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WATANABE K, IMAMURA K, INOUE A, OTSUKA Y, SHIMAZU A, EGUCHI H, ADACHI H, SAKURAYA A, KOBAYASHI Y, ARIMA H, KAWAKAMI N. Measuring eudemonic well-being at work: a validation study for the 24-item the University of Tokyo Occupational Mental Health (TOMH) well-being scale among Japanese workers. Ind Health 2020; 58:107-131. [PMID: 31366851 PMCID: PMC7118063 DOI: 10.2486/indhealth.2019-0074] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 07/24/2019] [Indexed: 06/10/2023]
Abstract
Although the eudemonic perspective seems to be a promising in considering vocational identity among working population, well-being at work has been discussed primarily in terms of subjective/hedonic well-being. This study aimed to develop a new tool to measure eudemonic well-being at work (The University of Tokyo Occupational Mental Health [TOMH] well-being 24 scale)and investigate its validity in a collectivist culture. Two online surveys were conducted with a total of 1,760 workers in Japan. We created 89 potential items from existing scales. An exploratory factor analysis indicated eight factors for the dimensions of measurement. After item selection based on item response theory, the factor structure with three items from each of the eight dimensions indicated an excellent fit for another sample. Cronbach's α and intra-class coefficients ranged from 0.671 to 0.845. The scores of the tool were more strongly associated with subjective well-being in the work context rather than well-being in general. In addition, the participants in the group demonstrating a higher risk for mental illness and a more stressful work environment indicated significantly lower scores, even after adjusting for general eudemonic well-being. The new measurement may be useful both for academic and practical applications for measuring eudemonic well-being at work, independent from general eudemonic well-being.
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Affiliation(s)
- Kazuhiro WATANABE
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Kotaro IMAMURA
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Akiomi INOUE
- Department of Public Health, Kitasato University School of
Medicine, Japan
| | | | | | - Hisashi EGUCHI
- Department of Public Health, Kitasato University School of
Medicine, Japan
| | - Hidehiko ADACHI
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Asuka SAKURAYA
- Department of Public Health, Tokyo Women’s Medical
University, Japan
| | - Yuka KOBAYASHI
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Hideaki ARIMA
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Norito KAWAKAMI
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
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ANDO E, KACHI Y, KAWAKAMI N, FUKUDA Y, KAWADA T. Associations of non-standard employment with cardiovascular risk factors: findings from nationwide cross-sectional studies in Japan. Ind Health 2018; 56:336-345. [PMID: 29657240 PMCID: PMC6066431 DOI: 10.2486/indhealth.2017-0079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 03/22/2018] [Indexed: 05/04/2023]
Abstract
This study aimed to examine the cross-sectional association of non-standard employment with cardiovascular disease risk factors. Five yr of data from the Comprehensive Survey of Living Conditions and National Health and Nutritional Survey were combined. We used logistic regression to examine the association of employment contract (non-standard [part-time, dispatched, or contract] vs. standard [full-time and permanent]) with eight cardiovascular disease risk factors among 1,636 men and 2,067 women aged 40-60 yr. There were significant associations between non-standard employment and cardiovascular disease risk factors such as current smoking among men (odds ratio [OR] 1.39; 95% confidential interval [CI], 1.13-1.86) and diabetes among women (OR 1.83; 95% CI, 1.10-3.09). Non-standard employment was associated with a few cardiovascular disease risk factors in this middle-aged cohort in Japan.
