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Table 2 Differences between healthy controls and adults with ADHD on No4's attention test

From: Hyperactivity persists in male and female adults with ADHD and remains a highly discriminative feature of the disorder: a case-control study

Measures

Controls mean

ADHD mean

ANCOVA* Group F

Effect Size Cohens d'

ROC Area

 

[95% CI]

[95% CI]

†q value

[95% CI]

[95% CI]

Accuracy (%)

97.46

95.76

16.83

0.76

0.71

 

[97.00–97.93]

[94.87–96.65]

p<0.0006

[0.38–1.13]

[0.62–0.79]

Errors of Omission

0.54

1.5

9.22

0.67

0.71

 

[0.33–0.76]

[0.86–2.13]

p<0.008

[0.32–0.94]

[0.65–0.77]

Errors of Comission

20.48

30.71

11.23

0.64

0.67

 

[16.87–24.09]

[24.84–36.58]

p<0.004

[0.24–1.08]

[0.56–0.78]

Latency (msec)

482.9

481.6

0.11

0.02

0.52

 

[467.1–498.7]

[459.5–503.7]

p>0.7

[−0.38–0.45]

[0.40–0.64]

Latency SD

97.93

119.4

8.75

0.69

0.70

 

[90.38–105.5]

[108.6–130.1]

p<0.008

[0.28–1.12]

[0.60–0.80]

Latency COV

20.37

24.32

13.43

0.76

0.73

 

[19.06–21.67]

[22.58–26.07]

p<0.002

[0.38–1.16]

[0.66–0.80]

Attention Shift

13.95

15.22

2.27

0.27

0.58

 

[12.62–15.28]

[13.93–16.52]

p>0.1

[−0.15–0.67]

[0.50–0.66]

Attentive (% time)

60%

42%

19.28

0.87

0.73

 

[55–65%]

[35–49%]

p<0.0004

[0.49–1.33]

[0.62–0.83]

Distracted (% time)

16%

25%

4.78

0.54

0.65

 

[13–20%]

[19–31%]

p<0.05

[0.10–0.94]

[0.55–0.75]

Impulsive (% time)

23%

32%

7.41

0.51

0.62

 

[19–27%]

[26–39%]

p<0.02

[0.10–0.93]

[0.51–0.74]

Random (% time)

0.22%

0.76%

1.92

0.36

0.54

 

[0.0–0.4%]

[0.1–1.4%]

p>0.1

[−0.08–0.63]

[0.48–0.60]

Minimal (% time)

0.19%

0.99%

4.09

0.44

0.56

 

[0.0–0.5%]

[0.2–1.8%]

p<0.07

[−0.02–0.70]

[0.50–0.62]

  1. *Main effect of group. Effects of Age and Gender were not significant for any measure after correction for multiple comparisons.
  2. †q value = p value adjusted for multiple comparisons using the False Discovery Rate method of Benjamini and Hochberg.