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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.