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Related Experiment Video

Updated: May 28, 2026

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

Mortality risk associated with disability: a population-based record linkage study.

Istvan M Majer¹, Wilma J Nusselder, Johan P Mackenbach

¹Department of Public Health, Erasmus MC, Rotterdam, The Netherlands. i.majer@erasmusmc.nl

American Journal of Public Health

|October 25, 2011

Summary

This summary is machine-generated.

Disability significantly increases mortality risk. While lifestyle and chronic diseases explain some of this risk for mild disability, severe disabilities may independently impact longevity.

Related Experiment Videos

Last Updated: May 28, 2026

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

Area of Science:

Public Health
Epidemiology
Gerontology

Background:

Disability is a growing public health concern, particularly among aging populations.
Understanding the link between disability and mortality is crucial for effective health interventions.
Risk factors associated with disability require further investigation to mitigate mortality outcomes.

Purpose of the Study:

To assess the association between disability and mortality.
To quantify the impact of disability-associated risk factors on mortality.
To investigate the independent effect of severe disabilities on mortality.

Main Methods:

Utilized linked data from Dutch health surveys and population registries.
Employed Cox regression models to estimate hazard ratios.
Analyzed disability in activities of daily living, mobility, and mild disability.

Main Results:

Men aged 55 with disability in activities of daily living, mobility, or mild disability faced significantly higher mortality risks (HRs 7.85, 5.21, 1.87 respectively).
Individuals with disability in activities of daily living and mobility experienced a 10-year reduction in life expectancy.
Six years of this life expectancy reduction were attributable to lifestyle, sociodemographics, and chronic diseases.

Conclusions:

Disabled individuals exhibit a higher risk of mortality compared to non-disabled individuals.
While mild disability's mortality risk is explained by known factors, severe disabilities may have an independent effect.
Further research is needed to elucidate the independent contribution of severe disabilities to mortality risk.