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. 2019 Sep 4;21(9):e14967. doi: 10.2196/14967

Table 3.

Means and standard deviations for outcomes, with significance tests of changes from T0 to T1 and T1 to T2, plus effect size (T0-T2). Please note: not all participants responded to all items in the survey, resulting in missing values.

Variable
Baseline (T0) (n=792) 1 month (T1) (n=333) 3 months (T2) (n=293) P value (T0-T1) P value (T0-T2) Pre-post effect size (T0-T2)
AUDIT–Ca, mean (SD) 9.11 (1.92) 6.03 (3.02) 5.78 (3.02) <.001 <.001 –1.53
Alcohol days out of role, mean (SD) 1.59 (3.55)b 0.60 (2.46)b 0.48 (1.63) <.001 <.001 –0.262
Alcohol use (last 7 days), mean (SD) 37.10 (28.34)c 17.06 (21.57) 17.49 (18.89) <.001 <.001 –0.689
Kessler K-10, mean (SD) 24.80 (7.03) 19.84 (6.75) 18.97 (6.60) <.001 <.001 –0.937
EUROHIS, mean (SD) 3.15 (0.70) 3.51 (0.73) 3.57 (0.70) <.001 <.001 0.745
Sleep Quality, mean (SD) 1.70 (0.74)d 1.28 (0.74) 1.27 (0.75) <.001 <.001 –0.54
Exercise (METSe), mean (SD) 55.41 (153.19) 76.20 (246.16) 52.05 (97.88) .15 .65 –0.015

aAUDIT–C: alcohol use disorders identification test-communication.

b11 missing values.

c1 missing value.

d4 missing values.

eMETS: metabolic equivalents.