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Psychometric evaluation of the Japanese 9-Item Shared Decision-Making Questionnaire and its association with decision conflict and patient factors in Japanese primary care

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Psychometric evaluation of the Japanese 9-Item Shared Decision-Making Questionnaire and its association with decision conflict and patient factors in Japanese primary care. / Goto, Yuko; Miura, Hisayuki; Son, Daisuke; Arai, Hidenori; Kriston, Levente; Scholl, Isabelle; Härter, Martin; Sato, Kotaro; Kusaba, Tesshu.

In: JMA Journal, Vol. 3, No. 3, 15.07.2020, p. 208-215.

Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

Harvard

Goto, Y, Miura, H, Son, D, Arai, H, Kriston, L, Scholl, I, Härter, M, Sato, K & Kusaba, T 2020, 'Psychometric evaluation of the Japanese 9-Item Shared Decision-Making Questionnaire and its association with decision conflict and patient factors in Japanese primary care', JMA Journal, vol. 3, no. 3, pp. 208-215. https://doi.org/DOI: 10.31662/jmaj.2019-0069

APA

Goto, Y., Miura, H., Son, D., Arai, H., Kriston, L., Scholl, I., Härter, M., Sato, K., & Kusaba, T. (2020). Psychometric evaluation of the Japanese 9-Item Shared Decision-Making Questionnaire and its association with decision conflict and patient factors in Japanese primary care. JMA Journal, 3(3), 208-215. https://doi.org/DOI: 10.31662/jmaj.2019-0069

Vancouver

Goto Y, Miura H, Son D, Arai H, Kriston L, Scholl I et al. Psychometric evaluation of the Japanese 9-Item Shared Decision-Making Questionnaire and its association with decision conflict and patient factors in Japanese primary care. JMA Journal. 2020 Jul 15;3(3):208-215. https://doi.org/DOI: 10.31662/jmaj.2019-0069

Bibtex

@article{c8ad4bc357084d399258d997b4f06663,
title = "Psychometric evaluation of the Japanese 9-Item Shared Decision-Making Questionnaire and its association with decision conflict and patient factors in Japanese primary care",
abstract = "Introduction: This study aimed to verify the internal consistency and validity of the Japanese version of the 9-item Shared Decision-Making Questionnaire (SDM-Q-9) and investigate the association among patient factors, shared decision-making experienced by patients, and patients' decision conflict during the treatment decision process in primary outpatient settings in Japan.Methods: Patients who visited a primary care outpatient unit for the first time and completed the Japanese version of SDM-Q-9 and the Decisional Conflict Scale (DCS) immediately after consultation were included. The internal consistency of SDM-Q-9 was assessed using Cronbach's alpha coefficient. Factor analysis and structural equation modeling were used to investigate structural construct validity. The relationship among patient-perceived experiences of shared decision-making, decision conflict, and patient factors was evaluated using correlation analysis.Results: A total of 131 patients with chronic diseases (55.0% females, 28.2% aged ≥ 70 years) were included in this analysis. Cronbach's alpha for the Japanese version of SDM-Q-9 was 0.917, indicating a high degree of internal consistency. Confirmatory factor analysis indicated that the Japanese version of SDM-Q-9 had a one-factor structure. Spearman's rank correlation analysis indicated that the correlation between SDM-Q-9 and DCS was -0.577 (p < 0.05), indicating a significant inverse correlation and convergent validity. Older age was positively associated with perceived support of the physician in understanding all information.Conclusions: We confirmed that the Japanese version of SDM-Q-9 was both reliable and valid for use in Japanese primary care settings. In addition, we found a clear association between shared decision-making and decisional conflict of patients.",
author = "Yuko Goto and Hisayuki Miura and Daisuke Son and Hidenori Arai and Levente Kriston and Isabelle Scholl and Martin H{\"a}rter and Kotaro Sato and Tesshu Kusaba",
note = "Copyright {\textcopyright} Japan Medical Association.",
year = "2020",
month = jul,
day = "15",
doi = "DOI: 10.31662/jmaj.2019-0069",
language = "English",
volume = "3",
pages = "208--215",
journal = "JMA Journal",
issn = "2433-328X",
number = "3",

