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Table 1 Subject characteristics for the conjunction task

From: Visual search for feature conjunctions: an fMRI study comparing alcohol-related neurodevelopmental disorder (ARND) to ADHD

Measure TD ( n= 21) ARND ( n= 22) ADHD ( n= 19) Significance a Post hoc tests
Mean Std dev Mean Std dev Mean Std dev
Age (years) 12.60 1.29 12.20 1.64 11.93 1.33 F = 1.098, p = 0.340  
Sex (% male) 76.2   63.6   89.5   χ 2 = 3.713, p = 0.156  
Household income ($) 70,842 15,302 49,733 21,118 65,287 27,879 F = 5.261, p = 0.008 TD > ARND, p = 0.007b
Full-scale IQ 107.81 13.08 73.05 12.33 95.79 16.97 F = 32.527, p < 0.001 TD > ARND, p < 0.001c
         ADHD > ARND, p < 0.001c
  1. a p value cutoff = 0.05; bGames-Howell test; cTukey’s HSD test.