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Affiliation(s)
- Emiko ANDO
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Yuko KACHI
- Department of Hygiene and Public Health, Nippon Medical
School, Japan
| | - Norito KAWAKAMI
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | | | - Tomoyuki KAWADA
- Department of Hygiene and Public Health, Nippon Medical
School, Japan
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3
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EGUCHI H, SHIMAZU A, FUJIWARA T, IWATA N, SHIMADA K, TAKAHASHI M, TOKITA M, WATAI I, KAWAKAMI N. The effects of workplace psychosocial factors on whether Japanese dual-earner couples with preschool children have additional children: a prospective study. Ind Health 2016; 54:498-504. [PMID: 27760893 PMCID: PMC5136606 DOI: 10.2486/indhealth.2016-0080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Accepted: 10/07/2016] [Indexed: 06/06/2023]
Abstract
This study explored the effect of workplace psychosocial factors (job demand, job control, and workplace social support) on dual-earner couples in Japan having additional children, using a prospective study design. We conducted a 2-year prospective cohort study with 103 dual-earner couples with preschool children in Japan, as part of the Tokyo Work-Family Interface Study II. We used multivariable logistic regression analyses to evaluate the prospective association of job strain (categorized into low-strain job, active job, passive job, and strain job groups) and workplace social support (high and low) with couples having additional children during the follow-up period, adjusting for age, for men and women separately. Men in the active job group (i.e., with high job demands and high job control) had a significantly higher odds ratio (OR) of having additional children during the follow-up period, after controlling for age (OR 9.07, 95% confidence interval: 1.27-64.85). No significant association between any workplace psychosocial factor and having additional children was confirmed among women. Having an active job may have a positive influence on having additional children among men in dual-earner couples.
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Affiliation(s)
- Hisashi EGUCHI
- Department of Public Health, Kitasato University School of Medicine, Japan
| | - Akihito SHIMAZU
- Department of Mental Health, The University of Tokyo, Graduate School of Medicine, Japan
| | - Takeo FUJIWARA
- Department of Global Health Promotion, Tokyo Medical and Dental University, Japan
| | - Noboru IWATA
- Department of Psychology, Hiroshima International University, Japan
| | - Kyoko SHIMADA
- Department of Mental Health, The University of Tokyo, Graduate School of Medicine, Japan
| | | | - Masahito TOKITA
- School of Nursing, Gumma Paz College, Faculty of Health Science, Japan
| | - Izumi WATAI
- Department of Nursing, Nagoya University, Japan
| | - Norito KAWAKAMI
- Department of Mental Health, The University of Tokyo, Graduate School of Medicine, Japan
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4
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HIROKAWA K, MIWA M, TANIGUCHI T, TSUCHIYA M, KAWAKAMI N. Moderating effects of salivary testosterone levels on associations between job demand and psychological stress response in Japanese medical workers. Ind Health 2016; 54:194-203. [PMID: 26632120 PMCID: PMC4939866 DOI: 10.2486/indhealth.2015-0113] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 11/04/2015] [Indexed: 06/05/2023]
Abstract
Levels of job stress have been shown to be inversely associated with testosterone levels, but some inconsistent results have been documented. We investigated the moderating effects of testosterone levels on associations between job stress-factors and psychological stress responses in Japanese medical workers. The participants were 63 medical staff (20 males and 43 women; mean age: 30.6 years; SD=7.3) in Okayama, Japan. Their job-stress levels and psychological stress responses were evaluated using self-administered questionnaires, and their salivary testosterone collected. Multiple regression analyses showed that job demand was positively associated with stress responses in men and women. An interaction between testosterone and support from colleagues had a significant effect on depression and anxiety for women. In women with lower testosterone levels, a reducing effect of support from colleagues on depression and anxiety was intensified. In women with higher testosterone levels, depression and anxiety levels were identical regardless of support from colleagues. Testosterone may function as a moderator between perceived work environment and psychological stress responses for female medical workers.
