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A cost-effectiveness analysis of the Prediabetes Intervention Package (PIP) in primary care: a New Zealand pilot

Deborah Connor1, Kirsten Coppell2, Andrew Gray3

  • 1Immediate Past President, Diabetes New Zealand, Wellington.

The New Zealand Medical Journal
|October 25, 2019
PubMed

Insights

The Prediabetes Intervention Package (PIP) is a cost-effective lifestyle program for weight loss in prediabetes patients. This nurse-led intervention helps prevent progression to type 2 diabetes.

Area of Science:

  • Public Health
  • Health Economics
  • Preventive Medicine

Background:

  • Prediabetes poses a significant risk for developing type 2 diabetes.
  • Lifestyle interventions are crucial for managing prediabetes and preventing disease progression.
  • Primary care settings offer opportunities for scalable health interventions.

Purpose of the Study:

  • To evaluate the cost-effectiveness of the Prediabetes Intervention Package (PIP).
  • To assess the PIP's effectiveness in promoting weight loss among individuals with prediabetes.
  • To determine the intervention's potential to prevent or delay the onset of type 2 diabetes.

Main Methods:

  • A cost-effectiveness analysis was performed from a health funder perspective.
  • Data were collected over six months, with missing data imputed using multiple imputation.
  • Intention-to-treat principles were applied to calculate weight change; three cost scenarios were modeled.

Main Results:

  • The PIP intervention resulted in a statistically significant median weight loss of 1.87kg at six months.
  • The incremental cost-effectiveness ratio (ICER) was NZ$170.90 per kilogram of weight loss.
  • Lower-cost scenarios showed ICERs ranging from NZ$95.33 to NZ$120.74 per kilogram of weight loss.

Conclusions:

  • The primary care nurse-delivered PIP is a cost-effective strategy for weight loss in prediabetes.
  • The intervention shows promise in preventing or delaying the progression to type 2 diabetes.
  • PIP represents a valuable public health tool for managing prediabetes in primary care settings.
Abstract

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