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American Journal of Critical Care. 2007;16: 371-377
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Critical Care Nurses’ Knowledge of Evidence-Based Guidelines for Preventing Ventilator-Associated Pneumonia: An Evaluation Questionnaire

By S. Labeau, RN, MSc, D.M. Vandijck, RN, MSc, MA, B. Claes, RN, MSc, P. Van Aken, RN, MSc, S.I. Blot, RN, MSc, PhD on behalf of the executive board of the Flemish Society for Critical Care Nurses. S. Labeau is a PhD student in the Faculty of Healthcare, Ghent University College, Ghent, Belgium. D.M. Vandijck is a PhD student in the Intensive Care Department, Ghent University Hospital, and the Faculty of Medicine and Health Sciences, Ghent University. B. Claes is head of the ICU Nursing Department and P. Van Aken is director of the Nursing Department, University Hospital of Antwerp, Antwerp, Belgium. S.I. Blot is a researcher at Ghent University Hospital and a professor in the Faculty of Medicine and Health Sciences of Ghent University and at Ghent University College, Ghent, Belgium.

Corresponding author: Stijn Blot, PhD, Ghent University Hospital, Intensive Care Dept, De Pintelaan 185, 9000 Ghent, Belgium (e-mail: stijn.blot{at}UGent.be).

Background Nurses’ lack of knowledge may be a barrier to adherence to evidence-based guidelines for preventing ventilator-associated pneumonia.

Objective To develop a reliable and valid questionnaire for evaluating critical care nurses’ knowledge of evidence-based guidelines for preventing ventilator-associated pneumonia.

Methods Ten nursing-related interventions were identified from a review of evidence-based guidelines for preventing ventilator-associated pneumonia. Selected interventions and multiple-choice questions (1 question per intervention) were subjected to face and content validation. Item difficulty, item discrimination, and the quality of the response alternatives or options for answers (possible responses) were evaluated on the test results of 638 critical care nurses.

Results Face and content validity were achieved for 9 items. Values for item difficulty ranged from 0.1 to 0.9. Values for item discrimination ranged from 0.10 to 0.65. The quality of the response alternatives led to the detection of widespread misconceptions among critical care nurses.

Conclusion The questionnaire is reliable and has face and content validity. Results of surveys with this questionnaire can be used to focus educational programs on preventing ventilator-associated pneumonia.




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