Participants with more AUD symptoms were also more likely to engage in binge-like behavior.

AUD symptoms were assessed with clinical interviews, and participants of European ancestry were genotyped.

Polygenic scores accounted for 0 to 1% of the variance in AUD symptoms.

For Q-F, only peak eBAC and peak number of standard drinks were associated with AUD symptoms, and not presence of peers.

We examined whether AUD symptoms and the presence of peers, factors relevant to alcohol consumption in youth, were associated with rate of consumption.

As a comparison, we examined whether indicators of quantity and frequency (Q-F) were associated with AUD symptoms and presence of peers.