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Table 4 Severity of dependence and secondary drugs of concern (SDOC)

From: Characteristics of individuals presenting to treatment for primary alcohol problems versus other drug problems in the Australian patient pathways study

  Total sample Alcohol All drugs other than alcohola Cannabinoids Opioids Stimulants
Unweighted sample N 781 378 402 120 110 161
SDS score for PDOC: Median, IQR 10, 8–13 10, 8–13 10, 8–12 11, 8–13 11, 9–13 10*, 7–11
Two or more DOCs (other than tobacco) (%) 46.0 34.3 56.0* 51.4* 68.5** 48.6*
Alcohol as an SDOC (%) 23.0 n.a. 23.0 24.3 26.9 17.5
Cannabis as an SDOC (%) 24.1 18.3 31.6* n.a. 26.9 35.9*
Any opioid as an SDOC (%) 10.3 10.3 10.2 16.3 n.a. 4.2
Any stimulant as an SDOC (%) 16.1 8.3 26.6* 21.4* 31.5* n.a.
Any benzodiazepine as an SDOC (%) 12.4 11.4 13.3 7.9 26.0* 7.0
Dailyb tobacco smoking (%) 71.0 60.6 80.2* 83.8* 77.8* 78.2*
  1. DOC drug of concern, SDOC secondary drug of concern, SDS severity of dependence scale, IQR inter-quartile range
  2. Effect size (ES) of pairwise tests relative to alcohol indicated by: *ES > .1, **ES > .3
  3. For analyses of specific substances as SDOC, participants with the substance as PDOC were excluded
  4. aDrugs combined includes cannabinoids, opioids, and stimulants, as well as benzodiazepines, GHB, and solvent/volatile inhalants
  5. bSmoked tobacco on the majority (i.e. 16–30) of the past 30 days