Related Experiment Video
Updated: Apr 3, 2026
11:13
The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test
Published on: November 19, 2015
14.7K
[Structural equation model analysis of relationship between occupational stress and work ability]
Biyun Xu1, Huifang Yang, Bingwei Chen
1Affiliated Drum, Tower Hospital of Nanjing University Medical School, Nanjing 210008, China. biyunxu@163.com
Wei Sheng Yan Jiu = Journal of Hygiene Research
|April 22, 2008
Summary
Occupational stress significantly impacts work ability. Adjusting stressors and improving coping mechanisms can enhance physical laborers
Area of Science:
- Occupational Health
- Psychology
- Sociology
Context:
- Investigates the complex relationship between occupational stress and work ability in a large worker cohort (n=2041).
- Utilizes validated instruments: Revised Occupational Stress Inventory (OSI-R) and Work Ability Index (WAI).
Purpose:
- To develop and analyze structural equation models (SEM) to identify key factors influencing work ability.
- To understand the interplay between various occupational stressors and an individual's capacity to work.
Summary:
- Key stressors negatively impacting work ability include role insufficiency, psychological strain, physical strain, and vocational strain.
- Positive influences on work ability encompass rational/cognitive factors, education, income, recreation, and self-care.
- Inverse correlations with work ability were observed for age, work tenure, role ambiguity, and physical environment.
Impact:
- Findings suggest that interventions targeting occupational stressors and maladjustment can improve work ability, particularly for physical laborers.
- Highlights the utility of SEM as a robust analytical tool in occupational medicine research.
- Provides a data-driven framework for enhancing workplace well-being and productivity.
Related Concept Videos
01:04Applications of Stress
764
Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
The...
The...
764
01:15Stress: General Loading Conditions
685
To grasp the intricacy of real-world conditions where multiple loads are applied simultaneously to a structure, one might visualize a section passing through a specific point within a body, aligned parallel to the xy plane. This section is subjected to various forces, including original loads, normal forces, and shearing forces.
The shearing force, possessing potential directionality within the plane of the section, is simplified into two component forces running parallel to the x and y axes....
The shearing force, possessing potential directionality within the plane of the section, is simplified into two component forces running parallel to the x and y axes....
685
01:23Components of Stress
637
Stress analysis under multiple loading conditions is intricate, necessitating a comprehensive grasp of normal and shearing stresses. Consider a small cube at point O, subjected to stress on all six faces, visible or not. Normal stress components σx, σy, σz act perpendicularly to the x, y, and z axes. Shearing stress components τxy and τxz are exerted on faces perpendicular to these axes.
Interestingly, the hidden cube faces also experience these stresses, equal and...
Interestingly, the hidden cube faces also experience these stresses, equal and...
637
01:21General State of Stress
835
The general state of stress within a material can be accurately depicted using a stress tensor. This tensor encapsulates the internal forces distributed within a material subjected to external forces or deformations.
Specifically, consider a tetrahedral element where one face, labeled XYZ, is perpendicular to the line OA, and the remaining faces align with the coordinate axes with point O as the origin. At any point, such as point O, the stress tensor can be used to determine the stress...
Specifically, consider a tetrahedral element where one face, labeled XYZ, is perpendicular to the line OA, and the remaining faces align with the coordinate axes with point O as the origin. At any point, such as point O, the stress tensor can be used to determine the stress...
835
01:27Introduction to Stress and Lifestyle
814
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
814
01:30Stress and Mental Health
1.2K
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
1.2K