó
- Instituto de Tecnologías de la Información y Comunicaciones (ITACA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
| | - Carlos Saez
- Instituto de Tecnologías de la Información y Comunicaciones (ITACA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
| | - Juan M García-Gómez
- Instituto de Tecnologías de la Información y Comunicaciones (ITACA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
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9
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Takeuchi H, Kawashima R. Mean Diffusivity in the Dopaminergic System and Neural Differences Related to Dopaminergic System. Curr Neuropharmacol 2018; 16:460-474. [PMID: 29119929 PMCID: PMC6018195 DOI: 10.2174/1570159x15666171109124839] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 05/29/2017] [Accepted: 11/07/2017] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND The mean diffusivity (MD) parameter obtained by diffusion tensor imaging provides a measure of how freely water molecules move in brain tissue. Greater tissue density conferred by closely arrayed cellular structures is assumed to lower MD by inhibiting the free diffusion of water molecules. METHODS In this paper, we review studies showing MD variation among regions of the brain dopaminergic system (MDDS), especially subcortical structures such as the putamen, caudate nucleus, and globus pallidus, in different conditions with known associations to dopaminergic system function or dysfunction. The methodologies and background related to MD and MDDS are also discussed. RESULTS Past studies indicate that MDDS is sensitive to pathological derangement of dopaminergic activity, neural changes caused by cognitive and pharmacological interventions that are known to affect the dopaminergic system, and individual character traits related to dopaminergic function. CONCLUSION These results suggest that MDDS can be one useful tool to tap the neural differences related to the dopaminergic system.
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Affiliation(s)
- Hikaru Takeuchi
- Address correspondence to this author at the Division of Developmental Cognitive Neuroscience, IDAC, Tohoku University, 4-1 Seiryo-cho, Aoba-ku, Sendai 980-8575, Japan; Tel/Fax: +81-22-717-7988;, E-mail:
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10
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Worm-Smeitink M, Gielissen M, Bloot L, van Laarhoven HWM, van Engelen BGM, van Riel P, Bleijenberg G, Nikolaus S, Knoop H. The assessment of fatigue: Psychometric qualities and norms for the Checklist individual strength. J Psychosom Res 2017; 98:40-46. [PMID: 28554371 DOI: 10.1016/j.jpsychores.2017.05.007] [Citation(s) in RCA: 196] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 05/07/2017] [Accepted: 05/08/2017] [Indexed: 10/19/2022]
Abstract
OBJECTIVE The Checklist Individual Strength (CIS) measures four dimensions of fatigue: Fatigue severity, concentration problems, reduced motivation and activity. On the fatigue severity subscale, a cut-off score of 35 is used. This study 1) investigated the psychometric qualities of the CIS; 2) validated the cut-off score for severe fatigue and 3) provided norms. METHODS Representatives of the Dutch general population (n=2288) completed the CIS. The factor structure was investigated using an exploratory factor analysis. Internal consistency and test-retest reliability were determined. Concurrent validity was assessed in two additional samples by correlating the CIS with other fatigue scales (Chalder Fatigue Questionnaire, MOS Short form-36 Vitality subscale, EORTC QLQ-C30 fatigue subscale). To validate the fatigue severity cut-off score, a Receiver Operating Characteristics analysis was performed with patients referred to a chronic fatigue treatment centre (n=5243) and a healthy group (n=1906). Norm scores for CIS subscales were calculated for the general population, patients with chronic fatigue syndrome (CFS; n=1407) and eight groups with other medical conditions (n=1411). RESULTS The original four-factor structure of the CIS was replicated. Internal consistency (α=0.84-0.95) and test-retest reliability (r=0.74-0.86) of the subscales were high. Correlations with other fatigue scales were moderate to high. The 35 points cut-off score for severe fatigue is appropriate, but, given the 17% false positive rate, should be adjusted to 40 for research in CFS. CONCLUSION The CIS is a valid and reliable tool for the assessment of fatigue, with a validated cut-off score for severe fatigue that can be used in clinical practice.
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Affiliation(s)
- M Worm-Smeitink
- Expert Centre for Chronic Fatigue, Department of Medical Psychology, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands
| | - M Gielissen
- Academic Medical Center (AMC), University of Amsterdam, Department of Medical Psychology, Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
| | - L Bloot
- Department of Medical Psychology, Isala Klinieken, Zwolle, The Netherlands
| | - H W M van Laarhoven
- Department of Medical Oncology, Academic Medical Center (AMC), University of Amsterdam, Amsterdam, The Netherlands
| | - B G M van Engelen
- Department of Neurology, Radboud university medical center, Nijmegen, The Netherlands
| | - P van Riel
- IQ healthcare, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | - S Nikolaus
- Expert Centre for Chronic Fatigue, Department of Medical Psychology, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands
| | - H Knoop
- Expert Centre for Chronic Fatigue, Department of Medical Psychology, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands; Academic Medical Center (AMC), University of Amsterdam, Department of Medical Psychology, Amsterdam Public Health Research Institute, Amsterdam, The Netherlands.
