Table 2.
Sample characteristics (n = 353).
| Mean | SD | Range | n | |
|---|---|---|---|---|
| Age | 42.02 | 1.34 | 39–45 | 353 |
| BMI | 26.29 | 5.03 | 16.76–45.17 | 351 |
| IQ | 107.44 | 17.51 | 40–141 | 349 |
| AUDIT-C | 3.92 | 2.04 | 0–10 | 353 |
| aTBV | 85.62 | 2.13 | 79.08–90.43 | 353 |
| n | % | |||
|---|---|---|---|---|
| Sex | ||||
| Males | 163 | 46 | 353 | |
| Females | 190 | 54 | ||
| Education | ||||
| Basic education | 26 | 7 | 353 | |
| Secondary education | 195 | 55 | ||
| Higher education | 132 | 37 | ||
| Not drinking alcohol | 13 | 4 | 353 | |
| Cannabis usea | 29 | 8 | 345 | |
| Other illicit drug usea | 10 | 3 | 344 | |
| Currently smoking | 67 | 20 | 336 | |
| Cerebrovascular risks | 90 | 25 | 353 | |
| Hypertension | 65 | 18 | ||
| Diabetes | 10 | 3 | ||
| Hyperlipidemia | 18 | 5 | ||
| Other heart condition | 16 | 5 | ||
BMI Body Mass Index, AUDIT-C Alcohol Use Disorders Identification Test-Consumption, aTBV adjusted Total Brain Volume.
aLifetime use.