Table 1.
Demographics and Participant Characteristics (Mean ± Standard Deviation)
| Parameter | nsLD N = 19 (3F) | nsALC N = 10 (0F) | sALC N = 19 (1F) |
|---|---|---|---|
| Age (y) | 47.0 ± 7.9 | 50.9 ± 10.0 | 48.0 ± 9.9 |
| Education (y) | 16.9 ± 2.8#,$$ | 14.2 ± 2.6# | 13.6 ± 2.8$$ |
| AMNART | 119 ± 7 | 111 ± 10 | 113 ± 10 |
| BDI | 3.3 ± 3.9 | 17.3 ± 8.9 | 15.1 ± 10.8 |
| STAI Y-2 | – | 50 ± 10 | 51 ± 10 |
| CIWA-Ar | – | 4.5 ± 3.8 | 2.1 ± 1.8 |
| 1-y average (drinks per month) | 12 ± 17 | 414 ± 182 | 429 ± 165 |
| 3-y average (drinks per month) | 12 ± 17 | 406 ± 186 | 414 ± 180 |
| Lifetime average (drinks per month) | 15 ± 14 | 206 ± 132 | 297 ± 107 |
| Lifetime years | 28.2 ± 5.7 | 34.4 ± 10.0 | 30.8 ± 9.9 |
| Total lifetime consumption (kg) | 65 ± 63 | 1150 ± 840 | 1520 ± 820 |
| Onset of heavy drinking (y) | – | 26.0 ± 8.8 | 20.0 ± 3.9 |
| Months of heavy drinking | – | 240 ± 100 | 300 ± 110 |
| Time after last caffeinated drink (h) | 8.3 ± 2.5 | 9.5 ± 2.0 | 8.1 ± 3.5 |
| Time after last cigarette (h) | – | – | 2.2 ± 1.0 |
Contrast between sALC and nsLD: p<0.05.
Contrast between nsALC and nsLD: p<0.01.
AMNART, American National Adult Reading Test; BDI, Beck Depression Inventory; STAI Y-2, State-trait Anxiety Inventory-State; CIWA-Ar, Addiction Research Foundation Clinical Institute of Withdrawal Assessment for Alcohol; 1 y average, number of drinks per month over 1y before study; 3-y average, number of drinks per month over 3 y before study; lifetime average, number of drinks per month over lifetime; lifetime years, number of years of regular alcohol consumption over lifetime; total lifetime consumption, total amount of pure EtOH (kg) consumed over lifetime; onset of heavy drinking, age, when alcohol consumption exceeded 100 drinks per month.