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11
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Nakagawa S, Takeuchi H, Taki Y, Nouchi R, Kotozaki Y, Shinada T, Maruyama T, Sekiguchi A, Iizuka K, Yokoyama R, Yamamoto Y, Hanawa S, Araki T, Miyauchi CM, Magistro D, Sakaki K, Jeong H, Sasaki Y, Kawashima R. Basal ganglia correlates of fatigue in young adults. Sci Rep 2016; 6:21386. [PMID: 26893077 PMCID: PMC4759547 DOI: 10.1038/srep21386] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Accepted: 01/22/2016] [Indexed: 01/19/2023] Open
Abstract
Although the prevalence of chronic fatigue is approximately 20% in healthy individuals, there are no studies of brain structure that elucidate the neural correlates of fatigue outside of clinical subjects. We hypothesized that fatigue without evidence of disease might be related to changes in the basal ganglia and prefrontal cortex and be implicated in fatigue with disease. We aimed to identify the white matter structures of fatigue in young subjects without disease using magnetic resonance imaging (MRI). Healthy young adults (n = 883; 489 males and 394 females) were recruited. As expected, the degrees of fatigue and motivation were associated with larger mean diffusivity (MD) in the right putamen, pallidus and caudate. Furthermore, the degree of physical activity was associated with a larger MD only in the right putamen. Accordingly, motivation was the best candidate for widespread basal ganglia, whereas physical activity might be the best candidate for the putamen. A plausible mechanism of fatigue may involve abnormal function of the motor system, as well as areas of the dopaminergic system in the basal ganglia that are associated with motivation and reward.
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Affiliation(s)
- Seishu Nakagawa
- Department of Psychiatry, Tohoku Pharmaceutical University, Sendai, Japan.,Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Hikaru Takeuchi
- Division of Developmental Cognitive Neuroscience, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Yasuyuki Taki
- Division of Developmental Cognitive Neuroscience, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Division of Medical Neuroimaging Analysis, Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan.,Department of Nuclear Medicine and Radiology, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Rui Nouchi
- Human and Social Response Research Division, International Research Institute of Disaster Science, Tohoku University, Sendai, Japan.,Smart Ageing International Research Center, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Yuka Kotozaki
- Smart Ageing International Research Center, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Takamitsu Shinada
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Tsukasa Maruyama
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Atsushi Sekiguchi
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Division of Medical Neuroimaging Analysis, Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan.,Smart Ageing International Research Center, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Department of Adult Mental Health, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Kunio Iizuka
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Department of Psychiatry, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Ryoichi Yokoyama
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Yuki Yamamoto
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Sugiko Hanawa
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Tsuyoshi Araki
- Smart Ageing International Research Center, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Carlos Makoto Miyauchi
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Daniele Magistro
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Kohei Sakaki
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Hyeonjeong Jeong
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Yukako Sasaki
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
| | - Ryuta Kawashima
- Department of Functional Brain Imaging, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Division of Developmental Cognitive Neuroscience, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan.,Smart Ageing International Research Center, Institute of Development, Ageing and Cancer, Tohoku University, Sendai, Japan
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12
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Sagherian K, Geiger Brown J. In-depth review of five fatigue measures in shift workers. FATIGUE-BIOMEDICINE HEALTH AND BEHAVIOR 2016. [DOI: 10.1080/21641846.2015.1124521] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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13
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Purabdollah M, Lakdizaji S, Rahmani A, Hajalilu M, Ansarin K. Relationship between Sleep Disorders, Pain and Quality of Life in Patients with Rheumatoid Arthritis. J Caring Sci 2015; 4:233-41. [PMID: 26464840 DOI: 10.15171/jcs.2015.024] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 07/27/2015] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION Rheumatoid arthritis as one of the most common autoimmune diseases is known to be one of the leading causes of disability. Sleep disorders have direct influence on patient's life. According to studies, sleep problems are known to have negative impact on well-being and functioning, but the exact nature of relationship between sleep disorders and Rheumatoid arthritis is not completely understood. This study aimed to investigate the relationship between sleep disorders, pain and quality of life in patients with rheumatoid arthritis patients. METHODS In a descriptive -correlative study, 210 patients with rheumatoid arthritis referred to Tabriz medical university clinics selected by convenience sampling and were assessed by Sleep Disorders Questionnaire (SDQ), Epworth Sleepiness Scale (ESS), SF-36 Quality of Life Questionnaire and Visual Analog Scale (VAS). Data were analyzed using SPSS-13 by descriptive statistics such as frequency, mean (SD) and inferential statistics including Spearman correlation analysis, linear regression, χ(2),t-test and ANOVA. RESULTS The mean age of participants was 48.41(12.92) years in which most of them (74%) were female. The mean (SD) quality of life was 40.51(22.94), sleepiness 13.14 (5.6) and pain 6.09 (2.14). There was significant negative relationship between some sleep disorders such as (naps, apnea, asphyxia,…) and pain with quality of life but pain severity had more effect on QOL compared to sleep problems. Furthermore, participants had low quality of life with more restriction in physical (mean=34.71) and general health (mean=34.42). CONCLUSION Sleep problems and pain were associated with poor quality of life in Rheumatoid Arthritis patients.
