Table 3 The three-factor model of Confirmatory Factor Analysis of the ADHD DSM-V Checklist

Inattentiveness added items

ADHD- item 1- makes careless mistakes

.49

ADHD- item 2- sustaining attention

.71

ADHD- item 3- listening when spoken to

.52

ADHD- item 4- follows instructions

.72

ADHD- Item 5- organizing tasks

.82

ADHD-Item 6 - sustained mental effort

.67

ADHD- item 7- loses things

.57

ADHD- item 8- distracted by extraneous stimuli

.63

ADHD- item 9- forgetful in daily activities

.56

ADHD- item10- fidgets with hands

.65

ADHD- item11- leaves seat in classroom

.74

ADHD- item 12- runs about

.73

ADHD- item 13- playing or leisure activities

.86

ADHD- item 14- often "on the go"

.83

ADHD- item 15- talks excessively

.78

ADHD- item 16- blurts out answers

.71

ADHD- item 17- awaiting turn

.78

ADHD- item 18- interrupts or intrudes on others

.74

ADHD- item 19- act without thinking

.63

ADHD- item 20- impatient

.80

ADHD- item 21- uncomfortable doing things slowly and systematically

.78

ADHD- item 22- difficult to resist temptations or opportunities

.66