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Background: Flourishing, defined as the coexistence of hedonic and eudaimonic well-being, is the most favorable end of the mental health spectrum. A growing body of evidence has demonstrated the association between flourishing mental health and favorable work-related outcomes. However, epidemiology of flourishing mental health is scarce in Japan. Moreover, the relationship between flourishing mental health and occupational stress has not been elaborated. Therefore, the aim of this study was to elucidate (1) the prevalence of flourishing mental health and (2) the association between flourishing mental health and occupational stress among Japanese workers., Methods: The present survey was conducted in from February to March 2017 via an anonymous, self-administered, and web-based questionnaire among workers in Tsukuba Science City, Japan. Mental Health Continuum Short Form was used to assess flourishing mental health. We performed binomial logistic regression analyses to calculate the adjusted odds ratios (AOR) and 95% confidence intervals (CI) of occupational stress for flourishing mental health, controlling for sociodemographic factors., Results: A total of 7012 respondents (4402 men, 2610 women) were analyzed. The overall prevalence of flourishing mental health among the respondents was 12.4%. Full-time (permanent) workers were less likely to be flourishing. Reward from work (AOR = 2.34, 95% CI = 2.04-2.68), support from colleagues and superiors (AOR = 1.67, 95% CI = 1.44-1.94), and workload (AOR = 1.19, 95% CI = 1.05-1.36) were positively associated with flourishing mental health, whereas mental workload (AOR = 0.65, 95% CI = 0.57-0.75) was inversely associated with flourishing mental health., Conclusions: The findings of the present study shed light on the association between flourishing mental health and occupational stress.

Objectives: The aim of this study was to examine potential differences of the associations between mental health and lifestyle factors across a wide range of age., Methods: In August/September 2011, data were collected from 4693 males (age 51.6 ± 19.5) and 5678 females (age 52.4 ± 19.4) living in Kanazawa, Japan. A cross-sectional community-based survey was conducted with self-administered questionnaire including the General Health Questionnaire (GHQ) 12-item version, sociodemographic, and lifestyle factors. Associations between the GHQ scores and other variables were examined using two-way analysis of variance (ANOVA) followed by multiple comparisons and logistic regression stratified by age and gender., Results: Multiple comparisons indicated that people aged 20-39 or 40-64 had higher GHQ scores than older aged. The two-way ANOVA revealed significant interaction between body mass index and age group, and between exercise and age group. Overweight or underweight males aged 40-64 had poorer mental health than those at normal weight. In the elderly, being underweight was significantly associated with poor mental health. There were no significant effects of exercise on mental health for young adults. The logistic regression showed significant negative effects of short-time sleep in adults., Conclusions: The associations between mental health and lifestyles differ across age groups. Further study is needed to reveal effects of aging on lifestyle and mental health with a longitudinal design., Competing Interests: The authors declare that they have no competing interests.

Objectives: This study examined the relationships among the support system for return to work, work rules about sick leave, and incidence of sick leave due to mental health failure., Methods: A questionnaire was distributed to 150 workplaces with a history of use of the occupational health promotion center of a certain prefecture. The questionnaire asked about the number and duration of sick leaves due to mental health failure, the support system for return to work, and work rules about sick leave., Results: A significant correlation between the number of permanent staff and maximum period of sick leave was found (r=0.489, p<0.001), as well as a significant correlation between the number of permanent staff and the period of monetary compensation during sick leave (r=0.315, p=0.031). In addition, in 9 workplaces with more than 1,000 permanent staff, a significant correlation between the period of monetary compensation period during sick leave and incidence of sick leave was found (r=0.670, p=0.048), as well as a significant correlation between the period of monetary compensation during sick leave and the average length of sick leave (r=0.866, p<0.001)., Conclusions: The results of this study suggest the possibility that monetary compensation is associated with the duration of sick leave due to mental health failure. Hereafter, to construct a support system for mental health, consideration of the effect of monetary compensation appears to be required.

Objectives: This study was designed to investigate how the interaction between the ability of medical residents (doctors in postgraduate training) to cope with stress and their working conditions might affect their level of job-related stress., Methods: A self-administered questionnaire was distributed to 549 first-year medical residents at 38 postgraduate education hospitals in Japan, 1-2 months after the start of clinical training. The questionnaires contained the 29-item Sense of Coherence (SOC) Scale, the Brief Scales for Job Stress (BSJS), the 12-item General Health Questionnaire (GHQ-12) and questions on basic conditions such as working hours. Sense of coherence is an important concept from the viewpoint of salutogenesis theory and influences stress recognition style. People with a strong SOC have a high ability to cope with stress., Results: The mean +/- standard deviation (SD) score on the SOC Scale was 134.5 +/- 20.5. All participants were classified into three groups according to their SOC Scale scores. Although the objective working conditions of the three groups were statistically similar, the group with the weakest SOC Scale score showed poorer mental health status (p < 0.05) and scored lower for 'reward from work' compared with the groups with stronger SOC scores (p < 0.05). The weaker SOC group also scored higher for 'mental workload' and 'problems in personal relationships' than the other two groups (p < 0.05). Moreover, the weak SOC group scored less for 'support from colleagues and superiors' than the strong SOC group (p < 0.05). A stepwise multiple regression analysis for GHQ-12 score was conducted (R(2) = 0.45). 'Sleep time', 'workload', 'mental workload' and 'problems in personal relationships' were positively correlated with GHQ-12 scores. 'Reward from work' was negatively correlated with GHQ-12 scores., Conclusions: Residents' mental health was associated not only with working conditions, but also with their attitudes towards those working conditions. Enhancing residents' sense of 'reward from work' might be important in reducing their reactions to stress.