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. Author manuscript; available in PMC: 2023 Dec 1.
Published in final edited form as: Exp Clin Psychopharmacol. 2021 Jun 7;30(6):918–927. doi: 10.1037/pha0000501

Table 1.

Sample and Group Characteristics

Demographic and Behavioral Economic Variables Overall ERT EFT DS- EFT p






Age (M, SD) 41.0 (13) 42.7 (14) 40.7 (12) 39.2 (14) .58
Ready to Change Cann (1–10; M, SD) 2.4 (1.8) 2.5 (1.7) 2.3 (1.9) 2.2 (2.0) .84
Delay Discounting (Ln (k); M, SD) −4.4 (1.5) −4.4 (1.8) −4.1 (1.4) −4.6 (1.2) .58
Cann Demand Elasticity (a; M, SD) .07 (.10) .06 (.09) .06 (.10) .08 (.11) .78
Cann Demand Intensity (Q0; M, SD) 24 (27) 18.9 (20) 34.9 (35) 18.8 (25) .04
Gender (n, %) .56
Female 35 (39) 14 (40) 8 (31) 13 (45)
Level of Education (n, %) .33
No College Degree 62 (69) 21 (60) 20 (77) 21 (72)
Employment (n, %) .61
Full-time 53 (59) 18 (51) 17 (65) 18 (62)
Part-time 11 (12) 3 (9) 4 (15) 4 (14)
Retired/Disabled 16 (18) 8 (23) 4 (15) 4 (14)
Unemployed 10 (11) 6 (17) 1 (4) 3 (10)
Substance-Related Variables

Cannabis
  Readiness to Change (1–10; M, SD) 2.4 (1.8) 2.5 (1.7) 2.3 (1.9) 2.2 (2.0) .84
  CUD (no/yes) 40 (44) 18 (51) 11 (42) 11 (38) .54
Past Week (M, SD)
  Days of Use 5.4 (2.1) 5.2 (2.2) 5.5 (2.0) 5.6 (2.1) .75
  Cannabis Grams 17.6 (15) 16.3 (14) 17.2 (14) 19.7 (17) .66
Past 30 Days (Mdn)
  Days of Use 26–29 26–29 20–25 All 30 .84
  Times/Day 2 3 2 2 .75
Alcohol
Past Week (M, SD)
  Alcohol Days 2.1 (2.1) 1.7 (1.8) 2.0 (1.9) 2.7 (2.4) .18
  Alcoholic Drinks 6.7 (9.0) 6.5 (10) 5.9 (6.7) 7.8 (9.4) .74
Past 30 Days (Mdn)
  Days of Use 3–5 3–5 3–5 6–9 .07
  Drinks/Day 2 1 2 3 .64
Nicotine
Past Week (M, SD)
  Tobacco Days 5.0 (3.0) 4.9 (3.0) 5.2 (2.9) 4.9 (3.1) .90
  Tobacco Times 27.6 (20) 27.6 (21) 27.5 (20) 27.5 (21) 1.0
Past Month (Mdn)
  Days of Use All 30 All 30 All 30 All 30 .99
  Times/Day 5 5 5 5 .95

Note: Cannabis Use Disorder is abbreviated by “CUD”, Cannabis is abbreviated by “Cann”, Median is abbreviated by “Mdn”, the mean is abbreviated by “M”, and the standard deviation is abbreviated by “SD.”