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Original Article
Construct Validity and Reliability of the Korean Version of the Practice Environment Scale of Nursing Work Index for Korean Nurses
Eunhee Cho, Mona Choi, Eun-Young Kim, Il Young Yoo, Nam-Ju Lee
Journal of Korean Academy of Nursing 2011;41(3):325-332.
DOI: https://doi.org/10.4040/jkan.2011.41.3.325
Published online: June 13, 2011

1Assistant Professor and Researcher, Nursing Policy Research Institute, Yonsei University College of Nursing, Seoul, Korea.

2Assistant Professor, Department of Nursing, Dong-A University, Busan, Korea.

3Professor and Researcher, Nursing Policy Institute, Yonsei University College of Nursing, Seoul, Korea.

4Assistant Professor and Researcher, Research Institute of Nursing Science, Seoul National University College of Nursing, Seoul, Korea.

Address reprint requests to: Kim, Eun-Young. Department of Nursing, Dong-A University, 3 Dongdaesin-dong, Seo-gu, Busan 602-714, Korea. Tel: +82-51-240-2785, Fax: +82-51-240-2920, eykim@dau.ac.kr
• Received: September 18, 2010   • Accepted: June 7, 2011

© 2011 Korean Society of Nursing Science

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  • Purpose
    To develop and test the validity and reliability of the Korean version of PES-NWI measuring nursing work environments in hospitals.
  • Methods
    The Korean version of the PES-NWI was developed through forward-backward translation techniques, and revision based on feedback from focus groups. An internal consistency reliability and construct validity using confirmatory factor analysis were conducted using SPSS WIN (16.0) and AMOS (18.0). Survey data were collected from 733 nurses who worked in three acute care hospitals in Seoul, South Korea.
  • Results
    The Korean version of PES-NWI showed reliable internal consistency with a Cronbach's alpha for the total scale of .93. Factor loadings of the 29 items on the five subscales ranged from .28 to .85. The five subscales model was validated by confirmatory factor analysis (RMR<.05, CFI>.9).
  • Conclusion
    The findings of this study demonstrate that the Korean version of PES-NWI has satisfactory construct validity and reliability to measure nursing work environments of hospitals in Korea.
  • Keywords: Professional practice; Reproducibility of results; Factor analysis; Statistical; Psychometrics
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Table 1
General Characteristics of Nurses (N=733)
jkan-41-325-i001.jpg

*Missing responses excluded; †Others included psychiatric (n=18), nursery (n=17), obstetrics and gynecology (n=14), delivery room (n=27), anesthesiology (n=10), dialysis unit (n=51), rehabilitation (n=12), outpatient (n=7), float pool/multiple units (n=8), and others (n=2).

BSN=bachelor of science in nursing.

Table 2
Model Fit Indices for PES-NWI Subscales from Confirmatory Factor Analysis
jkan-41-325-i002.jpg

*NA='not available' indicates the saturated state; PES-NWI=Practice Environment Scale of Nursing Work Index; PES_P=nurse participation in hospital affairs; PES_F=nursing foundations for quality of care; PES_M=nurse manager ability, leadership, and support of nurses; PES_S=staffing and resource adequacy; PES_R=collegial nurse-physician relations; RMR=root mean square residual; GFI=goodness of fit index; AGFI=adjusted goodness of fit index; NFI=normal fit index; CFI=comparative fit index.

Table 3
Summary of Confirmatory Factor Analysis of the PES-NWI
jkan-41-325-i003.jpg
Table 4
Model Fitness Test Results
jkan-41-325-i004.jpg

RMR=root mean square residual; GFI=goodness of fit index; AGFI=adjusted goodness of fit index; NFI=normal fit index; CFI=comparative fit index.

Table 5
Reliability Coefficients for PES-NWI Subscales
jkan-41-325-i005.jpg

PES-NWI=Practice Environment Scale of Nursing Work Index.

Figure & Data

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        Construct Validity and Reliability of the Korean Version of the Practice Environment Scale of Nursing Work Index for Korean Nurses
        J Korean Acad Nurs. 2011;41(3):325-332.   Published online June 13, 2011
        DOI: https://doi.org/10.4040/jkan.2011.41.3.325
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      Construct Validity and Reliability of the Korean Version of the Practice Environment Scale of Nursing Work Index for Korean Nurses
      Construct Validity and Reliability of the Korean Version of the Practice Environment Scale of Nursing Work Index for Korean Nurses

      General Characteristics of Nurses (N=733)

      *Missing responses excluded; †Others included psychiatric (n=18), nursery (n=17), obstetrics and gynecology (n=14), delivery room (n=27), anesthesiology (n=10), dialysis unit (n=51), rehabilitation (n=12), outpatient (n=7), float pool/multiple units (n=8), and others (n=2).

      BSN=bachelor of science in nursing.

      Model Fit Indices for PES-NWI Subscales from Confirmatory Factor Analysis

      *NA='not available' indicates the saturated state; PES-NWI=Practice Environment Scale of Nursing Work Index; PES_P=nurse participation in hospital affairs; PES_F=nursing foundations for quality of care; PES_M=nurse manager ability, leadership, and support of nurses; PES_S=staffing and resource adequacy; PES_R=collegial nurse-physician relations; RMR=root mean square residual; GFI=goodness of fit index; AGFI=adjusted goodness of fit index; NFI=normal fit index; CFI=comparative fit index.

      Summary of Confirmatory Factor Analysis of the PES-NWI

      Model Fitness Test Results

      RMR=root mean square residual; GFI=goodness of fit index; AGFI=adjusted goodness of fit index; NFI=normal fit index; CFI=comparative fit index.

      Reliability Coefficients for PES-NWI Subscales

      PES-NWI=Practice Environment Scale of Nursing Work Index.
      Table 1 General Characteristics of Nurses (N=733)

      *Missing responses excluded; †Others included psychiatric (n=18), nursery (n=17), obstetrics and gynecology (n=14), delivery room (n=27), anesthesiology (n=10), dialysis unit (n=51), rehabilitation (n=12), outpatient (n=7), float pool/multiple units (n=8), and others (n=2).

      BSN=bachelor of science in nursing.

      Table 2 Model Fit Indices for PES-NWI Subscales from Confirmatory Factor Analysis

      *NA='not available' indicates the saturated state; PES-NWI=Practice Environment Scale of Nursing Work Index; PES_P=nurse participation in hospital affairs; PES_F=nursing foundations for quality of care; PES_M=nurse manager ability, leadership, and support of nurses; PES_S=staffing and resource adequacy; PES_R=collegial nurse-physician relations; RMR=root mean square residual; GFI=goodness of fit index; AGFI=adjusted goodness of fit index; NFI=normal fit index; CFI=comparative fit index.

      Table 3 Summary of Confirmatory Factor Analysis of the PES-NWI

      Table 4 Model Fitness Test Results

      RMR=root mean square residual; GFI=goodness of fit index; AGFI=adjusted goodness of fit index; NFI=normal fit index; CFI=comparative fit index.

      Table 5 Reliability Coefficients for PES-NWI Subscales

      PES-NWI=Practice Environment Scale of Nursing Work Index.

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      Table 5

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