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. 2017 Aug 2;12(8):e0176638. doi: 10.1371/journal.pone.0176638

Table 2. Motivational and emotional measures in alcohol-dependent patients vs. control participants.

AD patients Control participants Main effects Interaction
Tests and Parameters Time 1
AD (N)
Time 2
AD (N)
Time 1
C (N)
Time 2
C (N)
Time
T1vs. T2
Group
AD vs. C
Time x Group
OCDS, mean ± SD
 Obsession 10.87 ± 5.31 (32) 4.97 ± 3.22 (32) 2 ± 1.11 (40) 0.225 ± 1.27 (40) ** ** **
 Compulsion 8.52 ± 3.46 (32) 3.61 ± 2.92 (32) 0.72 ± 1.47 (40) 0.32 ± .86 (40) ** ** **
 Total 19.53 ± 8.34 (32) 8.47 ± 5.59 (32) 0.92 ± 2.05 (40) 0.55 ± 1.97 (40) ** ** **
PANAS, mean ± SD
PA 29.19 ± 7.46 (41) 32.17 ± 7.41 (41) 30.12 ± 7.48 (41) 29.63 ± 7.57 (41) ns ns *
NA 18.41 ± 6.57 (41) 16.31 ± 4.55 (41) 12.66 ± 2.63 (41) 12.22 ± 3.15 (41) * ** ns
BDI, mean ± SD 20.34 ± 11.92 (38) 11.02 ± 7.62 (38) 4.15 ± 5.33 (40) 3.65 ± 5.37 (40) ** ** **

* p < 0.05, ** p < 0.001.

Only cases (excluding missing values) are included

Abbreviations: AD = alcohol-dependent, C = controls, OCDS = Obsessive and Compulsive Drinking Scale; PANAS = Positive Affectivity Negative Affectivity Scale, PA = Positive Affect, NA = Negative Affect; BDI = Beck Depression Inventory, NS = not significant, SD = standard deviation, N = number of participants.