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Affiliation(s)
- Majid Purabdollah
- Department of Nursing, Nursing and Midwifery Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sima Lakdizaji
- Department of Nursing, Nursing and Midwifery Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Azad Rahmani
- Department of Nursing, Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Iran
| | - Mehrzad Hajalilu
- Department of Internal Medicine, Medicine Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Khalil Ansarin
- Department of Internal Medicine, Medicine Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
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Wu LL, Wang KM, Liao PI, Kao YH, Huang YC. Effects of an 8-Week Outdoor Brisk Walking Program on Fatigue in Hi-Tech Industry Employees: A Randomized Control Trial. Workplace Health Saf 2015; 63:436-45. [PMID: 26194655 DOI: 10.1177/2165079915589685] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Over 73% of hi-tech industry employees in Taiwan lack regular exercise. They are exposed to a highly variable and stressful work environment for extended periods of time, and may subsequently experience depression, detrimental to workers' physiological and mental health. In this cross-sectional survey, the authors explored the effect of an 8-week brisk walking program on the fatigue of employees in the hi-tech industry. The participants, from a hi-tech company in northern Taiwan, were randomly assigned to an experimental group (EG; 41 subjects, Mage = 33.34 ± 6.40) or control group (CG; 45 subjects, Mage = 29.40 ± 3.60). Following the 8-week brisk walking program, the EG showed significantly lower scores for subjective fatigue, working motivation, attention, and overall fatigue. The authors confirmed that the 8-week outdoor brisk walking program significantly improved the level of fatigue among employees of the hi-tech industry. The finding serves as an important reference for health authorities in Taiwan and provides awareness of workplace health promotion in the hi-tech industry.
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Affiliation(s)
- Li-Ling Wu
- National Taipei University of Nursing and Health Sciences
| | - Kuo-Ming Wang
- National Taipei University of Nursing and Health Sciences
| | - Po-I Liao
- National Taipei University of Nursing and Health Sciences
| | - Yu-Hsiu Kao
- National Taipei University of Nursing and Health Sciences
| | - Yi-Ching Huang
- National Taipei University of Nursing and Health Sciences
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15
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Panitz S, Kornhuber M, Hanisch F. The checklist individual strength (CIS20-R) in patients with amyotrophic lateral sclerosis - a longitudinal study. Acta Neurol Scand 2015; 131:372-80. [PMID: 25639482 DOI: 10.1111/ane.12349] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2014] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Fatigue may be underestimated symptom in amyotrophic lateral sclerosis (ALS). The self-administered checklist individual strength (CIS20-R) was used to measure both physical and mental fatigue in ALS. MATERIALS AND METHODS Fatigue was measured in 51 consecutive patients with ALS using the fatigue severity scale (FSS) and the CIS20-R (four dimensions: subjective fatigue experience, concentration, motivation, activity). The questionnaire scores were compared with disease and progression parameters [revised ALS functional rating scale (ALS-FRS-R), MRC sum score, slow vital capacity (slow VC)]. Patients had follow-ups at six and 12 months. RESULTS At baseline (mean age: 57.9 years ± 12.3, mean disease duration: 15.8 months ± 12.7) clinical relevant fatigue was seen in 49% in FSS and 40% in CIS20-R. FSS and CIS20-R (except the subscale for concentration) were steadily increasing in the course of the disease. CIS1 (subjective fatigue) but not FSS showed a correlation to the ALS-FRS-R and the progression of the ALS-FRS-R after 12 months. There was a moderate positive correlation between FSS and CIS20-R. CONCLUSIONS The CIS20-R is a sensitive tool to detect clinically relevant fatigue in early stages of ALS. Both physical and mental (motivation) dimensions of fatigue steadily increase during the course of the disease in ALS.
