Development of two psychological experience questionnaires for screening violence-related mental health disorders of non-psychiatric inpatients

Table 4 Cronbach’s alpha coefficient and correlation coefficient of test-retest reliability obtained from two IPEQs

Questionnaire	Disorder	The number of items	Cronbach’s alpha coefficient	Correlation coefficient
IPEQ-1	Anxiety	4	0.85	0.94^**
	Depression	4	0.86	0.91^**
	Suicidality	4	0.83	0.86^**
	total	12	0.91	0.95^**
IPEQ-2	Paranoid personality disorder	4	0.60	0.81^**
	Emotionally unstable personality disorder	4	0.64	0.79^**
	Histrionic personality disorder	4	0.63	0.82^**
	total	12	0.78	0.87^**

ISSN: 1477-7525