Akizumi Tsutsumi

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The present study reviews empirical studies of a new occupational stress model of effort-reward imbalance at work to examine its validity as an occupational stress measure and the theory-based intervention approach to occupational stress reduction. The effort-reward imbalance model is valid for demonstrating a stressful work environment that reflects the(More)
BACKGROUND No prospective studies have examined the association between occupational stress according to the job demand-control model and the risk of stroke in Asian populations. METHODS We conducted a multicenter community-based prospective study of 6553 Japanese male and female workers. Occupational stress was evaluated using a Japanese version of the(More)
Associations between job characteristics defined by the Karasek's job demand-control model and health behaviors were investigated in a cross-sectional analysis of 6,759 Japanese rural workers. High psychological demands were associated with heavy smoking, exaggerated prevalence of alcohol drinking, and high work-related physical activity. Low job control(More)
OBJECTIVES The present study investigated the effort-reward imbalance (ERI) model-related biological markers of disease risks in Japanese workers of a recently downsized manufacturing corporation. METHODS A total of 441 workers was examined to find whether situational effort-reward imbalance or personal overcommitment was associated with hematological and(More)
OBJECTIVE To examine the prospective effects of psychosocial job characteristics evaluated with the Demand-Control-Support (DCS) and Effort-Reward Imbalance (ERI) models on insomnia. METHODS A prospective cohort study with a two-year observation was performed. The subjects were 1022 middle-aged (>or= 39 years) Japanese workers. The following associations(More)
Despite the overall decline in cigarette smoking prevalence in the US, social class inequalities in smoking are likely to persist, or even to widen. One possible reason for the increasing gap in smoking prevalence across social class could be our lack of understanding of causal mechanisms: in other words, what accounts for the social gradient in smoking(More)
The aims of the present study were to analyze the association between incident stroke, occupational class and stress and to examine whether the association is found in both men and women in a prospective study of Japanese male and female workers. A total of 3190 male and 3363 female Japanese community-dwelling workers aged 65 or under with no history of(More)
The model for effort-reward imbalance (ERI) at work, originally formulated by Siegrist’s group on European samples, has been receiving considerable attention in occupational health research because of its predictive power for adverse health outcomes . This model defines stressful experiences at work as an imbalance between high effort expended and low(More)
OBJECTIVE To explore the effect of participatory intervention for workplace improvement on mental health and job performance. METHODS Eleven assembly lines were randomly allocated to six intervention and five control lines (47 and 50 workers, respectively). The primary outcome was defined as the improvement in the following measures during the(More)
As job stress is now one of the biggest health-related problems in the workplace, several education programs for supervisors have been conducted to reduce job stress. We conducted a supervisor-based randomized controlled trial to evaluate the effects of an education program on their subordinates' psychological distress and job performance. The subjects were(More)