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Affiliation(s)
- S. Panitz
- Department of Neurology; Martin-Luther-University Halle-Wittenberg; Halle Saale Germany
| | - M. Kornhuber
- Department of Neurology; Martin-Luther-University Halle-Wittenberg; Halle Saale Germany
| | - F. Hanisch
- Department of Neurology; Martin-Luther-University Halle-Wittenberg; Halle Saale Germany
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16
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Takeuchi H, Taki Y, Sekiguchi A, Nouchi R, Kotozaki Y, Nakagawa S, Miyauchi CM, Iizuka K, Yokoyama R, Shinada T, Yamamoto Y, Hanawa S, Araki T, Hashizume H, Kunitoki K, Sassa Y, Kawashima R. Regional gray matter density is associated with morningness-eveningness: Evidence from voxel-based morphometry. Neuroimage 2015; 117:294-304. [PMID: 26003859 DOI: 10.1016/j.neuroimage.2015.05.037] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 05/05/2015] [Accepted: 05/13/2015] [Indexed: 01/04/2023] Open
Abstract
Diurnal preference (morningness-eveningness) is known to be associated with several individual characteristics that are important in the fields of sociology, education, and psychiatry. Despite this importance, the anatomical correlates of individual differences in morningness-eveningness are unknown, and these were investigated in the present study. We used voxel-based morphometry and a questionnaire to determine individual morningness-eveningness and its association with brain structures in 432 healthy men and 344 healthy women (age, 20.7±1.8years). We demonstrated that morningness (less eveningness) was associated with (a) lower regional gray matter density (rGMD) in the precuneus and adjacent areas, (b) lower rGMD in the left posterior parietal cortex and adjacent areas, and (c) higher rGMD in the bilateral orbitofrontal cortex. Further, our exploratory analyses revealed that (d) higher rGMD in hypothalamic areas around the bilateral suprachiasmatic nuclei were associated with morningness. These findings demonstrate that variations in morningness-eveningness reflect the GM structures of focal regions across the cortex, and suggest a structural basis for individual morningness-eveningness and its association with a wide range of psychological variables distributed across different GM areas of the brain.
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Affiliation(s)
- Hikaru Takeuchi
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan.
| | - Yasuyuki Taki
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan; Division of Medical Neuroimaging Analysis, Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan; Department of Radiology and Nuclear Medicine, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Atsushi Sekiguchi
- Division of Medical Neuroimaging Analysis, Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan; Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Rui Nouchi
- Human and Social Response Research Division, International Research Institute of Disaster Science, Tohoku University, Sendai, Japan
| | - Yuka Kotozaki
- Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Seishu Nakagawa
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Carlos Makoto Miyauchi
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Kunio Iizuka
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Ryoichi Yokoyama
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan; Japan Society for the Promotion of Science, Tokyo, Japan
| | - Takamitsu Shinada
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Yuki Yamamoto
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Sugiko Hanawa
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Tsuyoshi Araki
- Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Hiroshi Hashizume
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | | | - Yuko Sassa
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Ryuta Kawashima
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan; Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan; Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
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Nakagawa S, Sugiura M, Sekiguchi A, Kotozaki Y, Araki T, Hanawa S, Makoto Miyauchi C, Sakuma A, Kawashima R. Fatigue and relating to others 3 months after the 2011 Great East Japan Earthquake. Psychiatry Res 2014; 218:324-8. [PMID: 24844979 DOI: 10.1016/j.psychres.2014.04.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Revised: 04/16/2014] [Accepted: 04/28/2014] [Indexed: 10/25/2022]
Abstract
Most inhabitants of Tohoku district suffer from chronic fatigue after the 2011 Great East Japan Earthquake. Chronic fatigue following disasters may lead to serious illness, even death. Posttraumatic growth appears to counteract fatigue. We predicted that the chronic fatigue would be inversely related to the posttraumatic growth factor "relating to others," as represented by mutual helping and a strong sense of connection with humanity. Young 59 healthy volunteers, residing in Miyagi prefecture, were recruited 3 months after the disaster. We measured the subjects׳ total scores on the Japanese version of the Checklist Individual Strength questionnaire (CIS), the Trait Anxiety (T-A) subscale of the State-Trait Anxiety Inventory (STAI), the Center for Epidemiologic Studies Depression Scale (CES-D), and four subscores on the posttraumatic growth inventory (PTGI). Stepwise regression analyses were conducted with score on the CIS as the dependent variable and other scores as independent variables. Scores on the "relating to others" factor of the PTGI showed a significant negative relationship with the CIS score, whereas the scores on the T-A subscale of the STAI and the CES-D were positively related to the CIS score. Human ties and mutual help were negatively related to the degree of the chronic fatigue.
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Affiliation(s)
- Seishu Nakagawa
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer (IDAC), 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan.
