Longitudinal associations of effort and reward at work with changes in cognitive function: evidence from a national study of U.S. workers

  • 0School of Nursing, University of California Los Angeles, Los Angeles, CA, 90095, USA.

Summary

This summary is machine-generated.

Workplace high reward is linked to better cognitive function in US workers. High reward, alone or with high effort, improved composite cognition, memory, and executive function over nine years.

Area Of Science

  • Occupational Health
  • Cognitive Science
  • Psychology

Background

  • Workplace psychosocial factors significantly impact employee well-being and cognitive health.
  • Understanding the long-term effects of workplace dynamics on cognitive function is crucial for public health.
  • The Midlife in the United States (MIDUS) study provides a valuable dataset for examining these associations over time.

Purpose Of The Study

  • To investigate the longitudinal relationship between workplace effort-reward balance and cognitive function changes in a US worker population.
  • To determine if specific combinations of workplace effort and reward influence cognitive trajectories.
  • To identify potential targets for workplace interventions aimed at preserving cognitive health.

Main Methods

  • Utilized data from the Midlife in the United States (MIDUS) study with a 9-year follow-up period.
  • Measured workplace effort and reward using validated scales at baseline.
  • Assessed cognitive function (composite cognition, episodic memory, executive functioning) using the Brief Test of Adult Cognition by Telephone (BTACT) at baseline and follow-up.
  • Employed multivariable linear regression analyses with generalized estimating equations (GEE) to analyze longitudinal associations, controlling for covariates.

Main Results

  • High workplace reward at baseline was significantly associated with improvements in composite cognition, episodic memory, and executive functioning over the 9-year follow-up.
  • The combination of high effort and high reward also predicted enhanced cognitive function across all measured domains.
  • Experiencing low effort and high reward was linked to better composite cognition and executive functioning.

Conclusions

  • Findings indicate a positive association between high workplace reward and improved cognitive function among US workers.
  • Further research with larger cohorts and longer follow-up periods is warranted to explore causal links and potential disease outcomes like dementia.
  • Workplace reward strategies may be a viable avenue for promoting cognitive health in the working population.

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