Related Experiment Video
Updated: Jun 5, 2026
07:57
A New Method for Inducing a Depression-Like Behavior in Rats
Published on: February 22, 2018
Three job-related stress models and depression: a population-based study
Jianli Wang1, Elizabeth Smailes, Jitender Sareen
1Department of Psychiatry, Faculty of Medicine, University of Calgary, Room 4D69, TRW Building, 3280 Hospital Dr. NW, Calgary, AB, T2N 4Z6, Canada. jlwang@ucalgary.ca
Social Psychiatry and Psychiatric Epidemiology
|January 15, 2011
Summary
Major depression affects 3.2% of the working population. Job strain, effort-reward imbalance, and work-family conflicts are linked to depression, highlighting the need for workplace mental health improvements.
Area of Science:
- Occupational Health
- Psychiatry
- Epidemiology
Background:
- Major depression is a significant public health concern.
- Workplace factors can influence mental health outcomes.
- Understanding the prevalence and predictors of depression in the workforce is crucial.
Purpose of the Study:
- To estimate the prevalence of major depression in a working population sample.
- To examine the associations between job strain, effort-reward imbalance, and family-work conflicts with major depression.
Main Methods:
- A random digit dialing survey of 4,302 employees aged 25-65 in Alberta.
- Data collected via telephone on job stress, effort-reward imbalance, work-family conflicts, and depression.
- Depression assessed using the Patient Health Questionnaire (PHQ-9).
Main Results:
- The 2-week prevalence of major depression was 3.2%; severe depression was 0.8%.
- Job strain, effort-reward imbalance, and work-family conflicts were strongly associated with depression scores.
- Effort-reward imbalance showed significant associations with depression in women and in participants with higher job strain.
Conclusions:
- Job strain, effort-reward imbalance, and work-family conflicts are key predictors of depression.
- These job-related stress models interact and are important for occupational health.
- Interventions targeting the work environment based on these models may improve employee mental health.
Related Concept Videos
01:30Stress and Mental Health
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...
01:27Depressive Disorders: Etiology
Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
01:20Psychological Responses to Stress
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
01:18Depression: Overview
Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
01:27Introduction to Stress and Lifestyle
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...
01:26Stress Prevention and Stress Management Techniques IV
Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...