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Testing the psychometric properties of the Brisbane Practice Environment Measure using Exploratory Factor Analysis and Confirmatory Factor Analysis in an Australian registered nurse population

Authors

  • Carol Reid RN PhD,

    Lecturer, Nurse Researcher, Corresponding author
    1. Queensland University of Technology, Brisbane, Queensland, Australia
    2. Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
    • Correspondence: Carol Reid, Queensland University of Technology, Qld 4029, Australia. Email: c2.reid@qut.edu.au

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  • Mary Courtney RN PhD,

    Head
    1. School of Nursing, Midwifery and Paramedicine, Faculty of Health Sciences, Australian Catholic University, Brisbane, Queensland, Australia
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  • Debra Anderson RN PhD,

    Director of Research, Member
    1. School of Nursing, Queensland Institute of Technology, Brisbane, Queensland, Australia
    2. Institute of Health and Biomedical Innovation, Queensland Institute of Technology, Brisbane, Queensland, Australia
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  • Cameron Hurst PhD

    Associate Professor
    1. Biostatistics, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
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Abstract

A cross-sectional survey was conducted, and the construct validity and reliability of the Brisbane Practice Environment Measure in an Australian sample of registered nurses were examined. Nurses were randomly selected from the database of an Australian nursing organization. The original 33 items of the Brisbane Practice Environment Measure were utilized to inform the psychometric properties using confirmatory factor analysis. The Cronbach's alpha was 0.938 for the total scale and ranged 0.657–0.887 for the subscales. A five-factor structure of the measure was confirmed, χ2 = 944.622, (P < 0.01), χ2/d.f. ratio = 2.845, Tucker Lewis Index 0.929, Root Mean Square Error = 0.061 and Comparative Fit Index = 0.906. The selected 28 items of the measure proved reliable and valid in measuring effects of the practice environment upon Australian nurses. The implications are that regular measurement of the practice environment using these 28 items might assist in the development of strategies which might improve job satisfaction and retention of registered nurses in Australia.

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