Table 3.
Perceived intoxication and impairment of subjects, by age and group
| Variable | Older |
Younger |
||
| Alcohol (n = 17) Mean (SD) | Placebo (n = 25) Mean (SD) | Alcohol (n = 11) Mean (SD) | Placebo (n = 15) Mean (SD) | |
| Intoxicationa | ||||
| Ascending | 3.94 (2.25) | 2.12(1.36) | 3.91 (1.76) | 2.47 (1.60) |
| Descending | 2.53(1.54) | 1.34(0.65) | 2.54(1.37) | 2.26(1.58) |
| Impairment | ||||
| Ascendingb | 3.41 (2.03) | 1.80(1.41) | 4.09 (2.07) | 2.13 (0.99) |
| Descendingc | 2.82 (2.19) | 1.43 (0.90) | 2.45(1.21) | 2.20(1.52) |
a
Differences between ascending, descending limb significant for alcohol group (F = 5.95, 1/62 df, p = .02);
b
differences between older and younger participants significant (F = 18.79, 1/64 df, p < .001);
c
differences between alcohol and placebo groups significant for older subjects (F = 17.05, 1/38 df, p < .001).