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Table 3 Mean scores for each subgroup in the 2-class models in analysis 1 and 2

From: Fetal alcohol spectrum disorder: neurodevelopmentally and behaviorally indistinguishable from other neurodevelopmental disorders

Observed variable/measure Analysis 1
FASD vs. Typically developing control children
Analysis 2
FASD vs. Typically developing control children and children with other neurodevelopmental disorders
Subgroup 1a Subgroup 2a d t-score p-value Subgroup 1b Subgroup 2b d t-score p-value
Mean SD Mean SD Mean SD Mean SD
Neurodevelopmental Test Battery
 WASI-II: block design 8.79 2.62 12.32 3.88 1.03 4.135 < 0.001 9.17 2.79 12.63 3.71 1.07 4.785 < 0.001
 WASI-II: similarities 7.79 2.57 10.47 3.22 0.99 3.863 < 0.001 8.08 2.35 10.63 3.09 0.94 4.212 < 0.001
 WASI-II: vocabulary 7.96 3.18 12.00 3.70 1.16 4.450 < 0.001 8.27 3.01 12.11 3.55 1.18 5.311 < 0.001
 WISC-IV: coding 5.63 3.44 10.15 2.35 1.59 5.590 < 0.001 5.75 3.08 10.58 2.15 1.78 8.549 < 0.001
 WISC-IV: symbol search 6.79 2.47 11.59 2.58 1.89 7.152 < 0.001 7.08 2.41 11.68 2.64 1.83 8.331 < 0.001
 NEPSY-II: arrows 7.25 3.23 11.59 2.45 1.55 5.544 < 0.001 7.75 3.31 11.87 2.03 1.46 7.098 < 0.001
 NEPSY-II: response set 7.13 3.48 11.82 2.79 1.52 5.485 < 0.001 7.91 3.29 12.03 2.87 1.32 6.191 < 0.001
 NEPSY-II: word generation (letter) 8.08 3.23 10.37 2.63 0.79 2.861 0.006 8.29 2.94 10.72 2.52 0.88 4.127 < 0.001
Child Behavior Checklist
 Attention problems 60.73 8.08 51.53 2.30 1.68 5.421 < 0.001 62.38 8.22 53.13 5.16 1.32 6.374 < 0.001
 Rule breaking behavior 56.08 6.67 51.88 2.96 0.87 2.885 0.007 56.50 7.19 52.76 4.03 0.62 3.042 0.003
  1. d Cohen’s d, SD Standard deviation
  2. aSubgroup 1 is comprised of 20 children with FASD and four typically developing control children; and Subgroup 2 is comprised of one child with FASD and 33 typically developing control children
  3. bSubgroup 1 is comprised of 20 children with FASD, 22 children with other neurodevelopmental disorders, and six typically developing control children; and Subgroup 2 is comprised of one child with FASD, six children with other neurodevelopmental disorders, and 31 typically developing control children