Quality of Life Research

, Volume 23, Issue 1, pp 75–88 | Cite as

Impact of diagnosis of diabetes on health-related quality of life among high risk individuals: the Diabetes Prevention Program outcomes study

  • D. Marrero
  • Q. Pan
  • E. Barrett-Connor
  • M. de Groot
  • P. Zhang
  • C. Percy
  • H. Florez
  • R. Ackermann
  • M. Montez
  • R. R. Rubin
  • the DPPOS Research Group
Article

Abstract

Purpose

The purpose of this study is to assess if diagnosis of type 2 diabetes affected health-related quality of life (HRQoL) among participants in the Diabetes Prevention Program/Diabetes Prevention Program Outcome Study and changes with treatment or diabetes duration.

Methods

3,210 participants with pre-diabetes were randomized to metformin (MET), intensive lifestyle intervention (ILS), or placebo (PLB). HRQoL was assessed using the SF-36 including: (1) 8 SF-36 subscales; (2) the physical component (PCS) and mental component summary (MCS) scores; and (3) the SF-6D. The sample was categorized by diabetes free versus diagnosed. For diagnosed subgroup, mean scores in the diabetes-free period, at 6 months, 2, 4 and 6 years post-diagnosis, were compared.

Results

PCS and SF-6D scores declined in all participants in all treatment arms (P < .001). MCS scores did not change significantly in any treatment arm regardless of diagnosis. ILS participants reported a greater decrease in PCS scores at 6 months post-diagnosis (P < .001) and a more rapid decline immediately post-diagnosis in SF-6D scores (P = .003) than the MET or PLB arms. ILS participants reported a significant decrease in the social functioning subscale at 6 months (P < .001) and two years (P < .001) post-diagnosis.

Conclusions

Participants reported a decline in measures of overall health state (SF-6D) and overall physical HRQoL, whether or not they were diagnosed with diabetes during the study. There was no change in overall mental HRQoL. Participants in the ILS arm with diabetes reported a more significant decline in some HRQoL measures than those in the MET and PLB arms that developed diabetes.

Keywords

Diagnosis of diabetes  Health-related quality of life  Pre-diabetes  Type 2 diabetes mellitus  Prevention 

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • D. Marrero
    • 1
    • 2
  • Q. Pan
    • 2
  • E. Barrett-Connor
    • 3
  • M. de Groot
    • 1
  • P. Zhang
    • 4
  • C. Percy
    • 5
  • H. Florez
    • 6
  • R. Ackermann
    • 7
  • M. Montez
    • 8
  • R. R. Rubin
    • 9
  • the DPPOS Research Group
  1. 1.Indiana University School of MedicineIndianapolisUSA
  2. 2.DPP Coordinating Center, The Biostatistics CenterGeorge Washington UniversityRockvilleUSA
  3. 3.Department of Family MedicineUniversity of CaliforniaSan DiegoUSA
  4. 4.Centers for Disease Control and PreventionAtlantaUSA
  5. 5.Northern Navajo Medical CenterShiprockUSA
  6. 6.University of Miami Miller School of MedicineMiami VAHS GRECCUSA
  7. 7.Department of MedicineNorthwestern UniversityChicagoUSA
  8. 8.University of Texas Health Science CenterSan AntonioUSA
  9. 9.Departments of Medicine and PediatricsThe Johns Hopkins School of MedicineBaltimoreUSA

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