Table 2.
Cox regression indicating factors associated with delay to first binge drinking episode.⁎⁎
| Independent variables | B | SE | Hazard ratio | 95.0% CI for HR | |
|---|---|---|---|---|---|
| Male sex | 0.40 | 0.18 | 1.50⁎ | 1.06 | 2.11 |
| Race (White) | −0.15 | 0.17 | 0.86 | 0.61 | 1.21 |
| Parental problem drinking | 0.01 | 0.21 | 1.01 | 0.67 | 1.54 |
| Age of onset (standard drink) | 0.20 | 0.05 | 1.22⁎⁎⁎ | 1.10 | 1.34 |
| Type of alcohol consumed | |||||
| Beer | 0.26 | 0.20 | 1.30 | 0.89 | 1.90 |
| Wine | −0.19 | 0.31 | 0.83 | 0.45 | 1.53 |
| Liquor | 0.45 | 0.22 | 1.57⁎ | 1.02 | 2.42 |
| Drinking company | |||||
| Parents (reference group) | |||||
| Siblings | 0.49 | 0.48 | 1.63 | 0.63 | 4.19 |
| Friends | 0.79 | 0.40 | 2.21⁎ | 1.01 | 4.82 |
| Alone | 1.05 | 0.45 | 2.86⁎ | 1.20 | 6.85 |
| Subjective response to alcohol | |||||
| High arousal positive | 0.02 | 0.03 | 1.02 | 0.96 | 1.10 |
| High arousal negative | 0.08 | 0.04 | 1.08⁎ | 1.00 | 1.16 |
| Low arousal positive | −0.04 | 0.04 | 0.96 | 0.89 | 1.03 |
| Low arousal negative | 0.05 | 0.03 | 1.05 | 0.98 | 1.12 |
Note. Type of alcohol consumed, drinking company, and subjective response to alcohol were all retrospectively assessed to be based on the first drinking occasion on which students drank at least one standard drink.
⁎
p < .05.
⁎⁎
p < .01.
⁎⁎⁎
p < .001.