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Patient Time Costs Associated with Sensor-Augmented Insulin Pump Therapy for Type 1 Diabetes

Author

Listed:
  • Shital Kamble
  • Kevin P. Weinfurt
  • Kevin A. Schulman
  • Shelby D. Reed

Abstract

Background . Sensor-augmented pump therapy (SAPT) leads to lower glycated hemoglobin levels than multiple daily injections of insulin (MDI) in patients with type 1 diabetes. Patient time and costs associated with SAPT are not known. Objective . We compared time spent on diabetes-related care, changes in time, and associated patient time costs between patients randomly assigned to SAPT or MDI. Design, Setting, and Participants . During a 52-week clinical trial, participants aged 7 to 70 years (n = 483) reported total time per week spent on diabetes-related care. Measurements . Patient time, including comparisons during pump initiation, 52-week patient time costs, and changes in weekly time estimates after pump initiation. Results . At baseline, patients in the MDI group reported spending an average of 4.0 hours per week on diabetes-related care. During the pump initiation period (weeks 1–7), SAPT patients spent 1.9 hours more per week than MDI patients (95% confidence interval [CI], 1.2–2.6). After the initiation period (weeks 8–52), SAPT patients spent 1 hour more per week (95% CI, 0.4–1.7) than MDI patients (i.e., 4.4 v. 3.4 hours); patients in both groups spent progressively less time on diabetes-related care by 1.2 minutes per week (95% CI, −1.7 to −0.7). Overall, mean time costs per person were $4600 with the SAPT group and $3523 with the MDI group (difference, $1077; 95% CI, $491–$1638). Limitations . Time spent on specific activities was not collected, and the estimates do not explicitly account for caregiver time associated with diabetes care activities. Conclusions . Patients receiving SAPT v. MDI spent approximately 2 hours more per week on diabetes-related care during pump initiation and 1 hour more per week thereafter, resulting in higher patient time costs.

Suggested Citation

  • Shital Kamble & Kevin P. Weinfurt & Kevin A. Schulman & Shelby D. Reed, 2013. "Patient Time Costs Associated with Sensor-Augmented Insulin Pump Therapy for Type 1 Diabetes," Medical Decision Making, , vol. 33(2), pages 215-224, February.
    • Handle: RePEc:sae:medema:v:33:y:2013:i:2:p:215-224
    DOI: 10.1177/0272989X12464824
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    References listed on IDEAS

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    1. Susan L. Ettner & Betsy L. Cadwell & Louise B. Russell & Arleen Brown & Andrew J. Karter & Monika Safford & Carol Mangione & Gloria Beckles & William H. Herman & Theodore J. Thompson & and The TRIAD S, 2009. "Investing time in health: do socioeconomically disadvantaged patients spend more or less extra time on diabetes self‐care?," Health Economics, John Wiley & Sons, Ltd., vol. 18(6), pages 645-663, June.
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