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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Psychol Addict Behav. 2014 Oct 27;29(2):430–443. doi: 10.1037/adb0000023

Figure 2. Interaction Effect of Daily Negative Affect and Grade of First Alcohol Use on the Daily Probability of Weekend Heavy Drinking.

Figure 2

High and low negative affect are +1SD and −1SD around the mean of within-day negative affect. “Younger first alcohol” compares students who initiated alcohol use in Grade 8. “Older first alcohol” compares students who initiated alcohol use in their first semester of university.