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Table 1 Means, Standard Deviations, and t-Tests for Age, IQ, and Questionnaire Scores

From: Moment-to-moment dynamics of ADHD behaviour

Groups

Measure

ADHD group

N = 15

Normal controls

N = 13

Group Comparison f

 

Mean

SD

Mean

SD

 

Age yr:mo (SD in mo)

7:6

9,5

7:10

9,4

p > .282, n.s.

- range yr : mo

6:2 – 8:9

6:4 – 9:0

 

IQ Full scale WISC-R

104.5a

10.5

114.5

12.5

p < .04

DBRSc Teacher

     

- inattention items

16.1

6.5

3.0

2.5

p < .001

- hyperactive/impulsive

18.4

8.0

2.0

2.5

p < .001

DBRSc Parents

     

- inattention items

16.7

6.0

4.1

2.1

p < .001

- hyperactive/impulsive

17.4

4.4

3.0

2.7

p < .001

CBCL d

     

- externalised T-score

68.2

8.9

38.9

7.5

p < .001

- internalised T-score

57.2

9.5

40.0

5.7

p < .001

- attention factor T-score

63.8

9.9

51.1

2.1

p < .001

TRF e

     

- externalised T-score

69.5b

10.9

46.1

6.8

p < .001

- internalised T-score

57.5b

9.5

45.0

7.2

p < .001

- attention factor T-score

60.5b

6.5

50.4

1.0

p < .001

  1. aOne case missing
  2. bTwo cases missing
  3. cDisruptive Behaviour Rating Scale [16]
  4. dChild Behaviour Checklist – parent form [30].
  5. eTeacher Report Form [30].
  6. fTwo-tailed t-test for equality of means. Bonferroni adjustment of the p-level is set to p = .039. Results are highlighted after Bonferroni adjustment
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Behavioral and Brain Functions

ISSN: 1744-9081

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