Table 6.

Percentage of examinations resulting in an optimal rating by PCH professionals on nine questions on usability, by questionnaire used

	PSYBOBA	PSC	SDQ
	%	%	%
All items answered	97	88	87
Not irritating at all for the parent	53	57	62
Fully understood	65	62	69
Questionnaire led parents to reflection of the child's mental health	10	8	9
Calculation of scales scores: not difficult	75	98	29
Calculation of scale scores not time consuming	71	88	11
Conversation, based on questionnaire, with parents was useful	11	11	18
Questionnaire covered all parents perceived problems	80	90	87
Questionnaire covered all problems perceived by PCH professional	78	84	78
Mean no of optimal ratings (st. dev)	5.6 (1.6)	6.0 (1.1)	4.5 (1.5)
No of exams	70	81	78