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Quality of Life Research

, Volume 22, Issue 6, pp 1245–1253 | Cite as

Ten-year change in self-rated quality of life in a type 1 diabetes population: Wisconsin Epidemiologic Study of Diabetic Retinopathy

  • Flavio E. Hirai
  • James M. Tielsch
  • Barbara E. K. Klein
  • Ronald Klein
Article

Abstract

Purpose

To investigate a 10-year change of quality of life and associated factors in a population with type 1 diabetes.

Methods

The Medical Outcome Study Short Form-36 (SF-36) was administered in participants (n = 520) at the 1995–1996 and 2005–2007 examination phases of the Wisconsin Epidemiologic Study of Diabetic Retinopathy (WESDR). Physical (PCS) and mental (MCS) component summary scores were calculated. The associations between changes of quality of life and demographic, socioeconomic, and clinical factors were analyzed.

Results

PCS score decreased (p < 0.001) and MCS score increased (p < 0.001) after 10 years. The development of cardiovascular disease and the presence of limb amputation were associated with decrease in the PCS score. Those who were working and retired had increased MCS; those who were working and stopped had a decrease in the MCS score. Change in visual acuity and diabetic retinopathy status did not have a significant impact in health-related quality of life scores.

Conclusions

Our findings reinforce the necessity to make every attempt to decrease complications of diabetes in individuals with long-term type 1 diabetes in order to attenuate the diminished quality of life associated with those complications such as cardiovascular disease. Change in employment status, likely due to development of these complications, was also strongly associated with poorer quality of life and suggests the benefits of preventing or decreasing complications to keep people with type 1 diabetes in the workforce.

Keywords

Epidemiology Diabetes mellitus Quality of life Diabetic retinopathy 

Notes

Acknowledgments

The study was supported by the National Institutes of Health (Bethesda, MD) Grant No. EY06594 and EY016379 (R Klein, BEK Klein) and, in part, by Research to Prevent Blindness (R. Klein and BEK Klein, Senior Scientific Investigator Awards), New York (NY). The National Eye Institute provided funding for entire study including collection and analyses of data; RPB provided further additional support for data analyses. This research was also supported by the Mentor-based Post-doctoral Fellowship Award from the American Diabetes Association, Alexandria, VA (to R.K.).

Conflict of interest

The authors have no conflict of interest to disclose.

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Flavio E. Hirai
    • 1
    • 2
  • James M. Tielsch
    • 3
  • Barbara E. K. Klein
    • 4
  • Ronald Klein
    • 4
  1. 1.Department of Epidemiology, Bloomberg School of Public HealthJohns Hopkins UniversityBaltimoreUSA
  2. 2.Department of OphthalmologyFederal University of Sao PauloSao PauloBrazil
  3. 3.Department of International Health, Bloomberg School of Public HealthJohns Hopkins UniversityBaltimoreUSA
  4. 4.Department of Ophthalmology and Visual SciencesUniversity of Wisconsin-MadisonMadisonUSA

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