Table 3.

Prevalence of potent anticholinergic use in CFAS I and CFAS II, by drug class

Potent anticholinergic class	1991 CFAS I	2011 CFAS II
Urological	0.3 (0.2, 0.4)	2.8 (2.4, 3.2)
Antispasmodic	0.5 (0.3, 0.6)	0.3 (0.2, 0.5)
Antipsychotic	1.0 (0.8, 1.2)	0.9 (0.7, 1.1)
Antidepressant	4.0 (3.6, 4.5)	5.9 (5.4, 6.5)
Anxiolytic	N/A	0.2 (0.1, 0.3)
Parkinsonian	0.2 (0.2, 0.4)	0.1 (0.0, 0.2)
Antihistamine	0.2 (0.1, 0.3)	0.5 (0.3, 0.7)

Cell entries denote % prevalence (95% confidence intervals)

Abbreviations: CFAS Cognitive Function and Ageing Studies