Skip to main content

Table 4 Strengths and Difficulties Questionnaire (SDQ)

From: The impact of study design and diagnostic approach in a large multi-centre ADHD study: Part 2: Dimensional measures of psychopathology and intelligence

Effects of informant (with gender or status)°

 

Informant

Status × Informant

Gender × Informant

Status × Gender × Informant

 

Q

p

Q

p

Q

p

Q

p

CP

6.049

0.014

65.184

0.000

2.184

0.140

3.104

0.078

EP

12.008

0.001

41.739

0.000

0.745

0.388

2.344

0.126

H

2.601

0.107

8.616

0.003

0.308

0.579

0.211

0.646

PB

1.946

0.163

44.041

0.000

4.097

0.043

0.982

0.322

PP

0.347

0.556

0.308

0.579

2.976

0.085

0.466

0.495

AvP

3.897

0.049

31.646

0.000

0.002

0.964

2.336

0.127

  1. ° Results of robust between (status) by between (gender) by within (informant) ANOVA; dependent variables are adjusted for age; main effects of status and gender, and their interaction, are not shown
  2. CPConduct Problems
  3. EPEmotional Problems
  4. HHyperactivity
  5. PBProsocial Behaviour
  6. PPPeer Problems
  7. AvPAverage Problems
  8. QQ-statistic of robust between × between × within ANOVA