Table 1.

Analysis of variance table for the mean difference between time points post-cue (i.e., t4) and pre-cue (i.e., t3).

Variable	“Urge to drink”		“Crave for a drink”
	F-value	p-Value	F-value	p-Value
Treatment (tryptophan depletion)	1.66	0.201	0.01	0.914
rs1042173 (TT, TG/GG)	0.34	0.567	0.07	0.795
Cue	9.10	0.004	6.59	0.010
rs1042173*cue	5.58	0.021	5.01	0.028
Age of onset of problem drinking	0.72	0.407	0.12	0.728

p-Values <0.05 are shown in bold-faced font.