Skip to main content
. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Am J Addict. 2008;17(5):354–363. doi: 10.1080/10550490802269064

TABLE 3.

Mean number of the ten DSM-IV hallucinogen abuse or dependence symptoms endorsed by past-year hallucinogen users aged 18 and older, by category of diagnosis (unweighted N = 1,341)

Hallucinogen use disorder Adults
with abuse		 Adults with
subthreshold dependence		 Adults
with dependence
Type of disorder With
subthreshold
dependence		 Without
subthreshold
dependence		 Without
symptoms
of abuse		 With
symptoms
of abuse		 Without
symptoms
of abuse
Unweighted n 46 19 139 28 14
Mean number of 10 DSM-IV symptoms (SE)
  Overall 2.7 (0.18) 1.1 (0.08) 1.1 (0.03) 6.1 (0.39) 3.4 (0.21)
  MDMA users 2.9 (0.24) 1.0 (0.00) 1.1 (0.04) 6.4 (0.40) 3.6 (0.24)
  Other hallucinogen users 2.4 (0.18) 1.1 (0.15) 1.1 (0.04) 5.6 (0.54) 3.0 (0.00)

T test for MDMA users vs. other hallucinogen users: none was significant.

Abbreviation: SE = standard error.