Table 1 Logistic regression models.

From: Key factors of the functional ability of older people to self-manage medications

Independent variables	Binary dependent variable I (high ability > 0.9 and low ability < 0.9)						Binary dependent variable II (high ability = 1.0 and low ability < 1.0)
	(1) Unadjusted values			(2) Adjusted values *^a			(1) Unadjusted values			(2) Adjusted values *^a
	OR	CI 95%	p	OR*	CI 95%	p	OR	CI 95%	p	OR*	CI 95%	p
Sex
♀	1	–	–				1	–	–
♂	1.13	0.60–2.12	0.72				0.78	0.39–1.56	0.48
Age^b (years)
65–69	1	–	–				1	–	–
70–74	1.96	0.81–4.78	0.14				2.14	0.91–5.06	0.08
75–79	5.67	2.44–13.14	< 0.001				3.85	1.66–8.91	0.002
80–84	3.37	1.32–8.58	0.01				6.00	1.98–18.19	0.002
≥ 85	7.93	2.35–26.73	0.001				8.50	1.76–41.06	0.01
Education level^c (years)
0	1	–	–	1	–	–	1	–	–	1	–	–
1–4	0.10	0.04–0.26	< 0.001	0.13	0.05–0.33	< 0.001	0.09	0.02–0.38	0.001	0.11	0.03–0.49	0.004
≥ 5	0.04	0.01–0.13	< 0.001	0.04	0.01–0.16	< 0.001	0.05	0.01–0.24	< 0.001	0.06	0.01–0.31	0.001
MMSE	0.70	0.62–0.79	< 0.001	0.72	0.63–0.81	< 0.001	0.71	0,61–0.83	< 0.001	0.73	0.62–0.86	< 0.001
CDT^d
CDT-1	0.73	0.66–0.81	< 0.001	0.74	0.67–0.82	< 0.001	0.77	0.69–0.86	< 0.001	0.81	0.72–0.90	< 0.001
CDT-2	0.94	0.93–0.96	< 0.001	0.94	0.93–0.96	< 0.001	0.95	0.94–0.97	< 0.001	0.96	0.94–0.98	< 0.001
CDT-3	0.76	0.70–0.83	< 0.001	0.77	0.70–0.85	< 0.001	0.79	0.72–0.87	< 0.001	0.83	0.75–0.92	< 0.001
Total CDT	0.95	0.94–0.96	< 0.001	0.95	0.93–0.97	< 0.001	0.96	0.95–0.97	< 0.001	0.96	0.95–0.98	< 0.001
IADL	0.92	0.86–0.98	0.01	0.95	0.88–1.03	0.20	0.91	0.84–0.99	0.02	0.94	0.85–1.03	0.19
Daily medication consumption^e	1.05	0.96–1.14	0.28	1.03	0.94–1.12	0.58	1.23	1.10–1.39	0.001	1.21	1.07–1.36	0.003
MAT	0.97	0.88–1.07	0.50	0.95	0.86–1.06	0.36	0.98	0.88–1.10	0.76	0.98	0.87–1.10	0.72
MRCI^f
A	0.99	0.88–1.11	0.84	0.99	0.88–1.12	0.87	1.09	0.94–1.27	0.24	1.09	0.93–1.28	0.27
B	1.02	0.96–1.08	0.55	1.01	0.95–1.07	0.86	1.14	1.05–1.24	0.002	1.13	1.03–1.23	0.01
C	0.99	0.93–1.07	0.92	0.99	0.92–1.07	0.79	1.10	1.00–1.20	0.05	1.09	0.99–1.20	0.08
Total	1.00	0.98–1.03	0.83	1.00	0.97–1.03	0.96	1.06	1.02–1.11	0.01	1.06	1.01–1.10	0.02

^aSex- and age-adjusted values.
^bAge reclassification.
^cEducation level reclassifications (years).
^dClock Drawing Test (CDT): CDT-1 (clock drawing), CDT-2 (time indication) and CDT-3 (hour reading).
^eDaily medication consumption corresponds to the number of regular medications.
^fMedication Regimen Complexity Index (MRCI): Section A (dosage form), Section B (dosage frequency) and Section C (additional instructions).

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Table 1 Logistic regression models.

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