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We investigated trait and alcohol-specific self-control as unique predictors and moderators of the relation between implicit drinking identity associations and drinking.

Three hundred undergraduates completed a drinking identity Implicit Association Test (IAT), trait and alcohol self-control questionnaires, and alcohol consumption, problems, and cravings inventories.

Regression analyses tested for unique effects of predictors and for Self-Control × IAT interactions. Each predictor accounted for unique variance in consumption, but there was no evidence of moderation effects. Both types of self-control, but not IAT scores, accounted for unique variance in problems. A Trait Self-Control × Implicit Drinking interaction accounted for excess zeros in problems, with a greater likelihood of not having alcohol problems among individuals with low implicit identity who had higher versus lower trait self-control …