| | - Motoaki Sugiura
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer (IDAC), 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; International Research Institute of Disaster Science, Tohoku University, Sendai, Japan
| | - Atsushi Sekiguchi
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer (IDAC), 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; Division of Medical Neuroimage Analysis, Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan
| | - Yuka Kotozaki
- Smart Ageing International Research Center, IDAC, Tohoku University, Sendai, Japan
| | - Tsuyoshi Araki
- Smart Ageing International Research Center, IDAC, Tohoku University, Sendai, Japan
| | - Sugiko Hanawa
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer (IDAC), 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
| | - Carlos Makoto Miyauchi
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer (IDAC), 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
| | - Atsushi Sakuma
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer (IDAC), 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; Department of Psychiatry, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Ryuta Kawashima
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer (IDAC), 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; Smart Ageing International Research Center, IDAC, Tohoku University, Sendai, Japan; Division of Developmental Cognitive Neuroscience, IDAC, Tohoku University, Sendai, Japan
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Roelen CAM, Heymans MW, van Rhenen W, Groothoff JW, Twisk JWR, Bültmann U. Fatigue as prognostic risk marker of mental sickness absence in white collar employees. JOURNAL OF OCCUPATIONAL REHABILITATION 2014; 24:307-315. [PMID: 23821309 DOI: 10.1007/s10926-013-9458-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
PURPOSE To investigate fatigue as prognostic risk marker for identifying working employees at risk of long-term sickness absence (SA). METHODS At baseline, fatigue was measured in 633 white collar employees with the checklist individual strength (CIS) including scales for fatigue severity, reduced concentration, reduced motivation, and reduced physical activity. SA was medically certified by an occupational physician in the 3rd or 4th SA week with diagnostic codes according to the 10th version of the International Classification of Diseases. Medically certified SA was retrieved at the individual level from an occupational health register after 1-year follow-up. CIS scores were investigated as prognostic risk markers predicting medically certified SA and particularly SA certified as mental SA. RESULTS 614 employees (N = 378 men and N = 236 women) had complete data and were eligible for analysis; 63 (10 %) had medically certified SA of whom 39 (6 %) had mental SA. Fatigue severity and total CIS scores were associated with medically certified SA in men, but poorly discriminated between men with and without medically certified SA. Fatigue severity, reduced concentration, reduced motivation, and total CIS scores were also associated with mental SA in men. CIS and its reduced concentration scale were valid prognostic risk markers of mental SA. CONCLUSION Fatigue was a prognostic risk marker of mental SA in white collar men. The CIS should be further validated as a screening tool for the risk of mental SA in white collar working populations.
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Affiliation(s)
- C A M Roelen
- Department of Health Sciences, Methodology and Applied Biostatistics, VU University, De Boelelaan 1085, 1081 HV, Amsterdam, The Netherlands,
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The neural substrates of self-evaluation of mental fatigue: a magnetoencephalography study. PLoS One 2014; 9:e95763. [PMID: 24752677 PMCID: PMC3994139 DOI: 10.1371/journal.pone.0095763] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Accepted: 03/30/2014] [Indexed: 11/24/2022] Open
Abstract
There have been several studies of the neural mechanisms underlying sensation of fatigue. However, little is known about the neural mechanisms underlying self-evaluation of the level of fatigue. The aim of this study was to identify the neural substrates involved in self-evaluation of the level of mental fatigue. We used magnetoencephalography (MEG) with high temporal resolution on 14 healthy participants. During MEG recordings, participants were asked to evaluate their level of mental fatigue in time with execution cues (evaluation trials) or to do nothing in time with execution cues (control trials). The MEG data were analyzed with equivalent current dipole (ECD) and spatial filtering methods to localize the neural activity related to the evaluation of mental fatigue. The daily level of fatigue sensation was assessed using the Checklist Individual Strength questionnaire. In evaluation trials, ECDs were observed in the posterior cingulate cortex (PCC) in seven of 14 participants, with a mean latency of 366.0 ms. The proportion of the participants with ECDs in the PCC was higher in evaluation trials than in control trials (P<0.05, McNemar test). The extent of the decreased delta band power in the PCC (Brodmann’s area 31) 600–700 ms after the onset of the execution cue and that in the dorsolateral prefrontal cortex (DLPFC; Brodmann’s area 9) 800–900 ms after the onset of the execution cue were greater in the evaluation trials than in the control trials. The decrease in delta band power in the DLPFC was positively related to that in the PCC and to the daily level of fatigue sensation. These data suggest that the PCC and DLPFC are involved in the self-evaluation of mental fatigue.
