Table 2

Correlation of baseline self-reported adherence (MMAS) versus directly observed assessment

NP-reported
AdherentNot adherentκ coefficientCIp Value*
Oral†205 (88.0%)28 (12.0%)NANANA
Subcutaneous300 (79.4%)78 (20.6%)NANANA
Total338 (78.6%)92 (21.4%)NANANA
 Morisky adherent228330.240.15–0.33<0.0001
 Morisky not adherent11059
  • *Two-sided Pr |Z| Test of H0: κ.

  • †Oral medications are associated with higher rates of adherence as compared with subcutaneous medications (χ2<6.88; p=0.009).

  • MMAS, Morisky Medication Adherence Scale; NA, not applicable; NP, nurse practitioner.