Benzodiazepine prescription for patients in treatment for drug use disorders: a nationwide cohort study in Denmark, 2000–2010

Table 3 Prescription of other addictive drugs and psychiatric treatment for patients in the first year after admission into treatment for DUDs

	No prescription of benzodiazepines 1 year after admission		Prescription of benzodiazepines 1 year after admission in moderate-high doses <584 DDD^a		Prescription of benzodiazepines 1 year after admission in very high doses ≥584 DDD^a		p value
	N	(%)	N	(%)	N	(%)
Number of individuals	24498		6528		2177
Prescription of other drugs 1 year after admission
Opioid analgesics	1677	6.9	1323	20.3	668	30.7	<0.001
Opioid maintenance medication (methadone, buprenorphine)	2903	11.9	2271	34.8	1238	56.9	<0.001
Z-hypnotics	1489	6.1	1444	22.1	334	15.3	<0.001
Psychiatric treatment received in 1 year after admission^b	3791	15.5	1825	28.0	431	19.8	<0.001

Abbreviations: DUDs, drug use disorders; DDD, Defined Daily Dose
^aIntake of 1 DDD daily of benzodiazepines in a 1 year period results in a total intake of 365 DDD
^bInformation obtained from the Danish Psychiatric Central Research Register