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9990 · 3.2.2

Measuring non-adherence

**Measuring adherence** (3.2.2) — compare **methods** on validity, cost, and practicality. No single method is perfect; multi-method assessment improves accuracy.

Need to know

What you need to know

  • Accurate measurement is vital for evaluating treatment effectiveness and patient outcomes.
  • Non-adherence is a major public health issue, contributing to poor health and increased healthcare costs.
  • Measures are categorised as subjective (what patients say they do) and objective (physical evidence of behaviour).
  • No single method is perfect; a combination of measures is often recommended in research to provide a more valid picture.

Explanation

Measuring non-adherence

  1. Accurate measurement is vital for evaluating treatment effectiveness and patient outcomes.
  2. Non-adherence is a major public health issue, contributing to poor health and increased healthcare costs.
  3. Measures are categorised as subjective (what patients say they do) and objective (physical evidence of behaviour).
  4. No single method is perfect; a combination of measures is often recommended in research to provide a more valid picture.
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