Objective: Testing the psychometric properties of the Portuguese version of the Practice Environment Scale of the Nursing Work Index.
Method: A descriptive, analytical and cross-sectional study, for the cross-cultural adaptation and validation of the psychometric properties of the scale. The study participants were 236 nurses from two hospitals in the regions of Lisbon and Vale do Tejo.
Results: The 0.92 Cronbach's alpha was obtained for overall reliability and support of a five-dimension structure.
Conclusion: The excellent quality of adjustment of analysis confirms the validity of the adapted version to hospital care settings, although there was no total coincidence of items in the five dimensions