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. Author manuscript; available in PMC: 2011 Apr 25.
Published in final edited form as: Am J Med Genet B Neuropsychiatr Genet. 2009 Oct 5;150B(7):926–933. doi: 10.1002/ajmg.b.30919

Table I. Sample Description.

Sample FTND SymAlcAD SymCanAD
VAANX-ND A combined sample from two panels: (1) VAANX, regular smokers with high and low IANGF scores; and (2) VAND, regular smokers with high and low FTQ scores. The combined sample (n = 815, 532 males and 283 females) had FTND scores (mean, s.d.) of 5.18, 2.57 and IANGF scores of 0.25, 0.87. See Supplementary Figure S1 for their distribution DSM IV symptom counts for alcohol abuse and dependence. Only those subjects (n = 1,801) who used five or more drinks in a month were included in the analyses. See Supplementary Figure 2S for symptom count distribution DSM IV symptom counts for cannabis abuse and dependence. Only those subjects (n = 614) who used cannabis five times or more in a month were included in the analyses. See Supplementary Figure 2S for symptom count distribution
VAFTND Regular smokers (n = 1,128, 727 males, 399 females, and 2 with unknown sex) with FTND scores of 4.60, 2.62 and IANGF scores of 0.08, 0.46. See Supplementary Figure S1 for their distribution