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Affiliation(s)
- Kumi HIROKAWA
- Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Hygiene and Preventive Medicine, Japan
- Department of Nursing, Baika Women’s University, Japan
| | - Machiko MIWA
- Department of Nursing, Baika Women’s University, Japan
| | - Toshiyo TANIGUCHI
- Department of Welfare System and Health Science, Okayama Prefectural University, Japan
| | - Masao TSUCHIYA
- National Institute of Occupational Safety and Health, Japan
| | - Norito KAWAKAMI
- Department of Mental Health and Department of Psychiatric Nursing, The University of Tokyo, Japan
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Abstract
This study investigated the prospective association between supervisor leadership styles and workplace bullying. Altogether 404 civil servants from a local government in Japan completed baseline and follow-up surveys. The leadership variables and exposure to bullying were measured by Multifactor Leadership Questionnaire and Negative Acts Questionnaire-Revised, respectively. The prevalence of workplace bullying was 14.8% at baseline and 15.1% at follow-up. Among respondents who did not experience bullying at baseline (n=216), those who worked under the supervisors as higher in passive laissez-faire leadership had a 4.3 times higher risk of new exposure to bullying. On the other hand, respondents whose supervisors with highly considerate of the individual had a 70% lower risk of new exposure to bullying. In the entire sample (n=317), passive laissez-faire leadership was significantly and positively associated, while charisma/inspiration, individual consideration, and contingent reward were negatively associated both after adjusting for demographic and occupational characteristics at baseline, life events during follow-up, and exposure to workplace bullying at baseline. Results indicated that passive laissez-faire and low individual consideration leadership style at baseline were strong predictors of new exposure to bullying and high individual consideration leadership of supervisors/managers could be a preventive factor against bullying.
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Affiliation(s)
- Kanami TSUNO
- Department of Hygiene, School of Medicine, Wakayama Medical
University, Japan
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
- *To whom correspondence should be addressed. E-mail:
| | - Norito KAWAKAMI
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
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UMANODAN R, SHIMAZU A, MINAMI M, KAWAKAMI N. Effects of computer-based stress management training on psychological well-being and work performance in japanese employees: a cluster randomized controlled trial. Ind Health 2014; 52:480-491. [PMID: 25055847 PMCID: PMC4273016 DOI: 10.2486/indhealth.2013-0209] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Accepted: 06/20/2014] [Indexed: 06/03/2023]
Abstract
This study evaluated the effectiveness of a computer-based stress management training (SMT) program in improving employees' psychological well-being and work performance. A total of 12 work units (N=263) were randomly assigned to either an intervention group (8 work units, n=142) or to a wait-list control group (4 work units, n=121). All participants were requested to answer online questionnaires assessing psychological well-being as a primary outcome, and coping style, social support, and knowledge about stress management as secondary outcomes at baseline (T0), immediately after the intervention (T1), and 2 months after the intervention (T2). The group × time interaction was tested using a mixed-model repeated measures ANOVA. Results showed a group × time interaction for "knowledge about stress management" in the entire sample. Among participants who had more than 3 d of training, a significant group × time interaction was observed for "problem-solving" and "avoidance and suppression" as well as "knowledge about stress management." Our computer-based stress management program was effective for improving knowledge about stress management. It was also effective for improving coping skills in instances where participants had enough time (at least 3 d) to complete all sessions.
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Affiliation(s)
- Rino UMANODAN
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Akihito SHIMAZU
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Masahide MINAMI
- Department of Public Health / Health Policy, The University
of Tokyo, Japan
| | - Norito KAWAKAMI
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
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7
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NAKAGAWA Y, INOUE A, KAWAKAMI N, TSUNO K, TOMIOKA K, NAKANISHI M, MAFUNE K, HIRO H. Job demands, job resources, and job performance in japanese workers: a cross-sectional study. Ind Health 2014; 52:471-479. [PMID: 25016948 PMCID: PMC4273015 DOI: 10.2486/indhealth.2014-0036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 06/19/2014] [Indexed: 06/03/2023]
Abstract
This study investigated the cross-sectional association of job demands (i.e., psychological demands) and job resources (i.e., decision latitude, supervisor support, co-worker support, and extrinsic reward) with job performance. A total of 1,198 workers (458 males and 740 females) from a manufacturing company in Japan completed a self-administered questionnaire that included the Job Content Questionnaire, Effort-Reward Imbalance Questionnaire, World Health Organization Health and Work Performance Questionnaire, and demographic survey. Hierarchical multiple regression analyses were conducted. After adjusting for demographic characteristics, decision latitude (β=0.107, p=0.001) and extrinsic reward (β=0.158, p<0.001) were positively and significantly associated with job performance while supervisor support (β=-0.102, p=0.002) was negatively and significantly associated with job performance. On the other hand, psychological demands or co-worker support was not significantly associated with job performance. These findings suggest that higher decision latitude and extrinsic reward enhance job performance among Japanese employees.
