Table 3

Regression analysis for the combined adherence z-score

	B	SE B	β	95% CI for B
	B	SE B	β	Lower bound	Upper bound
Step 1
(Constant)	−0.860	0.270		−1.395	−0.325
Age	0.015	0.005	0.293*	0.005	0.024
Channelopathy vs cardiomyopathy	0.123	0.159	0.073	−0.192	0.439
Step 2
(Constant)	−2.730	0.509		−3.738	−1.721
Age	0.007	0.004	0.139	−0.002	0.016
Channelopathy vs cardiomyopathy	0.033	0.142	0.020	−0.248	0.314
BMQ–necessity	0.039	0.015	0.236*	0.011	0.068
BMQ–concern	−0.014	0.017	−0.070	−0.047	0.019
MASES-R	0.586	0.132	0.430†	0.324	0.848
BIPQ-treatment control	−0.010	0.031	−0.028	−0.071	0.052
BIPQ-coherence	−0.008	0.031	−0.272	−0.070	0.053

*p<0.01, †p<0.001.
BIPQ, Brief Illness Perception Questionnaire; BMQ, Beliefs about Medicines Questionnaire; MASES-R, Medication Adherence Self-Efficacy Scale-Revised.