Table 1. Demography, Alcohol, and Drug Characteristics at Time 1 Across the 3 Experimental Conditions for 454 Subjects*.
| Education Group | LRB | SOTA | CONTROL | Overall | Low LR | High LR | |||
|---|---|---|---|---|---|---|---|---|---|
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| LR (Group) | Low LR | High LR | Low LR | High LR | Low LR | High LR | F/χ2 | F/χ2 | F/χ2 |
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| N | 89 | 89 | 106 | 106 | 32 | 32 | |||
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| Demography | |||||||||
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| Age | 18.1 (0.41) | 18.2 (0.49) | 18.1 (0.36) | 18.2 (0.52) | 18.1 (0.44) | 18.2 (0.62) | 0.77 | 0.19 | 0.48 |
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| Female (%) | 65.2 | 65.2 | 58.5 | 58.5 | 65.6 | 65.6 | 2.22 | 1.11 | 1.11 |
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| Race/Ethnicity (%) | 5.36 | 2.56 | 2.68 | ||||||
| EA | 23.6 | 23.6 | 27.4 | 27.4 | 28.1 | 28.1 | |||
| Asian | 31.5 | 31.5 | 32.1 | 30.2 | 25.0 | 25.0 | |||
| Hispanic | 12.4 | 12.4 | 11.3 | 13.2 | 6.3 | 6.3 | |||
| Other | 32.6 | 32.6 | 29.2 | 29.2 | 40.6 | 40.6 | |||
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| Dormitory residence (%) | 94.4 | 92.3 | 93.4 | 93.4 | 93.8 | 87.5 | 1.91 | 0.08 | 1.17 |
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| Alcohol | |||||||||
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| SRE 1st 5 | 6.0 (1.82) | 2.5 (0.82) | 5.8 (1.79) | 2.5 (0.81) | 5.5 (1.89) | 2.8 (0.68) | 124.57c | 0.86 | 1.69 |
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| Maximum quantityˆ | 7.4 (4.45) | 5.6 (4.45) | 7.1 (4.71) | 5.5 (4.06) | 8.4 (6.23) | 5.2 (4.15) | 4.20c | 0.94 | 0.11 |
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| Usual quantityˆ | 5.0 (3.08) | 3.6 (2.52) | 4.7 (2.94) | 3.6 (2.36) | 5.0 (4.07) | 3.1 (2.38) | 5.00c | 0.24 | 0.07 |
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| Usual frequencyˆ | 4.6 (4.47) | 3.7 (3.62) | 4.5 (4.97) | 4.1 (3.90) | 5.1 (4.43) | 4.7 (4.33) | 0.81 | 0.25 | 0.93 |
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| Times 4+ drinksˆ | 2.8 (2.90) | 2.3 (2.77) | 2.5 (2.51) | 2.1 (2.75) | 3.2 (3.02) | 2.1 (2.42) | 1.29 | 0.74 | 0.10 |
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| Drugs (%) | |||||||||
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| Smoke 5+ 6mo (%) | 9.0 | 4.5 | 3.8 | 4.7 | 0.0 | 12.5 | 7.86 | 4.70 | 3.17 |
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| Cannabis | 53.9 | 39.3 | 38.7 | 38.7 | 43.8 | 46.9 | 6.64 | 4.58 | 0.72 |
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| Participation | |||||||||
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| All 4 assessments (%) | 97.8 | 98.9 | 100.0 | 99.1 | 100.0 | 100.0 | 3.48 | 3.13 | 0.35 |
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| Number assessments | 2.98 (0.15) | 2.99 (0.11) | 3.00 (0.00) | 2.99 (0.10) | 3.00 (0.00) | 3.00 (0.00) | 0.69 | 1.57 | 0.17 |
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| Number videos | 3.92 (0.34) | 3.97 (0.18) | 3.99 (0.10) | 3.98 (0.14) | 2.10 | 3.91a | 0.42 | ||
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| Viewing minutes mean | 47.8 (7.95) | 48.0 (6.89) | 49.2 (14.10) | 50.9 (8.73) | 1.98 | 0.69 | 6.37a | ||
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| Viewed all 4 videos (%) | 94.4 | 96.6 | 99.1 | 98.1 | 4.34 | 3.54 | 0.43 | ||
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| Correct post-video items (of 18) | 16.3 (2.20) | 16.7 (1.44) | 17.0 (1.19) | 17.1 (2.22) | 2.93a | 4.14a | 3.45 | ||
LRB = Low Response Based Education Group, SOTA = State of the Art Education Group, Control = no videos education group, Low LR/High LR = Subjects classified as having low vs. high level of response to alcohol, EA = European Americans, SRE = Self-Report of the Effects of Alcohol, frequency = # days drank in last month, usual quantity = # drinks usually had in 24 hours in the last month, maximum quantity = largest # of drinks in 24 hours in the last month
*
= analyses used log transformations
a
p<.05;
b
p<.01;
c
p<.001