Table 2.
Psychometric assessment and construction validity.
| Dimensions and items | Factors | Critical ratio (t) | ITC | Commonality | Cronbach's α | MIIC | ||
|---|---|---|---|---|---|---|---|---|
| Coefficient | ||||||||
| 1 | 2 | 3 | 0.99 | |||||
| Dimension 1 Knowledge and skills | 0.98 | 0.71 | ||||||
| 28. Trauma treatment process and nursing cooperation | 0.82 | 0.35 | 0.17 | 26.15** | 0.84 | 0.83 | ||
| 13. Emergency measures and nursing care of trauma hemostatic | 0.82 | 0.29 | 0.22 | 23.95** | 0.81 | 0.80 | ||
| 27. Trauma patient transport technique | 0.81 | 0.36 | 0.16 | 27.46** | 0.83 | 0.82 | ||
| 29. Airway management and respiratory support | 0.81 | 0.35 | 0.13 | 25.37** | 0.81 | 0.81 | ||
| 15. Care of trauma complications | 0.80 | 0.34 | 0.23 | 25.55** | 0.84 | 0.83 | ||
| 12. Observation and nursing of multiple injuries | 0.79 | 0.32 | 0.23 | 23.20** | 0.82 | 0.79 | ||
| 26. On-site first aid technique for trauma | 0.79 | 0.39 | 0.15 | 28.13** | 0.83 | 0.79 | ||
| 25. Injury assessment and triage | 0.77 | 0.36 | 0.14 | 26.08** | 0.81 | 0.75 | ||
| 10. Traumatic shock assessment monitoring and resuscitation | 0.77 | 0.26 | 0.20 | 20.48** | 0.76 | 0.70 | ||
| 33. Methods of using assistive tools for trauma patients | 0.75 | 0.42 | 0.12 | 26.23** | 0.82 | 0.75 | ||
| 9. Trauma assessment methods | 0.74 | 0.29 | 0.18 | 22.76** | 0.76 | 0.70 | ||
| 14. Management of nursing care before emergency trauma surgery | 0.73 | 0.33 | 0.23 | 22.45** | 0.79 | 0.70 | ||
| 11. Evaluation and treatment technology of traumatic triad (hypothermia, acidosis and coagulation disorders) | 0.73 | 0.33 | 0.26 | 24.41** | 0.80 | 0.72 | ||
| 16. Prevention and control of trauma infection | 0.73 | 0.42 | 0.19 | 28.24** | 0.84 | 0.80 | ||
| 32. Pipeline observation and nursing | 0.72 | 0.39 | 0.19 | 26.23** | 0.80 | 0.74 | ||
| 30. Establishment of venous access and fluid resuscitation | 0.71 | 0.35 | 0.22 | 19.98** | 0.76 | 0.74 | ||
| 17. Assessment and management of post-traumatic pain | 0.70 | 0.42 | 0.23 | 25.24** | 0.83 | 0.76 | ||
| 8. Injury mechanism | 0.67 | 0.37 | 0.18 | 23.63** | 0.76 | 0.67 | ||
| 31. Emergency trauma surgery nursing cooperation | 0.62 | 0.44 | 0.14 | 20.24** | 0.75 | 0.61 | ||
| 19. Burn and various wound care | 0.61 | 0.41 | 0.16 | 25.99** | 0.76 | 0.69 | ||
| 21. Trauma rehabilitation technique | 0.60 | 0.43 | 0.09 | 22.76** | 0.72 | 0.73 | ||
| Dimension 2 Comprehensive literacy | 0.98 | 0.73 | ||||||
| 59. Using critical thinking to analyze trauma data to improve the quality of trauma care | 0.36 | 0.81 | 0.15 | 28.75** | 0.84 | 0.82 | ||
| 58. Provide personalized and differentiated care for trauma patients | 0.38 | 0.79 | 0.24 | 35.79** | 0.87 | 0.84 | ||
| 60. Application of nursing procedures to provide care for trauma patients and their families | 0.37 | 0.79 | 0.20 | 29.84** | 0.84 | 0.84 | ||
| 55. Understand the learning needs of the trainee and give the standard guidance | 0.36 | 0.78 | 0.17 | 27.29** | 0.81 | 0.77 | ||
| 44. Actively participate in making department plans | 0.30 | 0.78 | 0.15 | 27.29** | 0.77 | 0.73 | ||
| 53. Understand the learning needs of junior nurses and give guidance to them | 0.38 | 0.77 | 0.21 | 31.98** | 0.84 | 0.80 | ||
| 51. Understand the needs of trauma patients and their families, and give professional intervention and guidance | 0.38 | 0.77 | 0.22 | 28.12** | 0.84 | 0.80 | ||
| 41. Develop multidisciplinary team work to develop patient hospitalization and discharge care plans | 0.37 | 0.76 | 0.13 | 28.11** | 0.80 | 0.74 | ||
| 50. The Ability to resolve conflict | 0.38 | 0.76 | 0.20 | 27.34** | 0.82 | 0.77 | ||
| 63. Ability to detect scientific problems | 0.26 | 0.75 | 0.22 | 22.88** | 0.75 | 0.71 | ||
| 68. Professional self-improvement ability | 0.31 | 0.74 | 0.23 | 23.58** | 0.77 | 0.69 | ||
| 42. Assist trauma patients in need to transfer to rehabilitation institutions | 0.38 | 0.73 | 0.13 | 28.40** | 0.79 | 0.72 | ||
| 43. Provide extended care after discharge | 0.30 | 0.73 | 0.10 | 23.00** | 0.74 | 0.71 | ||
| 49. Team management ability | 0.40 | 0.72 | 0.28 | 27.73** | 0.83 | 0.78 | ||
| 65. Evidence-based nursing capability | 0.28 | 0.71 | 0.15 | 20.37** | 0.72 | 0.67 | ||
| 47. The ability to create a collaborative working atmosphere | 0.37 | 0.70 | 0.33 | 25.38** | 0.81 | 0.80 | ||
| 39. The ability to deal with trauma nurse-patient disputes | 0.48 | 0.70 | 0.15 | 31.80** | 0.84 | 0.76 | ||
| 38. Ability to prevent potential safety hazards of trauma patients | 0.53 | 0.68 | 0.18 | 33.52** | 0.87 | 0.79 | ||
| 46. Accomplish tasks in an organized and planned way | 0.42 | 0.68 | 0.35 | 28.56** | 0.83 | 0.82 | ||
| 45. Prioritize tasks in urgent order | 0.41 | 0.67 | 0.36 | 27.37** | 0.82 | 0.80 | ||
| Dimension 3 Professionalism & physical and mental health | 0.90 | 0.71 | ||||||
| 4. Professionalism such as active service and self-reliance | 0.18 | 0.25 | 0.82 | 12.35** | 0.55 | 0.77 | ||
| 5. Good physical and mental quality | 0.21 | 0.22 | 0.80 | 12.23** | 0.55 | 0.73 | ||
| 1. Observe the laws and regulations | 0.15 | 0.17 | 0.78 | 9.44** | 0.46 | 0.67 | ||
| 3. Passionate about trauma care | 0.30 | 0.22 | 0.76 | 13.91** | 0.60 | 0.74 | ||
| 2. Observe ethical principles | 0.23 | 0.22 | 0.76 | 11.26** | 0.55 | 0.68 | ||
Extraction method: principal component analysis; rotation method: Varimax. ITC, item-total correlation; MIIC, mean inter-item correlation.
**
p < 0.01. The bold values were factor loadings rotated to a common factor.