Abstract
demand for medical certification (% participation) vs. yearly certification cost ($10–150), # physicians visited to get certified (1–15), and delay until getting card (0.5–26 wk). All results reported are significant (p 270 times) vs. moderate (90–270) or infrequent ( 50 yr (L= .55, .36, .29 oz/day). Certified patients have the lowest MJ demand intensity. Patients with slight or moderate pain severity have higher MJ demand intensity than patients with no pain or severe pain. Certification demand is higher for patients with severe pain (UP= card cost, delay until certification), opioid use (UP= card cost, #physicians), and frequentMJ use (UP=#physicians).MJ diversion ismost likely amongpatientswho report cocaineuse. Psychiatric andother medical factors are not related toMJ use, certification, or diversion. Conclusions: MJ use is price-elastic and modulated by MJ-use frequency, age and pain. Certified patients exhibit lower demand. Patients with severe pain, opioid use and frequent MJ use exhibit higher certification demand. MJ diversion potential is related to cocaine use. This knowledge may inform clinical and policy decisions. Financial support: NIH R01DA032678, Joe Young Sr./Helene Lycaki Funds (State of Michigan), Detroit Wayne Mental Health Authority.
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