Table S2.

Anxiety subsample (n = 214): Demographic characteristics and anxiety self-report by genotype

CharacteristicsUnder 12 y of age12 y of Age and older
CCACAACCACAA
n65266634410
Mean age, y (SD)*10.0 (0.99)9.96 (0.85)9.50 (1.31)14.83 (1.46)14.79 (1.73)15.80 (1.79)
Sex, female/male28/3717/94/230/3315/294/6
Mean anxiety (SD)0.384 (0.25)0.512 (0.24)0.375 (0.15)0.479 (0.23)0.358 (0.27)0.294 (0.21)
  • * Age did not differ by genotype within the group under 12 y of age [F(2,96) = 0.722; P = 0.488] or 12 y of age and older [F(2,116) = 1.759; P = 0.177].

  • Sex did not differ by genotype within the group under 12 y of age [χ2(2) = 4.36; P = 0.113] or 12 y of age or older [χ2(2) = 1.96; P = 0.375].