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Psychometric properties of the Nursing Intensive Care Satisfaction Scale: A multicentre cross-sectional study

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Background: Patient satisfaction with nursing care is an indicator of patient satisfaction with the hospital stay in general. The Nursing Intensive Care Satisfaction Scale is the only scale about patient satisfaction with nursing care received in an intensive care unit that incorporates the critically ill patient's perspective into its design and validation. We validated the scale nationally, incorporating intensive care units at public and private hospitals of different levels of complexity in Spain.Objectives: The objective of this study was to validate in Spanish intensive care units the Nursing Intensive Care Satisfaction Scale, a patient-centred questionnaire that evaluates recently discharged intensive care patients' satisfaction with the nursing care they received.Design: We used a psychometric quantitative methodology and a descriptive cross-sectional design.Setting and participants: The study was conducted in intensive care units at level II and III public and private hospitals throughout Spain. The study population was all patients discharged from intensive care units from December 2018 to December 2019 from the 19 participating hospitals. We used consecutive sampling until reaching a sample size of 677 patients. The assessment instruments were given to patients at discharge and 48 h later to measure temporal stability.Methods: The validation process included the analysis of internal consistency (Cronbach's a coefficient), temporal stability (test-retest), construct validity through a confirmatory factor analysis, and criterion validity using the Pearson correlation coefficient and three criterion items that assessed similar constructs.Results: The reliability of the scale was 0.97, and the factors obtained values between 0.87 and 0.96. The intraclass correlation coefficient for the total scale was 0.83, indicating good temporal stability. Construct validity showed a good fit and a four-factor structure, in accordance with the theoretical model. Criterion validity presented a correlation that was between moderate and high (range: 0.46 to 0.57).Conclusions: The Nursing Intensive Care Satisfaction Scale has good psychometric properties, demonstratingits ability to accurately measure patient satisfaction across a range of contexts in Spain.Continuous monitoring of satisfaction will allow nurses to identify areas for improvement that can increase the quality of care.

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cc-by-nc-nd (c) Australian College of Critical Care Nurses(ACCCN), 2023

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Articles publicats en revistes (Infermeria Fonamental i Clínica)

# metadata.dc.title[].value
Psychometric properties of the Nursing Intensive Care Satisfaction Scale: A multicentre cross-sectional study