Table 2.

Study population characteristics and drug use (N = 45,593)

	Study population		Regular drugs Dispensed as MDD		Regular drugs Not dispensed as MDD		P.r.n drugs		Total number of drugs
	n	(%)	mean	(SD)	mean	(SD)	mean	(SD)	mean	(SD)
Total	45,593	(100)	6.3	(2.8)	2.2	(2.0)	2.4	(2.3)	10.9	(5.0)
Age
70–79	11,435	(25)	6.9	(3.1)	2.3	(2.1)	2.4	(2.4)	11.6	(5.5)
80–89	21,633	(47)	6.4	(2.8)	2.2	(1.9)	2.4	(2.3)	11.0	(4.9)
90+	12,525	(27)	5.7	(2.6)	2.1	(1.9)	2.4	(2.2)	10.3	(4.6)
Gender
Female	30,090	(66)	6.4	(2.9)	2.5	(2.3)	2.6	(1.9)	11.1	(5.1)
Male	15,503	(34)	6.2	(2.8)	2.2	(2.2)	2.2	(2.0)	10.7	(4.9)