Table 2.
Multilevel logistic regression models predicting risk of intoxication last time at each setting, OR (95% CI)
| Predictor | Greek party | Dorm party | Campus event | Off-campus party | Bar/restaurant | Outdoors | Any setting |
|---|---|---|---|---|---|---|---|
| Time × Condition | 0.86 (0.58, 1.26) | 0.93 (0.59, 1.47) | 0.89 (0.59, 1.34) | 0.81 (0.68, 0.97) | 0.76 (0.62, 0.94) | 1.13 (0.56, 2.27) | 0.80 (0.65, 0.97) |
| Intervention group | 1.15 (0.73, 1.82) | 0.92 (0.52 (1.65) | 0.90 (0.50, 1.64) | 1.29 (0.99, 1.69) | 1.66 (1.13, 2.46) | 0.86 (0.33, 2.23) | 1.30 (0.99, 1.72) |
| Control group (ref) | — | — | — | — | — | — | — |
| Time (survey years) | |||||||
| 2005–2006 (intervention) |
1.27 (0.97, 1.66) | 1.24 (0.91, 1.69) | 1.46 (1.12, 1.90) | 1.28 (1.14, 1.45) | 1.17 (1.01, 1.36) | 0.50 (0.31, 0.82) | 1.24 (1.07, 1.42) |
| 2003–2004 (baseline, ref) |
— | — | — | — | — | — | — |
| Student covariatesa | |||||||
| University covariates | |||||||
| UC vs CSU system | 0.84 (0.59, 1.18) | 1.25 (0.85, 1.84) | 0.72 (0.48, 1.10) | 1.00 (0.84, 1.19) | 0.63 (0.40, 0.99) | 0.74 (0.39, 1.40) | 0.89 (0.76, 1.05) |
| % white | 1.00 (0.99, 1.02) | 1.01 (0.99, 1.03) | 0.99 (0.97, 1.01) | 1.00 (0.99, 1.01) | 1.00 (0.99, 1.02) | 1.01 (0.99, 1.04) | 1.00 (0.99, 1.01) |
| % living on campus | 0.99 (0.97, 1.00) | 0.99 (0.97, 1.00) | 1.01 (0.99, 1.02) | 1.00 (0.99, 1.01) | 1.02 (1.00, 1.04) | 1.00 (0.98, 1.03) | 1.00 (0.99, 1.01) |
| % Greek members | 1.08 (1.03, 1.12) | 0.99 (0.95, 1.03) | 1.01 (0.96, 1.06) | 1.00 (0.98, 1.02) | 1.00 (0.95 (1.06) | 0.98 (0.91, 1.05) | 1.01 (0.99, 1.03) |
| % heavy episodic drinking |
5.39 (1.77, 16.43) | 3.29 (0.83, 12.9) | 6.10 (1.59, 23.4) | 3.24 (1.83, 5.74) | 2.71 (0.58, 12.69) | 3.36 (0.42, 26.8) | 4.06 (2.34, 6.94) |
| ≥ 80 mi. from lg. city | 0.35 (0.18, 0.67) | 0.45 (0.23, 0.88) | 0.60 (0.29, 1.24) | 0.64 (0.46, 0.89) | 0.90 (0.36, 2.25) | 0.60 (0.18, 2.00) | 0.60 (0.44, 0.81) |
a
The full model (too large to include here) includes 25 student-level covariates. The complete table is provided in Appendix B (available online at www.ajpm-online.net).