Table 2.
Binge Drinking and Alcohol-Related Problems Negative Binomial Regression Models
| Predictor | Binge Drinking | Alcohol-Related Problems | ||||||
|---|---|---|---|---|---|---|---|---|
| IRR | SE | Z | 95% CI | IRR | SE | Z | 95% CI | |
| Age | 1.03 | .05 | .57 | .94–1.13 | 1.04 | .04 | 1.29 | .98–1.12 |
| Gender | 1.20 | .14 | 1.52 | .95–1.51 | 1.35 | .16 | 2.51* | 1.07–1.72 |
| Off Campus | 1.47 | .18 | 3.11** | 1.15–1.88 | 1.01 | .10 | .39 | .86–1.24 |
| Greek | 2.25 | .25 | 7.40*** | 1.82–2.79 | 1.68 | .17 | 5.04*** | 1.37–2.06 |
| Descriptive | 1.30 | .07 | 4.45*** | 1.12–1.41 | 1.00 | .03 | .27 | .95–1.08 |
| EthnicID | .98 | .01 | −1.73 | .95–1.00 | .98 | .01 | −2.63* | .96–.99 |
| Generation | 1.07 | .05 | .53 | .86–1.33 | .85 | .04 | 1.75 | .68–1.06 |
| Quantity | --- | --- | --- | --- | 1.10 | .01 | 10.29*** | 1.07–1.12 |
| Japanese | 2.25 | .50 | 3.67*** | 1.46–3.48 | 1.37 | .29 | 1.47 | .90–2.10 |
| MultiAsian | 2.15 | .52 | 3.16** | 1.34–3.47 | 1.43 | .33 | 1.55 | .91–2.27 |
| Filipino | 1.66 | .28 | 3.09** | 1.21–2.31 | 1.70 | .23 | 3.98*** | 1.31–2.21 |
| Korean | 1.81 | .36 | 3.01** | 1.23–2.31 | 1.19 | .25 | .85 | .79–1.80 |
| South Asian | 1.72 | .31 | 2.98* | 1.20–2.45 | 1.53 | .30 | 2.21* | 1.05–2.24 |
| Vietnamese | 1.13 | .19 | .73 | .81–1.56 | 1.11 | .16 | 0.48 | .83–1.49 |
| Other Asian | .92 | .22 | −.34 | .57–1.48 | 1.73 | .43 | 2.21* | 1.06–2.82 |
Note.
*
p < .05,
**
p < .01,
***
p < .001.
IRR = Incidence Risk Ratio. SE = Robust standard error. Generation = generational status. Quantity was not included in the binge drinking model. Off-campus = living off-campus with friends. Descriptive = Descriptive Norms. EthnicID = Ethnic Identity.