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Table 1 Means and standard deviations for age, IQ, maternal education and parent-reported symptoms from PAPA (N = 1134)

From: Parent ratings of executive function in young preschool children with symptoms of attention-deficit/-hyperactivity disorder

 

M

SD

Range

 Age (Months)

41.8

1.3

37-47

 IQ

101.8

9.2

70-130

 Maternal education (Years)

15.3

2.3

9-18

PAPA symptom load

   

 ADHD

4.0

3.9

0-18

 ODD

1.5

1.5

0-8

 Anxiety

0.8

1.2

0-8

  1. Note: IQ = Abbreviated IQ from Stanford Binet 5th Edition. PAPA = Preschool Age Psychiatric Assessment interview. PAPA Symptom load = Number of symptoms reported in the clinical parent interview.