Table 2:

Bivariate Spearman Correlations Between Serum BDNF Concentrations and Behavioral Measures

	Log BDNF Concentration	Log BDNF (%TP) Concentration
Baseline OCDS Score	r = 0.48 p = 0.007	r = 0.49 p = 0.005
Baseline QSU-B Score	r = −0.12 p = 0.66	r = −0.09 p = 0.74
Baseline ADS Score	r = 0.35 p = 0.05	r = 0.32 p = 0.08
Baseline State STAI Score	r = 0.52 p = 0.003	r = 0.49 p = 0.006
Total Drinks (Past Week)	r = −0.30 p = 0.11	r = −0.28 p = 0.12
Drinks/Drinking Days (Past Week)	r = −0.41 p = 0.02	r = −0.40 p = 0.03
Drinking Days (Past Week)	r = −0.02 p = 0.88	r = −0.005 p = 0.97

ADS: alcohol dependence scale; BDNF: brain derived neurotrophic factor; OCDS: obsessive compulsive drinking scale; QSU-B: questionnaire of smoking urges – brief; STAI: state-trait anxiety inventory; TP: total protein.