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. 2020 Jan 27;15(1):e0220232. doi: 10.1371/journal.pone.0220232

Table 2. Description of alcohol use in terms of observed average drinking volume (on workweek days, at weekends, and total DV) and AUD prevalence according to its severity over the 3 waves by alcohol use class.

AU classes K1 K2 K3 K4 K5 K6
Labels Abstainers– Light WW increasers Light decreasers Moderate WE decreasers Moderate WW increasers Heavy drinkers
light drinkers
NAU (%) 467 (9.8%) 801 (16.9%) 576 (12.1%) 1327 (28.0%) 536 (11.3%) 1039 (21.9%)
Wave W1 W2 W3 W1 W2 W3 W1 W2 W3 W1 W2 W3 W1 W2 W3 W1 W2 W3
DV workweek 0.06 0.04 0.14 0.23 0.25 0.74 0.71 0.59 0.02 1.12 1.32 1.46 0.00 1.29 2.08 3.38 3.58 3.93
DV weekend 0.30 0.15 0.74 1.84 1.18 2.02 4.94 3.75 1.76 5.69 5.39 4.55 7.06 8.39 7.67 16.22 15.47 12.57
Total DV 0.36 0.19 0.88 2.07 1.44 2.76 5.65 4.34 1.78 6.80 6.71 6.00 7.06 9.67 9.76 19.59 19.05 16.50
% DV workweek 17.0 22.4 15.9 11.0 17.7 26.9 12.5 13.6 0.9 16.4 19.7 24.2 0.0 13.3 21.4 17.2 18.8 23.8
% monthly HED 1.7 0.6 4.1 8.6 2.5 6.5 30.9 25.5 7.1 48.6 42.6 35.9 52.8 66.7 62.1 96.2 95.6 85.1
N*   466   797   575   1319   533   1028
AUD prev.—No 97.9 98.3 97.0 87.8 88.2 84.2 79.8 80.5 88.0 67.6 67.7 66.9 71.5 60.8 58.4 34.5 36.7 37.3
AUD prev.—Mild 1.5 1.1 2.8 10.0 10.4 12.8 13.7 14.1 10.1 24.7 27.2 27.5 20.5 28.9 30.6 40.3 38.0 38.8
AUD prev.—Mod. 0.2 0.4 0.2 1.8 1.3 2.1 3.1 4.4 1.2 5.9 4.2 4.7 5.4 6.4 8.8 17.3 17.7 17.5
AUD prev.—Sev. 0.4 0.2 0.0 0.4 0.1 0.9 3.3 1.0 0.7 1.8 0.9 1.0 2.6 3.9 2.3 7.9 7.6 6.4

DV: drinking volume (number of standard drinks per week). % monthly HED: prevalence of participants drinking at least six drinks on a single occasion, once monthly or more. Prevalence of an alcohol use disorder according to its severity: No (0–1 criterion), Mild (2–3 criteria), Mod.: moderate (4–5) and Sev.: severe (6 or more).

* Due to missing values, 4746 participants were included in the analysis on AU trajectories, whereas 4719 participants were included in the analysis on AUD.