Validating patient and physician versions of the shared decision making questionnaire in oncology setting

Babak Nejati, Chien Chin Lin, Vida Imani, Maria Browall, Chung Ying Lin, Anders Broström, Amir H. Pakpour

研究成果: Article同行評審

15 引文 斯高帕斯(Scopus)

摘要

Background: This study investigated the psychometric properties of the 9-Item Shared Decision-Making Questionnaire (SDM-Q-9) and the 9-Item Shared Decision-Making Questionnaire-Physician version (SDM-Q-Doc) using comprehensive and thorough psychometric methods in an oncology setting. Methods: Cancer survivors (n = 1783; 928 [52.05%] males) and physicians (n=154; 121 [78.58%] males) participated in this study. Each cancer survivor completed the SDM-Q-9. Physicians completed the SDM-Q-Doc for each of their cancer patient. Confirmatory factor analysis (CFA) and Rasch model were used to test the psychometric properties of SDM-Q-9 and SDM-Q-Doc. Results: SDM-Q-9 and SDM-Q-Doc demonstrated unidimensional structure in CFA and Rasch model. In addition, the measurement invariance was supported for both SDM-Q-9 and SDM-Q-Doc across sex using the multigroup CFA. Rash analysis indicates no differential item functioning (DIF)across sex for all the SDM-Q-9 and SDM-Q-Doc items. SDM-Q-9 and SDM-Q-Doc were moderately correlated (r = 0.41; P< 0.001). Conclusion: SDM-Q-9 and SDM-Q-Doc are valid instruments to assess shared decision making in the oncology setting.

原文English
頁(從 - 到)105-114
頁數10
期刊Health Promotion Perspectives
9
發行號2
DOIs
出版狀態Published - 2019

All Science Journal Classification (ASJC) codes

  • 健康(社會科學)
  • 教育
  • 公共衛生、環境和職業健康

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