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Table 1 Associated features with ADHD for 2 groups

From: Sluggish cognitive tempo symptoms cooccurring with attention deficit hyperactivity disorder

Group

SCT scores <4

(n=211)

SCT scores ≥4

(n=136)

p

M/n

SD/%

M/n

SD/%

Gender

 Girl

93

44.1

80

58.8

0.007**

 Boy

118

55.9

56

41.2

 

Age at symptoms of ADHD recognized

6.86

2.01

7.28

2.29

.14

Age of ADHD diagnosis

7.59

1.76

8.11

2.13

.01*

Who noticed ADHD symptoms first

 Family

55 26.1

42 30.9

.23

 Teacher

81 38.4

47 34.6

 

 Together

73 34.6

46 33.9

 

Age of medication onset for ADHD

7.7

1.69

8.27

2.04

.006**

ADHD presentation

 Combined

141

66.8

77

56.6

<.05*

 Inattentive

67

31.8

59

43.4

<.05*

 Hyperactive/impulsive

3

1.4

0

0

<.05*

Comorbid psychopathology

 Yes

135

64

106

77.9

.006**

 No

76

36

30

22.1

 

Comorbid diagnosis

 Learning disorders

67

31.8

52

38.2

0.88

 ODD/CD

9

4.3

6

4.4

 

 Anxiety

14

6.6

12

8.8

 

 Depression

3

1.4

7

5.1

 

 Intellectual disability

34

16.1

24

17.6

 

 Other

8

3.8

5

3.6

 

Follow-up duration (years)

4.7

2.52

4.42

2.45

.3

  1. ADHD attention deficit hyperactivity disorder, ODD oppositional defiant disorder, CD conduct disorder
  2. *p <.05, **p <.01