Multidimensional workplace stressors differentially impact cognitive trajectories
Monica E Walters1, Kiana A Scambray1, Jordan D Palms1
1Department of Psychology, University of Michigan, Ann Arbor, Michigan, USA.
Summary
Workplace stress impacts cognitive decline and dementia risk. High-stress job profiles were linked to faster cognitive decline, particularly among Black individuals, highlighting the dementia exposome.
Area of Science:
- Neuroscience
- Occupational Health
- Gerontology
Background:
- Limited research exists on detailed occupational exposures within the dementia exposome.
- This study investigates multidimensional workplace stressors and their relationship with cognitive trajectories and racial disparities.
Purpose of the Study:
- To characterize patterns of workplace stressors.
- To examine the association between these stressor profiles and cognitive trajectories.
- To investigate racial differences in profile membership and their impact on cognition.
Main Methods:
- Utilized data from 704 participants in the Michigan Cognitive Aging Project.
- Linked lifetime occupations to 26 Occupational Information Network (O*NET) measured workplace stressors.
- Employed latent profile analysis and latent growth curve modeling to analyze stressor profiles, cognitive trajectories, and racial disparities.
Main Results:
- Identified five distinct workplace stressor profiles.
- Black participants were disproportionately represented in higher-stress profiles, an effect mediated by education.
- The profile characterized by low job control and limited stressors was associated with lower initial cognition, especially in Black participants.
- High emotional labor and job demands correlated with the most rapid cognitive decline.
Conclusions:
- Workplace stress is an under-recognized yet significant component of the dementia exposome.
- Occupational exposures warrant further investigation as modifiable factors in dementia prevention.
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