Table 2. Multivariable analysis of factors associated with cognitive impairment.

	Odds ratio	95% CI	p value
MMSE (model A)
Age (per year)	1.039	1.037–1.042	< 0.0001
Female sex	0.886	0.854–0.919	< 0.0001
Number of drugs (per drug)	0.971	0.966–0.976	< 0.0001
ACB total score (per ACB unit)	1.114	1.099–1.130	< 0.0001
dementia (model B)
Age	1.042	1.040–1.045	< 0.0001
Female sex	0.794	0.767–0.820	< 0.0001
Number of drugs	0.965	0.961–0.970	< 0.0001
ACB total score (per ACB unit)	1.159	1.144–1.173	< 0.0001

Values are given as the odds ratio with the 95% confidence intervals (CI).