Table S1.

Diffusion tensor imaging sample (n = 1,050): Demographic characteristics by genotype

CharacteristicsUnder 12 y of age12 y of Age and older
CCACAACCACAA
n3441682928618241
Mean age, y (SD)*8.14 (2.27)8.01 (2.39)8.45 (2.53)16.51 (2.64)16.17 (2.55)16.22 (2.49)
Sex, female/male166/17892/7611/18144/14290/9215/26
  • * Age did not differ by genotype within the group under 12 y of age [F(2,540) = 0.493; P = 0.611] or 12 y of age and older [F(2,508) = 1.023; P = 0.360].

  • Sex did not differ by genotype within the group under 12 y of age [χ2(2) = 3.62; P = 0.164] or 12 y of age or older [χ2(2) =2.75; P = 0.253].