Psychometric evaluation of the Chinese version of the hospital-acquired insomnia scale (HAIS) and analysis of influencing factors

Table 3 Item analysis for Chinese version of the Hospital-acquired Insomnia Scale (N = 679)

Itme	Critical Ratio	Corrected Item-Total Correlation	P-value	Cronbach’s Alpha if Item Deleted
1	21.128	0.653	＜ 0.001	0.909
2	24.647	0.666	＜ 0.001	0.909
3	23.325	0.658	＜ 0.001	0.909
4	21.740	0.637	＜ 0.001	0.909
5	19.673	0.616	＜ 0.001	0.910
6	18.969	0.558	＜ 0.001	0.911
7	21.101	0.660	＜ 0.001	0.909
8	20.809	0.642	＜ 0.001	0.909
9	18.583	0.583	＜ 0.001	0.911
10	19.853	0.610	＜ 0.001	0.910
11	23.158	0.672	＜ 0.001	0.908
12	22.898	0.617	＜ 0.001	0.910
13	16.045	0.526	＜ 0.001	0.912
14	14.188	0.502	＜ 0.001	0.913
15	15.031	0.492	＜ 0.001	0.913
16	12.454	0.430	＜ 0.001	0.914
17	14.947	0.502	＜ 0.001	0.913
18	15.379	0.471	＜ 0.001	0.914

ISSN: 1471-244X