Table 3.

Factors associated with the MRCI (linear regression for the MRCI outcome).

	Simple			Multiple			Best AIC
Characteristic	Beta	95% CI	p-Value	Beta	95% CI	p-Value	Beta	95% CI1	p-Value
Age	0.10	−0.17, 0.36	0.476	−0.05	−0.18, 0.08	0.412
Sex	−1.3	−4.1, 1.6	0.382	0.41	−1.2, 2.1	0.621
Polypharmacy	26	24, 28	<0.001	21	19, 22	<0.001	21	20, 23	<0.001
Excessive polypharmacy	39	35, 43	<0.001	27	24, 29	<0.001	27	24, 29	<0.001
Chronic diseases	12	7.9, 16	<0.001	3.5	1.2, 5.8	0.003	3.6	1.5, 5.7	<0.001
Hypertension	8.3	5.6, 11	<0.001	0.28	−1.3, 1.8	0.723
Dyslipidemia	8.2	5.4, 11	<0.001	−0.32	−1.9, 1.2	0.686
Diabetes mellitus	12	8.4, 15	<0.001	1.1	−0.63, 2.8	0.214
High-risk medications	13	10, 16	<0.001	3.2	1.0, 5.3	0.004	2.9	1.1, 4.8	0.002

Abbreviations: CI, confidence interval; AIC, Akaike Information Criterion.