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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Drug Alcohol Depend. 2015 May 11;152:32–38. doi: 10.1016/j.drugalcdep.2015.04.025

Table 4.

Indices of Demand as a Function of Marijuana Dependence Symptom Count

Metric 0 Dependence Symptoms (n=39) 1+ Dependence Symptoms (n=60) p
Mean SEM Mean SEM
Elasticity .055 .007 .038 .005 .041*
Intensity 16.180 3.470 28.600 3.984 .021*
Omax 11.962 2.402 18.833 3.562 .113
Pmax 2.167 .328 2.417 .273 .562
Breakpoint 3.590 .470 4.658 .394 .087
a

Mean and SEM presented for elasticity are non-transformed values.