}

RIS

TY - JOUR

T1 - Psychometric evaluation of the Japanese 9-Item Shared Decision-Making Questionnaire and its association with decision conflict and patient factors in Japanese primary care

AU - Goto, Yuko

AU - Miura, Hisayuki

AU - Son, Daisuke

AU - Arai, Hidenori

AU - Kriston, Levente

AU - Scholl, Isabelle

AU - Härter, Martin

AU - Sato, Kotaro

AU - Kusaba, Tesshu

N1 - Copyright © Japan Medical Association.

PY - 2020/7/15

Y1 - 2020/7/15

N2 - Introduction: This study aimed to verify the internal consistency and validity of the Japanese version of the 9-item Shared Decision-Making Questionnaire (SDM-Q-9) and investigate the association among patient factors, shared decision-making experienced by patients, and patients' decision conflict during the treatment decision process in primary outpatient settings in Japan.Methods: Patients who visited a primary care outpatient unit for the first time and completed the Japanese version of SDM-Q-9 and the Decisional Conflict Scale (DCS) immediately after consultation were included. The internal consistency of SDM-Q-9 was assessed using Cronbach's alpha coefficient. Factor analysis and structural equation modeling were used to investigate structural construct validity. The relationship among patient-perceived experiences of shared decision-making, decision conflict, and patient factors was evaluated using correlation analysis.Results: A total of 131 patients with chronic diseases (55.0% females, 28.2% aged ≥ 70 years) were included in this analysis. Cronbach's alpha for the Japanese version of SDM-Q-9 was 0.917, indicating a high degree of internal consistency. Confirmatory factor analysis indicated that the Japanese version of SDM-Q-9 had a one-factor structure. Spearman's rank correlation analysis indicated that the correlation between SDM-Q-9 and DCS was -0.577 (p < 0.05), indicating a significant inverse correlation and convergent validity. Older age was positively associated with perceived support of the physician in understanding all information.Conclusions: We confirmed that the Japanese version of SDM-Q-9 was both reliable and valid for use in Japanese primary care settings. In addition, we found a clear association between shared decision-making and decisional conflict of patients.

AB - Introduction: This study aimed to verify the internal consistency and validity of the Japanese version of the 9-item Shared Decision-Making Questionnaire (SDM-Q-9) and investigate the association among patient factors, shared decision-making experienced by patients, and patients' decision conflict during the treatment decision process in primary outpatient settings in Japan.Methods: Patients who visited a primary care outpatient unit for the first time and completed the Japanese version of SDM-Q-9 and the Decisional Conflict Scale (DCS) immediately after consultation were included. The internal consistency of SDM-Q-9 was assessed using Cronbach's alpha coefficient. Factor analysis and structural equation modeling were used to investigate structural construct validity. The relationship among patient-perceived experiences of shared decision-making, decision conflict, and patient factors was evaluated using correlation analysis.Results: A total of 131 patients with chronic diseases (55.0% females, 28.2% aged ≥ 70 years) were included in this analysis. Cronbach's alpha for the Japanese version of SDM-Q-9 was 0.917, indicating a high degree of internal consistency. Confirmatory factor analysis indicated that the Japanese version of SDM-Q-9 had a one-factor structure. Spearman's rank correlation analysis indicated that the correlation between SDM-Q-9 and DCS was -0.577 (p < 0.05), indicating a significant inverse correlation and convergent validity. Older age was positively associated with perceived support of the physician in understanding all information.Conclusions: We confirmed that the Japanese version of SDM-Q-9 was both reliable and valid for use in Japanese primary care settings. In addition, we found a clear association between shared decision-making and decisional conflict of patients.

U2 - DOI: 10.31662/jmaj.2019-0069

DO - DOI: 10.31662/jmaj.2019-0069

M3 - SCORING: Journal article

C2 - 33150255

VL - 3

SP - 208

EP - 215

JO - JMA Journal

JF - JMA Journal

SN - 2433-328X

IS - 3

ER -