Table 1 Participant characteristics at baseline by CUD level at follow-up
No CUD (n = 133) | Mild CUD (n = 26) | Moderate CUD (n = 28) | Severe CUD (n = 45) | |
|---|---|---|---|---|
Cannabis group | ||||
PWUC | 22 (16.5%) | 23 (88.5%) | 27 (96.4%) | 45 (100%) |
Control | 111 (83.5%) | 3 (11.5%) | 1 (3.6%) | 0 |
Ethnicity n (%) | ||||
White | 88 (66.2%) | 16 (61.5%) | 15 (53.6%) | 30 (66.7%) |
Mixed | 13 (9.8%) | 5 (19.2%) | 6 (21.4%) | 5 (11.1%) |
Asian | 22 (16.5%) | 2 (7.8%) | 3 (10.7%) | 5 (11.1%) |
Black | 3 (2.3%) | 2 (7.8%) | 3 (10.7%) | 4 (8.9%) |
Other | 5 (3.8%) | 1 (3.8%) | 1 (3.6%) | 1 (2.2%) |
Prefer not to say | 2 (1.5%) | 0 | 0 | 0 |
Maternal education | ||||
Below undergraduate degree | 57 (43.8%) | 13 (54.2%) | 21 (75.0%) | 23 (51.1%) |
Undergraduate degree or above | 73 (56.2%) | 11 (45.8%) | 7 (25.0%) | 22 (48.9%) |
Missing | 3 | 2 | ||
Days/week alcohol use | 1.22 (1.18) | 0.79 (0.69) | 0.93 (1.21) | 0.79 (0.93) |
Days/week cigarette/roll-up use | 0.63 (1.71) | 1.47 (2.57) | 2.01 (2.81) | 1.74 (2.51) |
Any other illicit drug used ≥monthly, past 3 months | ||||
Yes | 9 (6.8%) | 5 (19.2%) | 10 (35.7%) | 28 (62.2%) |
No | 124 (93.2%) | 21 (80.8%) | 18 (64.3%) | 17 (37.8%) |
Model predictors | ||||
Gendera | ||||
Female | 70 (52.6%) | 16 (61.5%) | 16 (57.1%) | 18 (40.0%) |
Male | 63 (47.4%) | 10 (38.4%) | 12 (42.9%) | 27 (60.0%) |
Age-Group | ||||
Adolescents (16–17 years) | 58 (43.6%) | 13 (50.0%) | 14 (50.0%) | 33 (73.3%) |
Young adults (26–29 years) | 75 (56.4%) | 13 (50.0%) | 14 (50.0%) | 12 (26.7%) |
Baseline CUD level | ||||
No CUD | 122 (91.7%) | 7 (26.9%) | 3 (10.7%) | 1 (2.2%) |
Mild CUD | 7 (5.3%) | 8 (30.8%) | 9 (32.1%) | 6 (13.3%) |
Moderate CUD | 1 (0.8%) | 7 (26.9%) | 9 (32.1%) | 7 (15.6%) |
Severe CUD | 3 (2.3%) | 4 (15.4%) | 7 (25.0%) | 31 (68.9%) |
Average days/week of cannabis use, past 3 months | 0.67 (1.71) | 3.38 (2.11) | 4.11 (2.09) | 4.38 (1.90) |
AUDIT score | 5.21 (3.91) | 5.38 (4.87) | 6.00 (4.27) | 7.16 (4.76) |
HSI score | 0.05 (0.31) | 0.15 (0.54) | 0.29 (0.76) | 0.20 (0.55) |
Past-year negative life events | 1.96 (1.51) | 2.38 (1.90) | 2.14 (1.84) | 2.09 (1.70) |
Completed follow-up during COVID-19 lockdown | ||||
Yes | 49 (36.8%) | 7 (26.9%) | 14 (50.0%) | 8 (17.8%) |
No | 84 (63.2%) | 19 (73.1%) | 14 (50.0%) | 37 (82.2%) |
