Table 1.
Baseline Participant Characteristics
| Participant Group | |||||
|---|---|---|---|---|---|
| TEC (n=19) | PTSD (n=19) | PTSD+MJ (n=20) | TEC+MJ (n=14) | p-value | |
|
Demographics | |||||
| Age | 28.6 (6.1) | 27.7 (9.5) | 28.9 (6.7) | 35.6 (12.6) | 0.06 |
| Sex (% Male, n) | 15.8%, 3 | 5.3%, 1 | 15.0%, 3 | 21.4%, 3 | 0.59 |
| Race (%, n) | 0.13 | ||||
| White | 63.2%, 12 | 73.7%, 14 | 80.0%, 16 | 71.4%, 10 | |
| Black | 10.5%, 2 | 21.1%, 4 | 15.0%, 3 | 14.3%, 2 | |
| Other | 26.3%, 5 | 5.3%, 1 | 5.0%, 1 | 14.3%, 2 | |
| Ethnicity (% Hispanic, n) | 10.5%, 2 | 0.0%, 0 | 10.0%, 2 | 7.1%, 1 | 0.91 |
| Years of Education | 16.5 (1.7) | 16.0 (2.0) | 15.3 (1.6) | 17.5 (4.0) | 0.06 |
| WTAR Standard Score | 115.3 (8.7) | 116.8 (8.2) | 116.3 (8.2) | 118.6 (8.4) | 0.74 |
|
Cannabis Use Characteristics | |||||
| Age of Initiation | -- | -- | 19.5 (5.6) | 20.1 (6.8) | 0.94 |
| Frequency of Use (Days per Week) | -- | -- | 5.9 (1.3) | 3.7 (2.1) | 0.001 |
| Frequency of Use (Times per Day) | -- | -- | 1.7 (0.8) | 1.3 (0.5) | 0.08 |
| Frequency of Use (Times per Week) | -- | -- | 10.8 (6.4) | 4.8 (3.4) | 0.003 |
| CUDIT | 0.6 (1.2) | 0.8 (1.6) | 12.1 (5.6) | 7.1 (2.5) | 0.004 |
|
Alcohol Use Characteristics | |||||
| Frequency of Use (Times per Week) | 1.2 (1.1) | 1.1 (1.6) | 1.5 (1.4) | 1.9 (1.9) | 0.53 |
| AUDIT | 3.1 (1.8) | 4.4 (3.3) | 6.1 (4.5) | 4.2 (2.6) | 0.19 |
|
Psychiatric Characteristics | |||||
| Age of Trauma | 19.5 (8.7) | 16.5 (6.7) | 16.8 (8.9) | 14.6 (10.2) | 0.43 |
| Years Since Trauma Ended | 9.1 (8.4) | 11.2 (12.9) | 12.6 (13.1) | 16.2 (13.7) | 0.46 |
| PCL-5 Total | 8.0 (4.8) | 43.8 (12.8) | 49.9 (13.7) | 6.8 (6.5)§ | 0.86 |
Note. All values are means and standard deviations at screening unless otherwise noted. For cannabis use characteristics, p-values from comparisons between the TEC+MJ and PTSD+MJ groups only. For PCL-5 total, p-values come from comparisons between the PTSD and PTSD+MJ groups only.
§
PCL scores are missing for 3 TEC+MJ participants
Abbreviations: AUDIT, Alcohol Use Disorders Identification Test; CUDIT, Cannabis Use Disorder Identification Test; PCL-5, PTSD Checklist for DSM-5; PTSD, Post-Traumatic Stress Disorder; WTAR, Wechsler Test of Adult Reading.