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Wang YP, Gorenstein C. Psychometric properties of the Beck Depression Inventory-II: a comprehensive review. BRAZILIAN JOURNAL OF PSYCHIATRY 2013; 35:416-31. [DOI: 10.1590/1516-4446-2012-1048] [Citation(s) in RCA: 655] [Impact Index Per Article: 59.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Accepted: 02/13/2013] [Indexed: 02/05/2023]
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Marques M, De Gucht V, Gouveia MJ, Cordeiro A, Leal I, Maes S. Psychometric Properties of the Portuguese Version of the Checklist of Individual Strength (CIS20-P). PSYCHOLOGY, COMMUNITY & HEALTH 2013. [DOI: 10.5964/pch.v2i1.57] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
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Nakagawa S, Sugiura M, Akitsuki Y, Hosseini SMH, Kotozaki Y, Miyauchi CM, Yomogida Y, Yokoyama R, Takeuchi H, Kawashima R. Compensatory effort parallels midbrain deactivation during mental fatigue: an fMRI study. PLoS One 2013; 8:e56606. [PMID: 23457592 PMCID: PMC3573002 DOI: 10.1371/journal.pone.0056606] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Accepted: 01/15/2013] [Indexed: 11/18/2022] Open
Abstract
Fatigue reflects the functioning of our physiological negative feedback system, which prevents us from overworking. When fatigued, however, we often try to suppress this system in an effort to compensate for the resulting deterioration in performance. Previous studies have suggested that the effect of fatigue on neurovascular demand may be influenced by this compensatory effort. The primary goal of the present study was to isolate the effect of compensatory effort on neurovascular demand. Healthy male volunteers participated in a series of visual and auditory divided attention tasks that steadily increased fatigue levels for 2 hours. Functional magnetic resonance imaging scans were performed during the first and last quarter of the study (Pre and Post sessions, respectively). Tasks with low and high attentional load (Low and High conditions, respectively) were administrated in alternating blocks. We assumed that compensatory effort would be greater under the High-attentional-load condition compared with the Low-load condition. The difference was assessed during the two sessions. The effect of compensatory effort on neurovascular demand was evaluated by examining the interaction between load (High vs. Low) and time (Pre vs. Post). Significant fatigue-induced deactivation (i.e., Pre>Post) was observed in the frontal, temporal, occipital, and parietal cortices, in the cerebellum, and in the midbrain in both the High and Low conditions. The interaction was significantly greater in the High than in the Low condition in the midbrain. Neither significant fatigue-induced activation (i.e., Pre<Post), nor its interaction with factor Load, was identified. The observed midbrain deactivation ([PreH - PostH]>[PreE- PostE]) may reflect suppression of the negative feedback system that normally triggers recuperative rest to maintain homeostasis.
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Affiliation(s)
- Seishu Nakagawa
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, (IDAC), Tohoku University, Sendai, Japan.
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Ergin, G, Yildirim Y. A validity and reliability study of the Turkish Checklist Individual Strength (CIS) questionnaire in musculoskeletal physical therapy patients. Physiother Theory Pract 2012; 28:624-32. [DOI: 10.3109/09593985.2011.654321] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Tanaka K, Takahashi M, Tanaka M, Takanao T, Nishinoue N, Kaku A, Kato N, Tagaya H, Miyaoka H. Brief Morning Exposure to Bright Light Improves Subjective Symptoms and Performance in Nurses with Rapidly Rotating Shifts. J Occup Health 2011; 53:258-66. [DOI: 10.1539/joh.l10118] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Katsutoshi Tanaka
- Department of Occupational Mental HealthGraduate School of Medical Sciences, Kitasato UniversityJapan
| | | | - Mika Tanaka
- School of Nursing, Faculty of MedicineFukuoka UniversityJapan
| | - Tomoki Takanao
- Department of Occupational Mental HealthGraduate School of Medical Sciences, Kitasato UniversityJapan
| | - Nao Nishinoue
- Department of Occupational Mental HealthGraduate School of Medical Sciences, Kitasato UniversityJapan
| | - Akiko Kaku
- Department of Occupational Mental HealthGraduate School of Medical Sciences, Kitasato UniversityJapan
| | - Noritada Kato
- Department of Occupational Mental HealthGraduate School of Medical Sciences, Kitasato UniversityJapan
| | - Hirokuni Tagaya
- Department of Health ScienceSchool of Health Sciences, Kitasato UniversityJapan
| | - Hitoshi Miyaoka
- Department of PsychiatryKitasato University School of MedicineJapan
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Shimizu M, Wada K, Wang G, Kawashima M, Yoshino Y, Sakaguchi H, Ohta H, Miyaoka H, Aizawa Y. Factors of working conditions and prolonged fatigue among teachers at public elementary and junior high schools. INDUSTRIAL HEALTH 2011; 49:434-442. [PMID: 21697625 DOI: 10.2486/indhealth.ms1206] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Prolonged fatigue among elementary and junior high school teachers not only damages their health but also affects the quality of education. The aim of this study was to determine the factors of working conditions associated with prolonged fatigue among teachers at public elementary and junior high schools. We distributed a self-reported, anonymous questionnaire to 3,154 teachers (1,983 in elementary schools, 1,171 in junior high schools) working in public schools in a city in Japan. They were asked to assess 18 aspects of their working conditions using a seven-point Likert scale. Prolonged fatigue was measured using the Japanese version of the checklist individual strength questionnaire. Multiple regression analysis was used to examine the association between working conditions and prolonged fatigue. Gender, age, and school type were introduced as confounders. In all, 2,167 teachers participated in this study. Results showed that qualitative and quantitative workload (time pressure due to heavy workload, interruptions, physically demanding job, extra work at home), communication with colleagues (poor communication, lack of support), and career factors (underestimation of performance by the board of education or supervisors, occupational position not reflecting training, lack of prospects for work, job insecurity) were associated with prolonged fatigue.
