Direct effect of Acculturation Gap on Past 12 month Alcohol Use Controlling for Gender. (*p<.05. **p<.01. ***p<.001, n.s. = not significant). OR = Odds Ratio, and IRR = Incidence Rate Ratio. Significance tests use the Wald test, which is the ratio of the estimated regression coefficient, divided by its standard error, evaluated with a t or Z test .