Table 3.
Frequency of Alcohol and Drug Use Prior to Scan Based on K-SADS Interview.
| High-Risk (n=40) | Low-Risk (n=38) | Total (n=78) | ||
|---|---|---|---|---|
| Alcohola | Mean (SD) | 186.55 (468.20) | 105.88 (369.50) | 147.25 (422.23) |
| Min – Max | 0 – 2288 | 0 – 1846 | 0 – 2288 | |
| Cigarettesb | Mean (SD) | 125.69 (359.56) | 14.41 (88.82) | 71.48 (269.09) |
| Min – Max | 0 – 1788.50 | 0 – 547.50 | 0 – 1788.50 | |
| Cannabisc | Mean (SD) | 15.38 (44.22) | 0.87 (3.56) | 8.31 (32.40) |
| Min – Max | 0 – 228 | 0 – 20 | 0 – 228 | |
| Amphetamined | Mean (SD) | 1.70 (6.95) | 0.00 | 0.87 (5.02) |
| Min – Max | 0 – 39 | 0 – 39 | ||
| Cocained | Mean (SD) | 0.50 (3.16) | 0.00 | 0.26 (2.26) |
| Min – Max | 0 – 20 | 0 – 20 | ||
| Hallucinogensd | Mean (SD) | 0.50 (3.16) | 0.00 | 0.26 (2.26) |
| Min – Max | 0 – 20 | 0 – 20 | ||
| Opioidsd | Mean (SD) | 0.70 (3.25) | 0.00 | 0.36 (2.34) |
| Min – Max | 0 – 20 | 0 – 20 | ||
| Any Drug Used | Mean (SD) | 18.78 (49.26) | 0.87 (3.56) | 10.05 (36.28) |
| Min – Max | 0 – 232 | 0 – 20 | 0 – 232 |
a
Number of drinks in lifetime (1 drink = 1 12oz beer; 1 mixed drink of 1 1/2oz liquor; 1 6oz glass of wine).
b
Number of packs of cigarettes (20 cigarettes = pack) smoked in lifetime.
c
Number of times cannabis was smoked in lifetime.
d
Number of times the drug was used in participant’s lifetime.