Related Experiment Video
Updated: May 10, 2026

06:27
An Olfactory Preference Test for Measuring Olfactory Hedonic Biases in Mouse Models of Depression
Published on: July 11, 2025
The Occupational Depression Inventory performs well in Norway
Renzo Bianchi1,2, Ingvild Andersen3, Lars M Rimol4
1Department of Psychology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway. renzo.bianchi@ntnu.no.
Scientific Reports
|May 8, 2026
Summary
The Norwegian Occupational Depression Inventory (ODI) is a reliable tool for assessing job-related distress. It demonstrates strong validity and can help occupational health specialists identify and manage workplace depression.
Area of Science:
- Occupational health
- Psychometrics
- Mental health assessment
Background:
- Occupational depression is a growing concern in the workforce.
- Valid and reliable instruments are needed to assess job-related distress.
- The Occupational Depression Inventory (ODI) is a potential tool for this purpose.
Purpose of the Study:
- To examine the psychometric and structural properties of the Norwegian version of the Occupational Depression Inventory (ODI).
- To assess the validity and reliability of the ODI in a Norwegian working population.
- To estimate the prevalence of occupational depression in Norway.
Main Methods:
- The study utilized three independent samples of Norwegian employees.
- Psychometric analyses included unidimensionality, scalability, reliability, convergent and discriminant validity, and criterion validity.
- Measurement invariance was tested across samples, sexes, and age groups.
Main Results:
- The Norwegian ODI demonstrated essential unidimensionality, strong scalability, and high reliability.
- The ODI showed good convergent and discriminant validity against a measure of depressive symptoms.
- Occupational depression was linked to work addiction, antidepressant use, work motivation, workplace aggression, ostracism, sick leave, bullying, and socioeconomic optimism.
- Work-attributed depressive symptoms were strongly associated with turnover intention.
- Prevalence of occupational depression was estimated between 2.0% and 2.3% across samples.
Conclusions:
- The Norwegian version of the ODI is a psychometrically sound instrument for assessing job-related distress.
- Occupational health specialists can confidently use the ODI to evaluate workplace depression in the Norwegian working population.
- The findings support the ODI's utility in understanding and addressing occupational depression.
Related Concept Videos
Self-Report Tests of Personality
Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
Long-term Depression
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over time, all...
Calcium Ion Concentration Mechanism
If over time, all...
Long-term Depression
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Depression: 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,...