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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: Addict Behav. 2018 Jan 12;80:89–94. doi: 10.1016/j.addbeh.2018.01.013

Table 2.

Alcohol use characteristics for all participants

Participant Characteristics (N = 1,854) Mean (SD)
Year 4 motivation to change 1.9 (1.2)
Year 5 motivation to change 1.8 (1.2)
Year 6 motivation to change 1.8 (1.2)
Year 4 frequency feeling drunk 3.5 (6.6)
Year 5 frequency feeling drunk 2.9 (5.5)
Year 6 frequency feeling drunk 2.9 (6.3)
Year 4 quantity of alcohol consumption 2.7 (2.4)
Year 5 quantity of alcohol consumption 2.5 (2.2)
Year 6 quantity of alcohol consumption 2.4 (2.6)
Year 4 blackouts 1.5 (0.7)
Year 5 blackouts 1.5 (0.7)
Year 6 blackouts 1.5 (0.7)

Notes: Frequency of motivation to change, feeling drunk, quantity (i.e., drinks per drinking day), and blackouts were calculated for the previous three months at each assessment.