Work conditions characterized by uncertainty and ambiguity are potential stressors for employees. One such stressor is job insecurity. This longitudinal study of 207 automobile manufacturing workers indicates that chronic job insecurity is predictive of changes over time in both job satisfaction and physical symptoms. Extended periods of job insecurity decrease job satisfaction and increase physical symptomatology, over and above the effects of job insecurity at any single point in time. These results indicate that job insecurity acts as a chronic stressor whose effects become more potent as the time of exposure increases. Worksite health professionals should develop strategies for reducing the impact of job insecurity on employee well-being, particularly in industries where employment opportunities are declining.
Perceived social connectedness may be relatively more important to the health and well-being of older adults than the perceived availability of social support. Efforts to enhance older adults' social relationships can be focused on developing friends and companions, allowing them to feel socially engaged in society.
The goal of occupational safety and health intervention effectiveness research is to determine whether specific interventions work to prevent work-related injury and illness. But that is not the whole story. It is also important that the development and implementation of the intervention be evaluated. All three phases (development, implementation, and effectiveness) are central to a model of intervention research proposed by the National Occupational Research Agenda Intervention Effectiveness Research team. Areas for future research are also presented.
Environmental variability at work was associated with eye symptoms and eye symptoms demonstrated a significant impact on quality of life and physical symptoms.
The authors present an overarching conceptual model of occupational stress, safety, and health, incorporating multiple factors from diverse disciplines. They examine specific implications of the model for the development of prevention interventions (e.g., context-specific interventions and primary, secondary, and tertiary prevention). They review prevention interventions and describe and analyze 4 case studies that address exposure to environmental, ergonomic, and psychosocial stressors and a combination of physical-environmental and psychosocial stressors. The authors examine lessons learned from these interventions in light of the conceptual model (e.g., role of top management and integrating research and intervention).
Recently there has been an increase in the different types of strategies used in health education interventions, including an emphasis on broadening programs focused on individual behavior change to include larger units of practice. There has also been an increasing critique of the traditional physical science paradigm for evaluating the multiple dimensions inherent in many interventions. Additionally, there is a growing recognition of the importance of involving multiple stakeholders in designing, implementing, and evaluating interventions. Each of these factors carries specific evaluation challenges. With the overall aim of strengthening the evaluation of health education programs, this article aims to (a) present conceptual and technical design issues and options, (b) describe different approaches to evaluation, (c) highlight evaluation approaches that have been effective, (d) critique the limitations of traditional evaluation approaches, (e) examine promising approaches and implications for future evaluations, and (f) provide recommendations for evaluation designs, data collection methods, roles, responsibilities, and principles for evaluating interventions.
A potential pathway between psychosocial stress and spine loading has been identified that may explain how psychosocial stress increases risk of low back disorders. Psychosocially stressful environments solicited more of a coactivity response in people with certain personality traits, making them more susceptible to spine loading increases and suspected low back disorder risk.
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