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Affiliation(s)
- Midori Shimizu
- Department of Occupational Health, Graduate School of Medical Science,Kitasato University School of Medicine, 1–15–1 Kitasato, Sagamihara, Kanagawa, Japan
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Work-family conflict and prolonged fatigue among Japanese married male physicians. Int Arch Occup Environ Health 2011; 84:937-42. [PMID: 21267595 DOI: 10.1007/s00420-011-0613-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2010] [Accepted: 01/12/2011] [Indexed: 10/18/2022]
Abstract
PURPOSE Fatigue experienced by physicians may not only endanger their own health but may also affect the safety of patients. Such fatigue may be associated with the work environment and personal factors such as work-family conflict (WFC). This study aimed to determine the association between WFC and prolonged fatigue among Japanese married male physicians. METHODS Physicians who graduated from a Japanese medical school answered a mailed anonymous self-report questionnaire. For assessment of WFC and prolonged fatigue, the Japanese versions of the WFC scale and the Checklist of Individual Strength questionnaire (CIS) were used. Prolonged fatigue was defined as the upper quartile of total CIS scores. The WFC scale comprises six dimensions. Total scores were divided into tertiles: low, intermediate, and high levels of WFC. A multiple logistic regression analysis was performed to examine the association between WFC and prolonged fatigue. RESULTS A total of 540 male physicians answered the questionnaire, and the data of 444 married male physicians were analyzed. The data were then adjusted for age and work condition factors. Prolonged fatigue was significantly associated with high strain-based work interference with family (WIF; corrected odds ratio, 5.56; 95% confidence interval, 2.55-12.1), intermediate strain-based WIF (2.53, 1.25-5.10), high time-based family interference with work (FIW; 1.92, 1.08-3.40), and there was a weak association with high strain-based FIW (1.93, 0.98-3.83). CONCLUSIONS Employers should take measures to improve working conditions in hospitals, and give physicians the opportunity to learn how to cope with WFC. These measures could ultimately help prevent prolonged fatigue.
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Kakinuma M, Takahashi M, Kato N, Aratake Y, Watanabe M, Ishikawa Y, Kojima R, Shibaoka M, Tanaka K. Effect of brief sleep hygiene education for workers of an information technology company. INDUSTRIAL HEALTH 2010; 48:758-765. [PMID: 20616458 DOI: 10.2486/indhealth.ms1083] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
To investigate the effects of sleep hygiene education for workers of an information technology (IT) company, we conducted a controlled clinical trial providing 581 workers one-hour sleep hygiene education. The contents of the sleep hygiene education program were a review of sleep habits, provide sleep hygiene education, and the establishment of sleep habit goals. A self-report questionnaire was used to measure outcomes including the Pittsburgh Sleep Quality Index (PSQI), Karolinska Sleepiness Scale (KSS), Checklist Individual Strength (CIS), Center for Epidemiologic Studies for Depression (CES-D), and mean sleep duration on weekdays before and 4 wk after the intervention. A total of 391 participants were included in the analysis, with 214 participants in the sleep hygiene education group and 177 in the waiting list group. KSS score at 2 P.M. decreased by 0.42 points in the sleep hygiene education group, but increased by 0.08 points in the waiting list group, showing a significant effect size of 0.50 (95%CI, -0.97 to -0.04, p<0.05). PSQI score also improved, but the inter-group difference was not statically significant. The present study provides preliminary evidence that brief sleep hygiene education may improve afternoon sleepiness at work, but not sleep at night for IT workers.
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Affiliation(s)
- Mitsuru Kakinuma
- Department of Occupational Mental Health, Graduate School of Medical Science Kitasato University, Sagamihara, Kanagawa, Japan.
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Mota NF, Cruz DDALMD, Fini A. Fadiga em adultos acompanhantes de pacientes em tratamento ambulatorial. ACTA PAUL ENFERM 2010. [DOI: 10.1590/s0103-21002010000300006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
OBJETIVOS: Descrever a fadiga e fadiga ao esforço em pessoas sem doenças crônicas e verificar associação entre fadiga ou fadiga ao esforço e sexo, idade, escolaridade, convivência marital, depressão, atividade física, tabagismo, Índice de Massa Corporal (IMC), dispnéia e depressão. MÉTODOS: Estudo descritivo abragendo 93 acompanhantes de pacientes ambulatoriais que informaram sobre tabagismo, fadiga, fadiga ao esforço, depressão, e atividade física. RESULTADOS: Dos 93 voluntários (65,6% mulheres, média de idade 33,4±10,1 anos), 52,7% tinham fadiga e 34,4% fadiga ao esforço. O escore médio de fadiga foi 16,3±6,6 (escala de 8 a 40) e de fadiga ao esforço 12,6±4,4 (escala de 9 a 45). A fadiga foi mais intensa (p=0,005) e mais freqüente (p=0,001) nas mulheres e correlacionou-se positivamente com depressão (r s=0,47; p=0,000). A fadiga ao esforço correlacionou-se positivamente com depressão (r s=0,39; p=0,000) e foi mais freqüente entre as mulheres (p=0,001). CONCLUSÃO: As características da fadiga em amostra de acompanhantes de pacientes são semelhantes às de pacientes com doenças crônicas. A interpretação de dados sobre fadiga em doenças crônicas precisaria considerar dados de fadiga na população geral.