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Affiliation(s)
- Yuko NAKAGAWA
- Department of Health Policy and Management, Graduate School
of Medical Science, University of Occupational and Environmental Health, Japan
| | - Akiomi INOUE
- Department of Mental Health, Institute of Industrial
Ecological Sciences, University of Occupational and Environmental Health, Japan
| | - Norito KAWAKAMI
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Kanami TSUNO
- Department of Hygiene, School of Medicine, Wakayama Medical
University, Japan
| | - Kimiko TOMIOKA
- Department of Community Health and Epidemiology, Nara Medical
University, Japan
| | | | - Kosuke MAFUNE
- Department of Mental Health, Institute of Industrial
Ecological Sciences, University of Occupational and Environmental Health, Japan
| | - Hisanori HIRO
- Department of Mental Health, Institute of Industrial
Ecological Sciences, University of Occupational and Environmental Health, Japan
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8
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INOUE A, KAWAKAMI N, SHIMOMITSU T, TSUTSUMI A, HARATANI T, YOSHIKAWA T, SHIMAZU A, ODAGIRI Y. Development of a short version of the new brief job stress questionnaire. Ind Health 2014; 52:535-40. [PMID: 24975108 PMCID: PMC4273022 DOI: 10.2486/indhealth.2014-0114] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Accepted: 06/19/2014] [Indexed: 06/02/2023]
Abstract
This study was aimed to investigate the test-retest reliability and validity of a short version of the New Brief Job Stress Questionnaire (New BJSQ) whose scales have one item selected from a standard version. Based on the results from an anonymous web-based questionnaire of occupational health staffs and personnel/labor staffs, we selected higher-priority scales from the standard version. After selecting one item with highest item-total correlation coefficient from each scale, a 23-item questionnaire was developed. A nationally representative survey was administered to Japanese employees (n=1,633) to examine test-retest reliability and validity. Most scales (or items) showed modest but adequate levels of test-retest reliability (r>0.50). Furthermore, job demands and job resources scales (or items) were associated with mental and physical stress reactions while job resources scales (or items) were also associated with positive outcomes. These findings provided a piece of evidence that the short version of the New BJSQ is reliable and valid.
