Table 2.
Age, schizotypy, and drug use statistics comparing CU and nCU.
| Variables | CUc (N = 35) |
nCUd (N = 48) |
t | p | ||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | |||
| Age | 22.51 | 5.63 | 21.67 | 3.56 | 0.84 | 0.40 |
| UnExa | 7.63 | 6.04 | 5.44 | 3.71 | 1.90 | 0.06 |
| CogDisb | 10.46 | 5.75 | 10.73 | 4.97 | −0.23 | 0.82 |
| Cigarettes/week | 24.66 | 28.67 | n/a | n/a | n/a | n/a |
| Joints/week | 11.14 | 12.16 | n/a | n/a | n/a | n/a |
| Nicotine use severity | 1.94 | 1.86 | 0.08 | 0.45 | 5.78 | 0.00 |
| Cannabis use severity | 2.97 | 1.95 | 0.00 | 0.00 | 9.03 | 0.00 |
| Alcohol use severity | 2.29 | 1.84 | 1.31 | 1.42 | 2.72 | 0.01 |
aUnusual experiences.
bCognitive disorganization.
cCannabis users.
dCannabis non-users.
Values were compared between groups (CU, nCU) using independent t-tests (statistical results are shown in this table; t-values, df = 81, p-values). Significant group differences are highlighted in bold, trends in gray.