Older Adults and Substance-Related Disorders: Trends and Associated Costs

Table 2

Primary substance of abuse comparisons between 2000 and 2009 cohorts.

	2000 (𝑛=545)		2009 (𝑛=1650)*
	𝑁	%	𝑁	%
Primary diagnosis
Stimulants (amphetamines and cocaine)	37	6.79	169	10.22
Cannabis	4	0.73	20	1.21
Opiates	246	45.14	766	46.34
Alcohol (ETOH)	137	25.14	402	24.32
Other (hallucinogens, sedatives, inhalants, PCP)	54	9.91	9	0.54
Other drug use and polysubstance dependence	67	12.29	287	17.37

 *Three individuals from the 2009 cohort were not assigned a diagnosis.