Table 1.
Summary of participant baseline socio-demographic characteristics and baseline drug use
| Adolescent (n = 24) | Adult (n = 24) | |
|---|---|---|
| Gender | ||
| Female | 12 (50.0%) | 12 (50.0%) |
| Male | 12 (50.0%) | 12 (50.0%) |
| Age (years) | 17.17 (0.43) | 27.77 (1.04)* |
| Ethnicity | ||
| White | 17 (70.8%) | 18 (75.0%) |
| Mixed | 4 (16.7%) | 1 (4.2%) |
| Asian | 1 (4.2%) | 3 (12.5%) |
| Black | 0 (0%) | 2 (8.3%) |
| Other | 1 (4.2%) | 0 (0%) |
| Prefer not to say | 1 (4.2%) | 0 (0%) |
| Adjusted WTAR Score | 110.96 (12.46) | 117.83 (6.12)* |
| SES | ||
| Mother’s education below undergraduate degree | 8 (33.3%) | 8 (33.3%) |
| Mother’s education undergraduate degree or above | 16 (66.7%) | 16 (66.7%) |
| BDI | 10.38 (8.55) | 5.29 (6.45)* |
| BAI | 10.42 (8.15) | 6 (4.92)* |
| CTQ-25 | 35.74 (9.29) (n = 23) | 37 (10.7) |
| Short-UPPS-P | 48.17 (7.51) | 42.75 (8.87)* |
| Alcohol use frequency (days/week) | 0.56 (0.62) | 2.16 (1.7)*** |
| AUDIT | 5.88 (5.39) | 7.71 (4.59) |
| Cigarette use frequency (days/week) | 1.6 (2.25) | 0.6 (1.3) |
| Other illicit drug use frequency (days/month) | 0.46 (0.83) | 0.33 (0.87) |
| Other illicit drugNo | 22 (91.7%) | 22 (91.7%) |
| Use: monthly useYes | 2 (8.3%) | 2 (8.3%) |
| Cannabis: lifetime days of use | 153.67 (89.97) | 544.29 (630.94)** |
| Cannabis: age of first use (years) | 14.55 (1.03) | 18.17 (2.62)*** |
| Cannabis: use frequency (days/week) | 1.41 (0.77) | 1.45 (0.77) |
| Cannabis: time since last use (days) | 7.8 (7.34) | 5.06 (2.79) |
| Cannabis: amount used (grammes) | 0.81 (0.56) | 0.5 (0.52) (n = 23) |
| CUDIT-R | 10.17 (3.14) | 7.21 (3.31)** |
For continuous data, mean (SD) is shown and for categorical data (%).Total DSM CUD number of symptoms 1.42 (1.69) 0.92 (1.35)
SES socioeconomic status, AUDIT alcohol use disorders identification test, BDI Becks depression inventory, CUDIT-R cannabis use disorder identification test-revised, s-UPPS-P short urgency-premeditation-perseverance-sensation seeking-positive urgency, WTAR Weschler test of adult reading
*p < 0.05, **p < 0.01, ***p < 0.001