Table 2.

Adult reported prescriptions for Schedule II stimulants 2013 and 2018

	2013				2018
	Number	95% CI		%	Number	95% CI		%
Sample size	1247				2336
All schedule II stimulants (weighted)	15 412 693	13 927 848	16 897 539		30 150 428	27 929 702	32 371 154
Amphetamine products	10 859 022	9 461 363	12 256 680	70.5	23 803 206	21 847 712	25 758 700	78.9
Amphetamine/dextroamphetamine	8 628 463	7 321 851	9 935 075	56	19 173 869	17 229 361	21 118 377	63.6
Lisdexamfetamine	2 230 558	1 672 254	2 788 863	14.5	4 629 337	3 888 062	5 370 612	15.4
Methylphenidate products	4 553 672	3 796 140	5 311 204	29.5	6 347 222	4 984 163	7 710 281	21.1
Methylphenidate	4 303 540	3 561 713	5 045 367	27.9	5 886 552	4 346 483	7 426 621	19.5
Dexmethylphenidate	250 132	0	534 579	1.6	460 670	166 583	754 756	1.5
Prescriptions per patient (mean, 95% CI)	6.7	6.1	7.4		7.3	6.8	7.8
Annual days supply (mean, 95% CI)	208	187	229		226	210	242