Table 4.

Parent–teacher kappa coefficient on the Strengths and Difficulties Questionnaire internalizing caseness and externalizing caseness

Country	Internalizing with impact	Externalizing with impact
	Kappa coefficient (95% confidence interval)	Kappa coefficient (95% confidence interval)
Italy	.44 (.22–.66)	.44 (.30–.59)
Netherlands	.30 (.13–.47)	.36 (.20–.52)
Germany	.11 (−.06–.29)	.37 (.20–.53)
Lithuania	.03 (−.05–.10)	.30 (.21–.40)
Romania	.12 (.00–.23)	.19 (.09–.30)
Bulgaria	.10 (−.02–.21)	.22 (.11–0.33)
Turkey	.01 (−.09–.11)	.24 (.08–.40)
Total	.13 (0.08–.18)	.30 (.25–.34)