Job retention and nursing practice environment of hospital nurses in Japan Applying the Japanese version of the Practice Environment Scale of the Nursing Work Index (PES–NWI)

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  • 病棟に勤務する看護職の就業継続意向と看護実践環境との関連　The Practice Environment Scale of the Nursing Work Index (PES–NWI）日本語版の応用
  • ビョウトウ ニ キンム スル カンゴショク ノ シュウギョウ ケイゾク イコウ ト カンゴ ジッセン カンキョウ ト ノ カンレン The Practice Environment Scale of the Nursing Work Index PES NWI ニホンゴバン ノ オウヨウ

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Objectives The purpose of this study was to examine how the nursing practice environment affects job retention and the turnover rate among hospital nurses. The Practice Environment Scale of the Nursing Work Index (PES–NWI) was applied to investigate the nurse working environment from the viewpoint of hospital nurses in Japan.<br/>Methods A postal mail survey was conducted using the PES–NWI questionnaire targeting 2,211 nurses who were working at 91 wards in 5 hospitals situated in the Tokyo metropolitan area from February to March in 2008. In the questionnaire, hospital nurses were asked about characteristics such as sex, age and work experience as a nurse, whether they would work at the same hospital in the next year, the 31 items of the PES–NWI and job satisfaction. Nurse managers were asked to provide staff numbers to calculate the turnover rate of each ward. Logistic regression analyses were carried out, with “intention to retain or leave the workplace next year” as the dependent variable, with composite and 5 sub-scale scores of the PES–NWI and nurse characteristics as independent variables. Correlation coefficients were calculated to investigate the relationship between nurse turnover rates and nursing practice environments.<br/>Results A total of 1,067 full-time nurses (48.3%) from 5 hospitals responded. Almost all of them were women (95.9%), with an average age of 29.2 years old. They had an average of 7.0 years total work experience in hospitals and 5.8 years of experience at their current hospital. Cronbach's alpha coefficients were 0.75 for composite of the PES–NWI, and 0.77–0.85 for the sub-scales. All correlation coefficients between PES–NWI and job satisfaction were significant (P<0.01). In the logistic regression analysis, a composite of PES–NWI, “Nurse Manager's Ability, Leadership, and Support of Nurses” and “Staffing and Resource Adequacy” among the 5 sub-scales correlated with the intention of nurses to stay on (P<0.05). The means for turnover rate were 10.4% for nurses and 17.6% for newly hired nurses. These rates were significantly correlated to the composite and some sub-scales of the PES–NWI.<br/>Conclusion The working environment for nurses is important in retaining nurses working at hospitals. We confirmed the reliability and the validity of the PES–NWI scale based on the magnitude of the Cronbach's alpha coefficient and correlation coefficient between the PES–NWI scale and job satisfaction in this study.

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