Table 2.

Medication regimen complexity predicting medication adherence

	b (SE b)	t	β
Block 1
Age	.24 (.16)	1.49	.09
Race	−7.5 (3.46)*	−2.17*	−.13*
Education	−.59 (.99)	−.59	−.04
NYHA class	−3.79 (2.01)±	−1.89±	−.04±
MSPSS	.32 (.10)**	3.26**	.19**
Charlson	−.49 (.83)	−.58	−.03
3MS	.21 (.24)	.88	.06
R2	.097
F	4.38***
Block 2
MRCI	−.11 (.12)	−.88	−.05
ΔR2	.002
ΔF	.77
Block 3
PHQ-9	−.62 (.36)±	−1.74±	−.1±
ΔR2	.01±
ΔF	3.01±
Block 4
Interaction	−.06 (.03)*	−2.17*	−.33*
ΔR2	.015*
ΔF	4.70*

NYHA New York Heart Association, MSPSS Multidimensional Scale of Perceived Social Support, 3MS Modified Mini-Mental Status Examination, PHQ-9 Patient Health Questionnaire-9, MRCI Medication Regimen Complexity Index total score; Interaction = cross product of PHQ-9 and MRCI

^±p = .08;

^*p < 0.05;

^**p < 0.01;

^***p < .001