Comparing three short questionnaires to detect psychosocial dysfunction among primary school children: a randomized method

Table 5 Parents rating of the length and difficulty of the questionnaires, and percentage of parents with criticisms

	PSYBOBA	PSC	SDQ	Significance⁺
	n = 796	n = 815	n = 814
Response rate	84%	84%	87%	**
Mean n unanswered items†	0.06	0.18	0.05	***
parents rating: not too long (vs. (too) long)	88%	80%	81%	****
parents rating: (very) easy (vs. (very) difficult, not difficult/not easy)	69%	59%	66%	*
Parents having critical remarks	9%	20%	10%	***

+: p < 0.05; **: p < 0.01; *** p < 0.001
†: Corrected for total number of items in each questionnaire; standardized for 25 items

ISSN: 1471-2458