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Development, Reliability, and Validity of the Treatment Decision-Making Needs Assessment Scale for Chinese Cancer
Shuoning Fan1, Yingrui Yang1, Huiyu Liu2
1Department of Ophthalmology, Henan Provincial People's Hospital, Henan Provincial Key Laboratory of Nursing Medicine, People's Hospital of Zhengzhou University, Zhengzhou, People's Republic of China.
Purpose:
To construct a Treatment Decision-making Needs Assessment Scale for cancer patients in China.
Patients And Methods:
Referring to the Ottawa Decision Support Framework (ODSF), along with the literature review of domestic and international papers and the existing related scales, we constructed an item pool of the scale. The initial version of the scale was developed as expert correspondence. Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were performed in separate samples. The reliability and validity of the scale were tested by examining 407 cancer patients.
Results:
The Treatment Decision-making Needs Assessment Scale for cancer patients comprised three dimensions: Decision-making cognition, Disease knowledge, and Support and resource acquisition, and 15 items. The Cronbach's α coefficient of the total scale was 0.833, while the test-retest reliability was 0.856. The total content validity index was 0.906. Three factors were extracted using EFA, with a cumulative variance contribution rate of 66.82%. CFA indicated adequate model fit.
Conclusion:
The Treatment Decision-making Needs Assessment Scale for Chinese cancer patients demonstrates acceptable reliability and validity, and may be useful for measuring treatment-related decisional needs among Chinese cancer patients in clinical practice and future research.