Table 2.
Means and standard deviations across assessment years at the comparison site
| Item | Assessment year |
||
| Year 2 Mean (SD) | Year 3 Mean (SD) | Year 4 Mean (SD) | |
| Self-reported behaviorsa | |||
| Alcohol use composite | 0.00 | 0.02 | −0.01 |
| Alcohol use at off-campus party | 2.80 | 2.82 | 2.82 |
| Alcohol-impaired driving | 0.07 (0.20) | 0.07 (0.20) | 0.06 (0.19) |
| Awareness of formal efforts | |||
| Enforce drinking and driving laws | 2.16 (1.28) | 2.28 (1.24) | 2.49 (1.34) |
| Reduce underage access | 2.36 (1.23) | 2.21 (1.20) | 2.28 (1.19) |
| Implement responsible beverage service | 1.95 (0.93) | 1.85 (0.87) | 1.82 (0.88) |
| Perceived likelihood of enforcement/consequences | |||
| Apprehension for MLDA violation | 2.33 (0.71) | 2.27 (0.69) | 2.33 (0.77) |
| Consequences for false ID | 3.60 (0.98) | 3.35 (0.92) | 3.36 (0.84) |
| Consequences for alcohol-impaired driving | 3.09 (0.90) | 3.30 (0.83) | 3.38 (0.77) |
| Consequences for off-campus party | 2.93 (0.77) | 2.82 (0.71) | 2.73 (0.73) |
| Perceived alcohol availability | |||
| Likelihood of responsible alcohol service | 3.12 (0.66) | 3.17 (0.70) | 3.32 (0.68) |
| Difficulty finding an off-campus party | 1.77 (0.87) | 1.72 (0.81) | 1.69 (0.79) |
| Perception of students' behavior at a party | 3.94 (0.55) | 3.79 (0.57) | 3.74 (0.57) |
Notes: Data were not collected in Year 1 at the comparison site. MLDA = minimum legal drinking age; ID = identification.
a
To adjust for race, place of residence, and fraternity/sorority involvement, least squares means are reported for the alcohol use composite and alcohol use at an off-campus party.