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Table 8 Correlations between the SDQ and ADHD-RS for each rater (Spearman’s rho)

From: Normative data and psychometric properties of the strengths and difficulties questionnaire among Japanese school-aged children

ADHD-RS

Parent rating (n = 41)

Teacher rating (n = 43)

SDQ

Inattention

Hyperactivity/impulsivity

Total

Inattention

Hyperactivity/impulsivity

Total

Total difficulties score

.76**

.67**

.77**

.73**

.65**

.74**

Emotional symptoms

.34*

.33*

.34*

.28

.17

.26

Conduct problems

.70**

.70**

.75**

.53**

.57**

.60**

Hyperactivity/inattention

.73**

.63**

.73**

.83**

.81**

.85**

Peer problems

.58**

.51**

.59**

.36*

.22

.33*

Prosocial behavior

-.29

-.26

-.31*

-.42**

-.86**

-.48**

  1. Note. SDQ, strengths and difficulties questionnaire. ADHD-RS: ADHD-Rating Scale-IV. The subsample from which parent ratings were obtained (n = 41) consisted of primary schoolchildren (25 boys, mean age 8.1 ± 1.5). The subsample from which teacher ratings were obtained (n = 43) consisted of primary schoolchildren (27 boys, mean age 8.1 ± 1.5). *p < 0.05, **p < 0.01.