Table 7

Variables significantly associated with non-adherence in a multivariate logistic regression analysis

Variables associated with non-adherenceOR (95% CI)
Factor 1 (unintentional) non-adherence (N=492)
 Age (per 1 year)0.96 (0.94 to 0.98)
 Female sex0.50 (0.29 to 0.82)
 Diabetes0.44 (0.23 to 0.85)
 Previous coronary artery bypass graft0.60 (0.40 to 0.90)
 Prescribed aspirin2.00 (1.05 to 3.85)
Specific concern about SPM1.08 (1.03 to 1.13)
Factor 2 (intentional) non-adherence (N=480)
 Age (per 1 year)0.96 (0.93 to 0.99)
 Number of prescribed medicines (per one drug)1.18 (1.07 to 1.31)
 Prescribed beta-blocker0.48 (0.25 to 0.90)
 Prescribed aspirin4.60 (1.25 to 16.96)
Specific necessity for SPM0.90 (0.82 to 0.99)
Specific concern about SPM1.16 (1.07 to 1.27)
 Issues with repeat prescriptions3.68 (1.75 to 7.74)
Overall non-adherence (N=484)
 Age (per 1 year)0.96 (0.94 to 0.98)
 Female sex0.56 (0.34 to 0.93)
 Prescribed aspirin2.22 (1.18 to 4.17)
Specific concern about SPM1.12 (1.07 to 1.18)
 Issues with repeat prescriptions2.48 (1.26 to 4.90)
  • The SPM specific concern and specific necessity is per unit of average score according to BMQ scale.

  • SPM, secondary prevention medicine.