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Affiliation(s)
- Akiomi INOUE
- Department of Mental Health, Institute of Industrial
Ecological Sciences, University of Occupational and Environmental Health, Japan
| | - Norito KAWAKAMI
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Teruichi SHIMOMITSU
- Japan Health Promotion Fitness Foundation, Japan
- Department of Preventive Medicine and Public Health, Tokyo
Medical University, Japan
| | - Akizumi TSUTSUMI
- Department of Public Health, Kitasato University School of
Medicine, Japan
| | - Takashi HARATANI
- Health Administration and Psychosocial Factor Research Group,
National Institute of Occupational Safety and Health, Japan
| | - Toru YOSHIKAWA
- Department of Research, The Institute for Science of Labour,
Japan
| | - Akihito SHIMAZU
- Department of Mental Health, Graduate School of Medicine, The
University of Tokyo, Japan
| | - Yuko ODAGIRI
- Department of Preventive Medicine and Public Health, Tokyo
Medical University, Japan
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INOUE A, KAWAKAMI N, SHIMOMITSU T, TSUTSUMI A, HARATANI T, YOSHIKAWA T, SHIMAZU A, ODAGIRI Y. Development of a short questionnaire to measure an extended set of job demands, job resources, and positive health outcomes: the new brief job stress questionnaire. Ind Health 2014; 52:175-89. [PMID: 24492763 PMCID: PMC4209588 DOI: 10.2486/indhealth.2013-0185] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Accepted: 01/22/2014] [Indexed: 05/06/2023]
Abstract
This study aimed to investigate the reliability and construct validity of a new version of the Brief Job Stress Questionnaire (New BJSQ), which measures an extended set of psychosocial factors at work by adding new scales/items to the current version of the BJSQ. Additional scales/items were extensively collected from theoretical job stress models and similar questionnaires in several countries. Scales/items were field-tested and refined through a pilot internet survey. Finally, an 84-item questionnaire (141 items in total when combined with the current BJSQ) was developed. A nationally representative survey was administered to employees in Japan (n=1,633) to examine the reliability and construct validity. Most scales showed acceptable levels of internal consistency and test-retest reliability. Principal component analyses showed that the first factor explained 50% or greater proportion of the variance in most scales. A scale factor analysis and a correlation analysis showed that these scales fit the theoretical expectations. These findings provided a piece of evidence that the New BJSQ scales are reliable and valid. Although more detailed content and construct validity should be examined in future study, the New BJSQ is a useful instrument to evaluate psychosocial work environment and positive mental health outcomes in the current workplace.
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Affiliation(s)
- Akiomi INOUE
- Department of Mental Health, Institute of Industrial
Ecological Sciences, University of Occupational and Environmental Health, Japan
| | - Norito KAWAKAMI
- Department of Mental Health, Graduate School of Medicine,
The University of Tokyo, Japan
| | - Teruichi SHIMOMITSU
- Japan Health Promotion Fitness Foundation, Japan
- Department of Preventive Medicine and Public Health, Tokyo
Medical University, Japan
| | - Akizumi TSUTSUMI
- Department of Public Health, Kitasato University School of
Medicine, Japan
| | - Takashi HARATANI
- Health Administration and Psychosocial Factor Research
Group, National Institute of Occupational Safety and Health, Japan
| | - Toru YOSHIKAWA
- Department of Research, The Institute for Science of Labour,
Japan
| | - Akihito SHIMAZU
- Department of Mental Health, Graduate School of Medicine,
The University of Tokyo, Japan
| | - Yuko ODAGIRI
- Department of Preventive Medicine and Public Health, Tokyo
Medical University, Japan
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SHIMAZU A, DE JONGE J, KUBOTA K, KAWAKAMI N. Psychological detachment from work during off-job time: predictive role of work and non-work factors in Japanese employees. Ind Health 2014; 52:141-146. [PMID: 24492761 PMCID: PMC4202757 DOI: 10.2486/indhealth.2013-0210] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Accepted: 01/20/2014] [Indexed: 06/03/2023]
Abstract
Psychological detachment from work, an off-job experience of "switching off" mentally, seems to be crucial for promoting employee's well-being. Previous studies on predictors of psychological detachment mainly focused on job-related factors, and only a few studies focused on family-related and personal factors. This study focuses not only on job-related factors (job demands, job control, workplace support) but also on family-related (family/friend support) and personal factors (workaholism), and examines the relation of these three factors with psychological detachment. Data of 2,520 Japanese employees was randomly split into two groups and then analyzed using cross-validation. Hierarchical multiple regression analyses revealed that family/friend support had a positive association with psychological detachment, whereas a subscale of workaholism (i.e. working compulsively) had negative associations with it across the two groups. Results suggest that family/friend support would facilitate psychological detachment whereas workaholism would inhibit it.