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Noordik E, van Dijk FJ, Nieuwenhuijsen K, van der Klink JJL. Effectiveness and cost-effectiveness of an exposure-based return-to-work programme for patients on sick leave due to common mental disorders: design of a cluster-randomized controlled trial. BMC Public Health 2009; 9:140. [PMID: 19439084 PMCID: PMC2689200 DOI: 10.1186/1471-2458-9-140] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2009] [Accepted: 05/13/2009] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND To reduce the duration of sick leave and loss of productivity due to common mental disorders (CMDs), we developed a return-to-work programme to be provided by occupational physicians (OPs) based on the principles of exposure in vivo (RTW-E programme). This study evaluates this programme's effectiveness and cost-effectiveness by comparing it with care as usual (CAU). The three research questions we have are: 1) Is an RTW-E programme more effective in reducing the sick leave of employees with common mental disorders, compared with care as usual? 2) Is an RTW-E programme more effective in reducing sick leave for employees with anxiety disorders compared with employees with other common mental disorders? 3) From a societal perspective, is an RTW-E programme cost-effective compared with care as usual? METHODS/DESIGN This study was designed as a pragmatic cluster-randomized controlled trial with a one-year follow-up and randomization on the level of OPs. We aimed for 60 OPs in order to include 200 patients. Patients in the intervention group received the RTW-E programme. Patients in the control group received care as usual. Eligible patients had been on sick leave due to common mental disorders for at least two weeks and no longer than eight weeks. As primary outcome measures, we calculated the time until full return to work and the duration of sick leave. Secondary outcome measures were time until partial return to work, prevalence rate of sick leave at 3, 6, 9, and 12 months' follow-up, and scores of symptoms of distress, anxiety, depression, somatization, and fatigue; work capacity; perceived working conditions; self-efficacy for return to work; coping behaviour; avoidance behaviour; patient satisfaction; and work adaptations. As process measures, we used indices of compliance with the intervention in the intervention group and employee-supervisor communication in both groups. Economic costs were calculated from a societal perspective. The total costs consisted of the costs of consuming health care, costs of production loss due to sick leave and reduced productivity, and out-of-pocket costs of patients for travelling to their OP. DISCUSSION The results will be published in 2009. The strengths and weaknesses of the study protocol are discussed. TRIAL REGISTRATION ISRCTN72643128.
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Affiliation(s)
- Erik Noordik
- Coronel Institute of Occupational Health, Academic Medical Center (AMC), University of Amsterdam, PO Box 22700, 1100 DE, Amsterdam, The Netherlands
| | - Frank J van Dijk
- Coronel Institute of Occupational Health, Academic Medical Center (AMC), University of Amsterdam, PO Box 22700, 1100 DE, Amsterdam, The Netherlands
| | - Karen Nieuwenhuijsen
- Coronel Institute of Occupational Health, Academic Medical Center (AMC), University of Amsterdam, PO Box 22700, 1100 DE, Amsterdam, The Netherlands
| | - Jac JL van der Klink
- University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
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Factors on working conditions and prolonged fatigue among physicians in Japan. Int Arch Occup Environ Health 2008; 82:59-66. [PMID: 18330593 DOI: 10.1007/s00420-008-0307-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2007] [Accepted: 02/20/2008] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Fatigue among physicians could affect patients' safety and physicians' health. Fatigue could be caused by unfavorable working conditions. However, there have been no studies on the working conditions and fatigue among physicians in Japan. The objective of this study was to determine the factors on working conditions associated with prolonged fatigue among physicians in Japan. METHODS A questionnaire was mailed to physicians who graduated from one of the medical schools in Japan and who have had more than 3 years of experience in clinical practice. They were asked to assess 10 different aspects of their working conditions using a 5-point Likert scale. Prolonged fatigue was measured using the checklist of individual strength questionnaire. Multiple regression analysis was used to examine the multivariate relationship between the variables and prolonged fatigue. Data from 377 men and 101 women were analyzed in this study. RESULTS For both male and female physicians, a harder workload was positively associated and better career satisfaction was negatively associated with prolonged fatigue. Prolonged fatigue was negatively associated with better relationships with other physicians and staff for male physicians and less personal time for female physicians. The adjusted variance in prolonged fatigue related to exposure variables was 26 and 29% in men and in women, respectively. CONCLUSIONS The result of this study suggested that it is desirable to take these factors into consideration in the management of prolonged fatigue among physicians in Japan.
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