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

Meng, Yanjun; Li, Yuling; Cao, Hongbao; Xu, Yong; Wang, Binquan

doi:10.1186/s12955-020-01399-9

Table 2 The results of PCC, EFA and IRT obtained from the 37 (initial version) and 18 (second version) items of IPEQ-1

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

Disorder	Item	PCC	EFA	IRT					PCC	EFA	IRT
Disorder	Item	Correlation coefficient	Factor loading	a	b₁	b₂	b₃	b₄	Correlation coefficient	Factor loading	a	b₁	b₂	b₃	b₄
Anxiety	1. Felt worried or nervous?	0.76^**	0.69	2.03	−1.29	−0.26	0.87	2.00	0.79^**	0.81	0.23	−3.81	1.68	10.38	28.72
	2. Felt afraid for no reason?	0.69^**	0.76	1.68	− 0.54	0.39	1.52	3.21	0.79^**	0.80	0.28	−4.74	−1.38	1.35	4.74
	3. Felt uneasy?	0.77^**	0.74	2.36	−1.00	−0.10	1.09	2.79	0.86^**	0.80	0.22	−6.87	−2.45	1.24	5.62
	4. Felt too unstable to calm down?	0.73^**	0.78	2.00	−0.83	0.04	1.15	2.95	0.82^**	0.73	1.42	−0.78	0.70	1.95	3.05
	5. Felt dizzy and had a headache?	0.61^**	0.42	1.32	−0.73	0.52	1.35	3.03
	6. Felt restless or had shaking hands and feet?	0.71^**	0.47	2.14	−0.41	0.39	1.18	1.89
	7. Felt chest tightness and shortness of breath?	0.71^**	0.79	1.26	−0.67	0.32	1.21	3.12
	8. Felt heart beating fast?	0.76^**	0.77	1.60	−0.52	0.61	1.18	3.34
	9. Felt muscle tension?	0.79^**	0.65	2.04	−0.21	0.54	1.43	2.94
	10. Felt pain?	0.71^**	0.74	1.19	−0.50	0.61	2.10	3.29
	11. Felt uncomfortable but didn’t know why?	0.74^**	0.55	1.80	−1.21	0.09	1.20	3.11	0.72^**	0.53	1.55	0.04	1.17	2.31	3.35
	12. Felt like you were dying?	0.65^**	0.56	3.18	−0.14	0.36	0.81	1.32
Depression	13. Felt unhappy?	0.77^**	0.61	3.20	−0.99	−0.19	0.54	1.43	0.71^**	0.64	1.99	−0.30	1.00	1.89	2.88
	14. Felt so depressed that nothing could make you happy?	0.79^**	0.53	3.38	−0.79	− 0.09	0.41	1.11	0.71^**	0.59	2.07	−0.18	1.01	2.09	3.48
	15. Felt depressed and hopeless?	0.83^**	0.47	4.02	−0.60	0.11	0.45	1.19
	16. Felt less interested in everyday activities?	0.80^**	0.72	3.80	−1.02	−0.14	0.39	1.25	0.78^**	0.73	2.08	−0.46	0.76	1.62	2.57
	17. Felt uninterested in any part of your daily routine?	0.77^**	0.77	3.52	−0.96	−0.11	0.45	1.27	0.85^**	0.79	2.14	−0.70	0.70	1.85	2.65
	18. Felt like you were not interested in doing anything?	0.80^**	0.65	3.77	−0.86	−0.12	0.29	1.23	0.83^**	0.75	2.42	−0.19	0.90	1.70	2.62
	19. Felt unable to proceed with daily tasks?	0.78^**	0.63	3.03	−1.21	−0.32	0.55	2.65	0.80^**	0.80	2.41	−0.55	0.70	1.82	2.70
	20. Felt tired and listless?	0.70^**	0.53	2.09	−1.55	−0.29	0.71	1.65	0.75^**	0.72	3.18	−0.39	0.68	1.55	2.25
	21. Felt loss of appetite or were unable to appreciate the deliciousness of food?	0.67^**	0.55	2.10	−0.86	0.03	1.02	1.61
	22. Had insomnia?	0.62^**	0.45	1.65	−0.89	0.24	1.23	2.45
	23. Felt easily angered?	0.64^**	0.48	1.72	−1.00	0.15	0.81	1.74
	24. Felt like you were causing a lot of trouble to others?	0.77^**	0.60	2.62	−1.28	−0.28	0.24	0.92	0.72^**	0.60	3.03	−0.26	0.79	1.53	2.11
	25. Felt like a useless person?	0.83^**	0.68	3.60	−0.71	−0.12	0.23	1.26	0.76^**	0.62	2.07	−0.82	0.55	1.43	2.36
	26. Felt inferior to everyone else?	0.76^**	0.75	2.56	−0.63	0.01	0.65	1.37
	27. Felt that your brain response was slow or your memory was poor?	0.68^**	0.73	1.90	−1.40	−0.24	0.72	2.15
	28. Felt unable to concentrate?	0.79^**	0.77	2.66	−1.00	−0.15	0.61	2.70
	29. Frequently drank alcohol or took addictive substances?	0.24^**	0.71	0.53	2.72	5.19	7.25	12.51
	30. Felt like crying for no reason?	0.62^**	0.48	1.96	−0.19	0.69	1.71	2.07
	31. Felt hyposexual?	0.55^**	0.57	1.44	−0.76	0.19	1.12	1.88
	32. Felt as though the day were passing as if it were a year?	0.78^**	0.57	3.81	−0.50	0.08	0.71	1.26
	33. Felt purposeless in life?	0.85^**	0.65	4.68	−0.53	0.05	0.58	1.12	0.86^**	0.62	1.84	−0.99	0.44	1.29	2.46
Suicidality	34. Felt life was meaningless?	0.87^**	0.56	5.08	−0.37	0.24	0.57	1.07
	35. Felt death would be a release?	0.92^**	0.62	3.68	−0.18	0.42	0.66	1.25	0.89^**	0.80	1.73	−0.67	0.58	1.63	2.41
	36. Had thoughts of ending your life?	0.90^**	0.74	2.91	0.12	0.69	1.47	2.62	0.86^**	0.87	2.25	−0.05	0.96	1.90	2.46
	37. Self-harmed or performed suicidal behavior?	0.78^**	0.79	2.23	0.49	0.94	1.26	1.59	0.74^**	0.80	2.51	0.16	1.09	1.79	3.12

^**. Correlation is significant at the 0.01 level (2-tailed)

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