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Affiliation(s)
| | - Jan DE JONGE
- Human Performance Management Group, Department of Industrial
Engineering and Innovation Sciences, Eindhoven University of Technology, The
Netherlands
- School of Psychology, Centre for Applied Psychological
Research, Work and Stress Research Group, University of South Australia, Australia
| | - Kazumi KUBOTA
- Department of Mental Health, The University of Tokyo,
Japan
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11
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SHIMAZU A, KAWAKAMI N, KUBOTA K, INOUE A, KURIOKA S, MIYAKI K, TAKAHASHI M, TSUTSUMI A. Psychosocial mechanisms of psychological health disparity in Japanese workers. Ind Health 2013; 51:472-481. [PMID: 23892903 PMCID: PMC4202732 DOI: 10.2486/indhealth.2013-0038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Accepted: 07/02/2013] [Indexed: 06/02/2023]
Abstract
Recent epidemiologic research has shown that people with higher socioeconomic status (SES) (e.g., educational attainment) have better psychological health than those with lower SES. However, the psychosocial mechanisms of underlying this relationship remain unclear. To fill this gap, the current study examines the mediating effects of job demands and job resources in the relationship between educational attainment and psychological distress. The hypothesized model was tested using large data sets from two different studies: a cross-sectional study of 9,652 Japanese employees from 12 workplaces (Study 1), and a longitudinal study of 1,957 Japanese employees (Study 2). Structural equation modeling revealed that (1) educational attainment was positively related to psychological distress through job demands, (2) educational attainment was negatively related to psychological distress through job resources, and (3) educational attainment was not directly related to psychological distress. These results suggest that educational attainment has an indirect effect, rather than a direct one, on psychological distress among workers; educational attainment had both a positive and a negative relationship to psychological distress through job demands and job resources, respectively.
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Affiliation(s)
- Akihito SHIMAZU
- Department of Mental Health, The University of Tokyo
Graduate School of Medicine, Japan
| | - Norito KAWAKAMI
- Department of Mental Health, The University of Tokyo
Graduate School of Medicine, Japan
| | - Kazumi KUBOTA
- Department of Mental Health, The University of Tokyo
Graduate School of Medicine, Japan
| | - Akiomi INOUE
- Department of Mental Health, Institute of Industrial
Ecological Sciences, University of Occupational and Environmental Health, Japan
| | - Sumiko KURIOKA
- Department of Health Policy and Management, University of
Occupational and Environmental Health, Japan
| | - Koichi MIYAKI
- Division of Clinical Epidemiology, Department of Clinical
Research and Informatics, National Center for Global Health and Medicine, Japan
| | | | - Akizumi TSUTSUMI
- Department of Public Health, Kitasato University School of
Medicine, Japan
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12
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ADACHI Y, TANAKA H, KUNITSUKA K, TAKAHASHI M, DOI Y, KAWAKAMI N, MINOWA M. Brief behavior therapy for sleep-habit improvement in a work place by correspondence. Sleep Biol Rhythms 2003. [DOI: 10.1046/j.1446-9235.2003.00022.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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14
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OGURA S, KIMURA S, KAWAKAMI N, FURUYA M, HOSOKAWA A, KOBAYASHI R, MASUKO S. [STUDIES ON THE USE OF VERINA AND NEUVITA FOR TINNITUS AURIUM]. Jibiinkoka 1965; 37:91-3. [PMID: 14287516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
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15
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KATSUMATA H, OKAZAKI S, KAWAKAMI N. [TREATMENT OF PERIPHERAL NERVE PARALYSIS (THE EFFECT OF DRUGS ON THE HEALING PROCESS)]. Nihon Seikeigeka Gakkai Zasshi 1964; 38:627-9. [PMID: 14217369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
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16
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MOROTOMI T, KATSUMATA H, OKAZAKI S, KAWAKAMI N. [ON THE USE OF CYTOCHROME C IN NEW FIELDS. USE WITH PARALYTIC DISEASES. (1)]. Sogo Rinsho 1964; 13:146-51. [PMID: 14109703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
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