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. 2005 Apr 8:4:4.
doi: 10.1186/1477-5751-4-4.

Does socioeconomic status affect mortality subsequent to hospital admission for community acquired pneumonia among older persons?

Linda Vrbova  1 , Muhammad Mamdani, Rahim Moineddin, Liisa Jaakimainen, Ross E G Upshur
Affiliations

Does socioeconomic status affect mortality subsequent to hospital admission for community acquired pneumonia among older persons?

Linda Vrbova et al. J Negat Results Biomed. .

Abstract

Background: Low socioeconomic status has been associated with increased morbidity and mortality for various health conditions. The purpose of this study was twofold: to examine the mortality experience of older persons admitted to hospital with community acquired pneumonia and to test the hypothesis of whether an association exists between socioeconomic status and mortality subsequent to hospital admission for community-acquired pneumonia.

Methods: A population based retrospective cohort study was conducted including all older persons patients admitted to Ontario hospitals with community acquired pneumonia between April 1995 and March 2001. The main outcome measures were 30 day and 1 year mortality subsequent to hospital admission for community-acquired pneumonia.

Results: Socioeconomic status for each patient was imputed from median neighbourhood income. Multivariate analyses were undertaken to adjust for age, sex, co-morbid illness, hospital and physician characteristics. The study sample consisted of 60,457 people. Increasing age, male gender and high co-morbidity increased the risk for mortality at 30 days and one year. Female gender and having a family physician as attending physician reduced mortality risk. The adjusted odds of death after 30-days for the quintiles compared to the lowest income quintile (quintile 1) were 1.02 (95% CI: 0.95-1.09) for quintile 2, 1.04 (95% CI: 0.97-1.12) for quintile 3, 1.01 (95% CI: 0.94-1.08) for quintile 4 and 1.03 (95% CI: 0.96-1.12) for the highest income quintile (quintile 5). For 1 year mortality, compared to the lowest income quintile the adjusted odds ratios were 1.01 (95% CI: 0.96-1.06) for quintile 2, 0.99 (95% CI: 0.94-1.04) for quintile 3, 0.99 (95% CI: 0.93-1.05) for quintile 4 and 1.03 (95% CI: 0.97-1.10) for the highest income quintile.

Conclusion: Socioeconomic status is not associated with mortality in the older persons from community-acquired pneumonia in Ontario, Canada.

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Figures

Figure 1
Figure 1
30 day mortality after initial admission for pneumonia, survival curves for social class quintiles from lowest (I) to highest (V)
Figure 2
Figure 2
1 year mortality after initial admission for pneumonia, survival curves for social class quintiles from lowest (I) to highest (V).
See this image and copyright information in PMC

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