Cross-cultural adaptation and validation of the Chinese version of the quality of communication questionnaire

Yuen, Jacqueline K.; Chan, Helen Y. L.; Chen, Tracy W. T.; Chu, Steven T.; Kwok, Annie O. L.; Leung, Doris Y. P.; Gill, Harinder S.; Tsang, Kwok-wai; Tse, Doris M. W.; Yap, Desmond Y. H.; Yip, Terence; Arnold, Robert M.

doi:10.1186/s12904-025-01786-3

BMC Palliative Care

Table 3 Principal component analyses for cancer, CKD, and combined samples

From: Cross-cultural adaptation and validation of the Chinese version of the quality of communication questionnaire

C-QOC item	Cancer			CKD			Combined
C-QOC item	Component 1	Component 2	Component 3	Component 1	Component 2	Component 3	Component 1	Component 2	Component 3
1. Using words you understand	0.733	0.130	0.174	0.634	0.122	0.213	0.684	0.122	0.191
2. Looking you in the eye	0.748	0.062	-0.027	0.699	0.131	0.131	0.724	0.074	0.064
3. Answering all your questions about your illness	0.750	0.153	0.071	0.574	0.298	0.057	0.657	0.205	0.082
4. Listening to what you have to say	0.951	0.048	0.022	0.894	0.152	0.031	0.924	0.101	0.029
5. Caring about you as a person	0.943	0.052	0.018	0.932	0.155	0.090	0.935	0.103	0.049
6. Giving full attention	0.666	0.132	0.100	0.884	0.202	0.123	0.735	0.170	0.094
7. Talking about your feelings about getting sicker	0.187	0.770	0.239	0.310	0.790	0.149	0.236	0.790	0.200
8. Talking about details if you got sicker	0.187	0.917	0.181	0.390	0.795	0.046	0.252	0.870	0.110
9. Talking to you about the trajectory of your illness	0.097	0.616	0.206	0.258	0.632	0.228	0.157	0.650	0.185
10. Talk about how long you have to live	0.030	0.426	0.389	0.043	0.668	0.380	0.036	0.553	0.344
11. Talking about what dying might be like	0.016	0.406	0.620	0.023	0.512	0.671	0.025	0.432	0.649
12. Involving you in treatment discussions about your care	0.016	0.210	0.539	0.105	0.338	0.523	0.069	0.187	0.553
13. Ask you about important things in life	0.138	0.194	0.733	0.206	0.109	0.870	0.171	0.121	0.816
14. Respecting important things in your life	0.165	0.278	0.689	0.082	0.112	0.743	0.128	0.178	0.727
15. Asking about spiritual or religious beliefs	0.003	0.045	0.821	0.148	0.121	0.809	0.060	0.100	0.801
16. Respecting your spiritual or religious beliefs	0.043	0.080	0.773	0.080	0.106	0.815	0.053	0.098	0.786
Mean Subscale Score (SD)	8.83 (1.26)	4.33 (3.36)	4.26 (3.53)	8.8 (1.36)	5.47 (3.31)	3.26 (3.72)	8.82 (1.3)	4.82 (3.37)	3.83 (3.63)

Note: Missing data handled by listwise deletion
C-QOC, Chinese version of Quality of Communication questionnaire; CKD, chronic kidney disease; SD, standard deviation
Component 1: General Communication Skills; Component 2: Communication about Illness Trajectory; Component 3: End-of-life Care Planning

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