Kae Hwa Jo

doi:10.4040/jkan.2012.42.4.453

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Original Article
Development and Evaluation of Shared Medical Decision-Making Scale for End-of-Life Patients in Korea: Kae Hwa Jo; Journal of Korean Academy of Nursing 2012;42(4):453-465.
DOI: https://doi.org/10.4040/jkan.2012.42.4.453
Published online: August 31, 2012

Catholic University of Daegu, College of Nursing, Daegu, Korea.

Address reprint requests to: Jo, Kae Hwa. College of Nursing, Catholic University of Daegu, 3056-6 Daemyung 4-dong, Nam-gu, Daegu 705-718, Korea. Tel: +82-53-650-4825, Fax: +82-53-650-4392, jokw@cu.ac.kr

• Received: January 11, 2012 • Accepted: July 9, 2012

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Abstract
NOTES
REFERENCES

Abstract

Purpose
The study was done to develop a shared decision-making scale for end-of-life patients in Korea.
Methods
The process included construction of a conceptual framework, generation of initial items, verification of content validity, selection of secondary items, preliminary study, and extraction of final items. The participants were 388 adults who lived in one of 3 Korean metropolitan cities: Seoul, Daegu, or Busan. Item analysis, factor analysis, criterion related validity, and internal consistency were used to analyze the data. Data collection was done from July to October 2011.
Results
Thirty-four items were selected for the final scale, and categorized into 7 factors explaining 61.9% of the total variance. The factors were labeled as sharing information (9 items), constructing system (7 items), explanation as a duty (5 items), autonomy (4 items), capturing time (3 items), participation of family (3 items), and human respect (3 items). The scores for the scale were significantly correlated among shared decision-making scale, terminating life support scale, and dignified dying scale. Cronbach's alpha coefficient for the 34 items was .94.
Conclusion
The above findings indicate that the shared decision-making scale has a good validity and reliability when used for end-of-life patients in Korea.
Keywords: Medical; Decision-Making; Scale; End-of-Life; Korea

This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2011-0004953).

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Figure 1

Conceptual framework of SDM for the patient in end-of-life.

Table 1

Item Analysis (N=388)

Item deleted by item analysis.

Table 2

Factor Analysis and Reliability (N=388)

Kaiser-Meyer-Olkin (KMO)=.94; Bartlett's test of sphericity: χ²=10,388.58; p<.001; Cronbach's α=.94.

Table 3

Correlation among Shared Decision Making Scale, Terminating Life Support Scale, and Dignified Dying Scale (N=388)

SDM=Shared decision making.

Figure & Data

REFERENCES

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Development and Evaluation of Shared Medical Decision-Making Scale for End-of-Life Patients in Korea

J Korean Acad Nurs. 2012;42(4):453-465. Published online August 31, 2012

DOI: https://doi.org/10.4040/jkan.2012.42.4.453

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Development and Evaluation of Shared Medical Decision-Making Scale for End-of-Life Patients in Korea

Figure 1 Conceptual framework of SDM for the patient in end-of-life.

Figure 1

Development and Evaluation of Shared Medical Decision-Making Scale for End-of-Life Patients in Korea

Table 1

Item Analysis (N=388)

Item deleted by item analysis.

Table 2

Factor Analysis and Reliability (N=388)

Kaiser-Meyer-Olkin (KMO)=.94; Bartlett's test of sphericity: χ²=10,388.58; p<.001; Cronbach's α=.94.

Table 3

Correlation among Shared Decision Making Scale, Terminating Life Support Scale, and Dignified Dying Scale (N=388)

SDM=Shared decision making.

Table 1 Item Analysis (N=388)

Item deleted by item analysis.

Table 2 Factor Analysis and Reliability (N=388)

Kaiser-Meyer-Olkin (KMO)=.94; Bartlett's test of sphericity: χ²=10,388.58; p<.001; Cronbach's α=.94.

Table 3 Correlation among Shared Decision Making Scale, Terminating Life Support Scale, and Dignified Dying Scale (N=388)

SDM=Shared decision making.