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Determinants of work ability and its predictive value for disability
S M Alavinia1, A G E M de Boer, J C van Duivenbooden
1Department of Public Health, University Medical Center Rotterdam, Erasmus MC, The Netherlands.
Occupational Medicine (Oxford, England)
|December 17, 2008
Summary
A worker's work ability significantly predicts receiving a disability pension. Maintaining good work ability is crucial for sustained labor participation and preventing early retirement.
Area of Science:
- Occupational health
- Gerontology
- Sociology of work
Background:
- Prolonging working life necessitates maintaining workers' capacity to handle physical and psychosocial job demands.
- Assessing factors influencing work ability is vital for worker retention and well-being.
Purpose of the Study:
- To analyze how work-related factors and individual characteristics impact work ability.
- To determine the predictive value of work ability for receiving a work-related disability pension.
Main Methods:
- A longitudinal study of 850 construction workers (aged 40+) over 23 months.
- Work ability was measured using the Work Ability Index (WAI).
- Regression analyses (linear and Cox) assessed associations and predictive values for disability (receiving a pension).
Main Results:
- Work-related factors correlated with lower baseline work ability but had limited predictive power for future disability.
- Moderate and poor work ability at baseline showed high hazard ratios (8 and 32, respectively) for disability.
- All WAI scales predicted future disability, with job demands and current work ability being most influential.
Conclusions:
- Poor or moderate work ability strongly predicts disability pension receipt.
- Preventive strategies should focus on balancing work performance and health to maintain labor participation.
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