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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Psychopharmacology (Berl). 2019 Mar 29;236(9):2641–2652. doi: 10.1007/s00213-019-05234-y

Table 1.

Demographics and Substance Use Variables

Mean SD IQR
Age 34 8 29 to 37
Female 63.90%
White 89.20%
College 51.80%
Income (USD) 43000 28000 20k to 70k
Substance Use
Past Month Opioid Use Days 7.6 9.5 0 to 12
Risky Route of Administration 26.50%
Past Month Cannabis Use Days 15 12.6 1 to 30
Grams Cannabis/Week 7.5 9.5 2 to 10
Treatment History
Current Treatment-Seeking 8.40%
Treatment Plans in Next Year 19.30%
DSM-5 SUD
OUD 67.50%
OUD Criteria Endorsed 4.9 4 1 to 8
CUD 41.00%
CUD Criteria Endorsed 1.7 2.1 0 to 2
AUD 59.00%
AUD Criteria Endorsed 4 3.9 0 to 7
Pain
Average Pain (0–10) 4.6 2.4 3 to 6
Pain Effect on Daily Life (0–10) 4.1 2.8 1.6 to 6.3
Opioid Relief of Pain (0–100) 55.1 29.6 30 to 79
Opioid Demand
Intensity (Q0) 1.14 0.55 0.70 to 1.49
Elasticity (α) −2.33 0.58 −2.72 to −1.95
Pmax 0.62 0.51 0.40 to 0.95
Omax 1.39 0.53 1.02 to 1.78
Breakpoint 0.9 0.45 0.70 to 1.32
No Breakpoint Reached 33.70%
Cannabis Demanda
Intensity (Q0) 1.57 0.57 1.16 to 2.05
Elasticity (α) −2.14 0.52 −2.47 to −1.79
Pmax 0.19 0.56 −0.30 to 0.50
Omax 1.21 0.51 0.89 to 1.60
Breakpoint 0.6 0.55 0.18 to 1.18
No Breakpoint Reached 23.00%
Delay Discounting Rates (k)a
Money −2.08 0.69 −2.48 to −1.63
Opioid −1.65 0.79 −2.17 to −1.08
Cannabis −1.69 0.98 −2.43 to −1.23

Note. SUD= substance use disorder; OUD = opioid use disorder; CUD = cannabis use disorder; AUD = alcohol use disorder; Risky Route of Administration = preferred use of intranasal, smoked, or injection administration.

a

Discounting and demand variables were log-transformed prior to analysis and are presented in log values