Self-efficacy of caring for patients in the intensive care unit with delirium: Development and validation of a scale for intensive care unit nurses |
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| Affiliation: | 1. School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan;2. Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan;3. School of Medicine, Chang Gung University, Taoyuan, Taiwan;4. Department of Thoracic and Cardiovascular Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan;5. Department of Emergency Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan;6. Department of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan;7. Department of Nursing, Chang Gung Memorial Hospital at Keelung, Keelung, Taiwan;8. Department of Thoracic and Cardiovascular Surgery, & Center for Big Data Analytics and Statistics, Chang Gung Memorial Hospital, Taoyuan, Taiwan;9. Department of Psychiatry, Chang Gung Memorial Hospital at Keelung, Keelung, Taiwan;1. Gold Coast Health, Southport Queensland, Australia;2. School of Nursing and Midwifery, Griffith University, Southport, Queensland, Australia;3. School of Nursing and Midwifery, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia;1. Department of Critical Care Medicine, Peking University First Hospital, Beijing, China;2. Special Geriatrics Department, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China;1. Nursing Care Research Center, Semnan University of Medical Sciences, Semnan, Iran;2. Department of Nursing, School of Nursing and Midwifery, Semnan University of Medical Sciences, Semnan, Iran;3. Student Research Committee, Semnan University of Medical Sciences, Semnan, Iran;4. Alzahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran;5. Nursing and Midwifery Care Research Center, Isfahan University of Medical Sciences, Isfahan, Iran;6. School of Nursing and Midwifery, Isfahan University of Medical Sciences, Isfahan, Iran;1. Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland, Australia;2. Adult Intensive Care Services, The Prince Charles Hospital, Brisbane, Queensland, Australia;3. Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia;4. Physiotherapy Department, The Prince Charles Hospital, Brisbane, Queensland, Australia;5. School of Dentistry, The University of Queensland, Brisbane, Queensland, Australia;6. Menzies Health Institute QLD, Griffith University, Gold Coast, Australia;7. QIMR Berghofer Medical Research Institute, Brisbane, Australia;8. Kawasaki University of Medical Welfare, Kawasaki, Japan;9. Kawasaki Medical School Hospital, Kawasaki, Japan;10. Saga University Hospital, Saga, Japan;11. Department of Emergency, Critical Care, and Disaster Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan;12. Department of Intensive Care, North Estonia Medical Centre, Tallinn, Estonia;13. Metro North Mental Health, Caboolture Hospital, Queensland, Australia;14. School of Clinical Science, Queensland University of Technology, Brisbane, Queensland, Australia;1. Griffith University, School of Nursing and Midwifery, Gold Coast Campus, Parklands Drive, Southport, Queensland, 4222, Australia;2. Griffith University, Griffith Law School, Law Futures Centre, Gold Coast Campus, Parklands Drive, Southport, Queensland, 4222, Australia;3. Gold Coast University Hospital, 1 Hospital Blvd, Southport, Queensland, 4215, Australia;4. Bond University, Faculty of Health Science and Medicine, 14 University Drive, Robina, Queensland, 4226, Australia;5. Griffith University, School of Medical Science, Nathan Campus, 170 Kessels Rd, Nathan, Queensland 4111, Australia;6. James Cook University, College of Medicine and Dentistry, 1 James Cook Drive, Douglas, Townsville, Queensland, 4810, Australia |
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| Abstract: | BackgroundImproving the self-efficacy of intensive care unit nurses for delirium care could help them adapt to the changing situation of delirium patients. Validated measures of nurses' self-efficacy of delirium care are lackingObjectivesThe objective of this study was to develop a Delirium Care Self-Efficacy Scale for assessing nurses' confidence about caring for patients in the intensive care unit and to examine the scale's psychometric properties.MethodsDraft scale items were generated from a review of relevant literature and face-to-face interviews with intensive care unit nurses; content validity was conducted with a panel of five experts in delirium. A group of nurses were recruited by convenience sampling from intensive care units (N = 299) for item analysis of the questionnaire, assessment of validity, and reliability of the scale. Nurse participants were recruited from nine adult critical care units affiliated with a hospital in Taiwan. Data were collected from August 2020 to July 2021.ResultsContent validity index was 0.98 for the initial 26 items, indicating good validity. The critical ratio for item discrimination was 14.47–19.29, and item-to-total correlations ranged from 0.67 to 0.81. Principal component analysis reduced items to 13 and extracted two factors, confidence in delirium assessment and confidence in delirium management, which explained 66.82% of the total variance. Cronbach's alpha for internal consistency was 0.94 with good test–retest reliability (r = 0.92). High scale scores among participants were significantly associated with age (≥40 years), work experience in an intensive care unit (≥10 years), delirium education, and willingness to use delirium assessment tools.ConclusionsThe newly developed Delirium Care Self-Efficacy Scale demonstrated acceptable reliability and validity as a measure of confidence for intensive care nurses caring for and managing patients with delirium in the intensive care unit. |
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| Keywords: | Delirium Intensive care unit Self-efficacy Instrument development Reliability Validity |
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