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. 2024 May 29;23(1):136.
doi: 10.1186/s12904-024-01467-7.

Development and psychometric evaluation of the death risk perception scale for advanced cancer patients

Guojuan Chen #  1 , Xiaoling Zhang #  1 , Zhangxian Chen  2 , Shangwang Yang  3 , Jianwei Zheng  4 , Huimin Xiao  5   6
Affiliations

Development and psychometric evaluation of the death risk perception scale for advanced cancer patients

Guojuan Chen et al. BMC Palliat Care. .

Erratum in

Abstract

Background: An accurate perception of death risk is a prerequisite for advanced cancer patients to make informed end-of-life care decisions. However, there is to date no suitable scale to measure death risk perception. This study was to develop and psychometrically test the death risk perception scale (DRPS) for advanced cancer patients.

Methods: Process of instrument development and psychometric evaluation were used. First, qualitative research, a literature review, brainstorming, a Delphi study, and cognitive interviews were conducted to construct a pretest scale of death risk perception. Second, a scale-based survey was administered to 479 advanced cancer patients. Item, exploratory factor, and confirmatory factor analyses were employed to optimize the scale. The Cronbach's alpha was calculated as a reliability analysis. The validity analysis included construct, convergent, discriminant, and content validity values.

Results: A three-dimension, 12-item scale was developed, including deliberative, affective, and experiential risk perception. The confirmatory factor analysis supported the three-factor model with satisfactory convergent and discriminant validity levels. The Cronbach's alpha coefficient for internal consistency was 0.807 and scale-level content validity index was 0.98.

Conclusions: The 12-item DRPS is a reliable and valid instrument for assessing the level of death risk perception in advanced cancer patients. More studies are needed to examine its structure and robustness prior to use.

Keywords: Advanced cancer; Palliative care; Psychometrics; Risk perception.

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Conflict of interest statement

The authors declare no competing interests.

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