Table 1.
Demographic characteristics of the study groups*
| Control n=50 |
AUD n=90 |
p-value^ | |
|---|---|---|---|
| N (men/women) | 26 / 24 | 65 / 25 | 0.02 |
| Age (years) | 56.5±12.1 | 53.7±9.6 | 0.17 |
| Self-Defined Ethnicitya | 30 / 8 / 12 | 41 / 35 / 14 | 0.01 |
| Handedness (right/left) | 46 / 4 | 76 / 14 | 0.31 |
| Body Mass Index (BMI) | 25.8±4.5 | 27.6±4.6 | 0.03 |
| Education (years) | 16.7±2.1 | 13.5±2.7 | <.0001 |
| Socioeconomic Status (SES)b | 22.8±10.9 | 41.4±17.0 | <.0001 |
| WTARc IQ | 109.3±10.0 | 97.8±13.7 | <.0001 |
| Alcohol-Related Variables | |||
| AUD duration (years) | - | 36.3±10.5 | n/a |
| Days since last drink | - | 85.9±103.5 | n/a |
| Lifetime Alcohol Consumption | - | 1257.8±966.4 | n/a |
| Smoker (never/past/current/missing) | 43 / 2 / 1 / 4 | 23 / 18 / 46 / 3 | <.0001 |
| Hepatitis C Virus (+ / − / missing) | 1 / 38 / 11 | 15 / 62 / 13 | 0.005 |
*
frequency count / mean±SD;
^
2-group comparisons: t-tests for continuous variables, X2 for categorical variables, bold = signfiicant;
a
Caucasian / African American / other = Native American, Asian, Islander;
b
lower score = higher status;
c
Wechsler Test of Adult Reading