Table 1.
Demographic and Drinking Variables by Student Sample
| Mandated Student Sample (n=435) | General Student Sample(n=1876) | t or χ2 | df | p | |
|---|---|---|---|---|---|
| Demographics
| |||||
| Age | M=19.24 (SD=1.11) | M=20.29 (SD=2.62) | t = -13.03 | 2289 | <.001 |
| Gender (% male) | 73% | 41% | χ2 =146.15 | 2311 | <.001 |
| Year in School | χ2 =83.94 | 2311 | <.001 | ||
| Freshmen | 35% | 24% | |||
| Sophomore | 36% | 25% | |||
| Junior | 18% | 28% | |||
| Senior | 9.4% | 23% | |||
| Other | 0.5% | 0.1% | |||
| Race/Ethnicity | χ2 =1.77 | 2311 | .10 | ||
| Non-Hispanic White | 81% | 78% | |||
| Other | 19% | 22% | |||
| Living Situation | χ2 =44.20 | 2311 | <.001 | ||
| On-campus dorm | 82% | 66% | |||
| Other | 18% | 44% | |||
| Non-dorm university housing | 4.6% | 11% | |||
| Off campus house/apartment | 9.3% | 18% | |||
| Frat/Sorority house | 0.5% | 1% | |||
| With family | 3.0% | 4.5% | |||
| Other | 0.2% | 0.0% | |||
| Grade Point Average (letter grade) | χ2 =39.75 | 2311 | <.001 | ||
| ≤1.5 (D, F) | 0.5% | 0.5% | |||
| 1.6-2.5 (C) | 10% | 8.3% | |||
| 2.6-3.5 (B) | 70% | 57% | |||
| 3.6-4 (A) | 19% | 35% | |||
|
| |||||
| Drinking Variables
| |||||
| Weekly Quantity | M=12.27 (SD=8.60) | M=6.29 (SD=7.70) | t = 13.31 | 2301 | <.001 |
| Frequency of Heavy Drinking | χ2 =9.66 | 2311 | .09 | ||
| None | 35% | 39% | |||
| Once | 22% | 18% | |||
| Twice | 15% | 16% | |||
| 3-5x | 23% | 21% | |||
| 6-9x | 3.9% | 4.3% | |||
| 10+ times | 0.2% | 1.1% | |||