All five traits correlated significantly with both drinking quantity and drinking problems at time 1. All but lack of perseverance correlated with time 1 drinking frequency. All but lack of perseverance correlated with time 2 drinking quantity and drinking frequency, and all five traits correlated with time 2 problem drinking. For biological sex, higher scores referred to men. Being male was unrelated to drinking quantity, frequency, or problem drinking at either time 1 or time 2. Being male was associated with slightly higher scores on positive urgency, sensation seeking, and lack of perseverance.