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Table 5 Spearman rank correlation between ABQ (and subscales), the modified AMRS score and the TTR

From: Validation of the Adherence Barriers Questionnaire – an instrument for identifying potential risk factors associated with medication-related non-adherence

  Modified adherence to refills and medications scale (ARMS) Time in therapeutic range (TTR)
N = 401 N = 371
ABQ 0.438* - 0.161***
Subscale 1 (intentional barriers) 0.430* - 0.127***
Subscale 2 (medication-/health care system-related barriers) 0.326* - 0.156**
Subscale 3 (unintentional barriers) 0.317* - 0.103***
  1. *p < 0.001 (2-tailed).
  2. **p < 0.01 (2-tailed).
  3. ***p < 0.05 (2-tailed).
  4. ABQ: Adherence Barriers Questionnaire, ARMS: Adherence to Refills and Medications scale, TTR: Time in Therapeutic Range.