Open Access, Peer-reviewed
pISSN 1225-9330
eISSN 2288-4955
    J Korean Acad Nurs Adm. 2015 Dec;21(5):542-551. Korean.
    Published online Dec 31, 2015.
    https://doi.org/10.11111/jkana.2015.21.5.542
    Copyright © 2015 Korean Academy of Nursing Administration
    Original Article

    Validity and Reliability of the Korean Version of the Expanded Nursing Stress Scale

    Kyoung Mi Kim,1 Kyoung A Nam,2 Eunhee Lee,2 and Geum Hee Jeong2
      • 1College of Nursing, Hanyang University, Korea.
      • 2Division of Nursing, Hallym University, Korea.
    • Corresponding author: Jeong, Geum Hee. Division of Nursing, Hallym University, 1 Hallymdaehak-gil, Chuncheon 200-702, Korea. Tel: +82-33-248-2713, Fax: +82-33-248-2734, Email: ghjeong@hallym.ac.kr
    Received October 25, 2015; Revised December 08, 2015; Accepted December 09, 2015.

    This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

    Abstract

    Purpose

    This study was done to evaluate validity and reliability of the Korean version of the expanded nursing stress scale (ENSS).

    Methods

    Forward-backward translation of ENSS from English to Korean was conducted. The translated instrument was pilot-tested and administrated to 285 nurses who worked in five general hospitals in Korea. Internal consistency reliability was assessed using Cronbach's α and composite reliability. Validity was evaluated through construct validity with confirmatory factor analysis, convergent and discriminant validity.

    Results

    The Korean version of ENSS showed a reliable internal consistency with Cronbach's α.95 and composite reliability .99. Model fit indexes for 46 items were validated by confirmatory factor analysis(goodness of fit index .82, Tucker-Lewis index .92, root mean square error of approximation .04), indicating suitable construct validity. Factor loading of the 48 items (.47~.88) and average variance extracted out of nine factors (.52~.71.) indicated satisfactory convergent validity. Some values of square of the correlation coefficient between factors (.12~.89) were higher than average variance extracted values of each factor (.52~.71) so that it partly satisfied discriminant validity.

    Conclusion

    Findings show that the Korean version ENSS has good reliability and suitable validity; therefore, can be used to assess and identify Korean nurses' job stress.

    Keywords
    Nurses; Psychological stress; Statistical factor analysis; Translations

    Tables

    Table 1
    Characteristics of Participants (N=285)

    Table 2
    Model Fitness Test Results from Confirmatory Factor Analysis (N=285)

    Table 3
    Factor Loading and AVE of ENSS (N=285)

    Table 4
    Intercorrelation with ENSS Subscales (N=285)

    Table 5
    Reliability of ENSS (N=285)

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    MeSH Terms
    Factor Analysis, Statistical
    Hospitals, General
    Korea
    Nursing*
    Reproducibility of Results*
    Stress, Psychological
    Translations
    Metrics
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    Tables
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