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. 2017 Jun 21;12(6):e0179486. doi: 10.1371/journal.pone.0179486

Table 2. SAQ items descriptions (N = 1,689).

Dimension, item number, and item text Missing data and answered not applicable (%) Mean (SD) NPR NPR (%) Item-dimension correlation Item factor loading
Teamwork climate
1. Nurse input is well received in this clinical area. 31 (0.018) 3.81 (0.93) 1,070 0.63 0.73 0.69
2. In this clinical area, it is difficult to speak up if I perceive a problem with patient care. (R)* 211 (0.125) 3.41 (1.16) 845 0.5 0.27 0.09
3. Disagreements in this clinical area are appropriately resolved. 30 (0.018) 4.04 (0.87) 1,242 0.74 0.73 0.69
4. I have the support I need from other personnel to care for patients. 21 (0.012) 3.91 (0.89) 1,150 0.68 0.72 0.71
5. It is easy for personnel in this clinical area to ask questions when there is something that they do not understand. 50 (0.03) 4.03 (0.84) 1,232 0.73 0.75 0.73
6. The physicians and nurses here work together as a well-coordinated team. 32 (0.019) 4.27 (0.75) 1,402 0.83 0.68 0.63
Safety climate
7. I would feel safe being treated here as a patient. 18 (0.011) 3.83 (0.9) 1,085 0.64 0.73 0.64
8. Medical errors are handled appropriately in this clinical area. 15 (0.009) 3.9 (0.83) 1,178 0.7 0.8 0.82
9. I know the proper channels to direct questions regarding patient safety in this clinical area. 23 (0.014) 3.76 (0.89) 1,012 0.6 0.79 0.82
10. I receive appropriate feedback about my performance. 17 (0.01) 3.68 (0.97) 981 0.58 0.73 0.72
11. In this clinical area, it is difficult to discuss errors. (R)* 84 (0.05) 3.02 (1.13) 564 0.33 0.19 0.12
12. I am encouraged by my colleagues to report any patient safety concerns I may have. 17 (0.01) 3.73 (0.9) 998 0.59 0.69 0.63
13. The culture in this clinical area makes it easy to learn from the errors of other. 11 (0.007) 3.9 (0.86) 1,185 0.7 0.75 0.73
Job satisfaction
14. I like my job. 13 (0.008) 3.79 (1) 1,063 0.63 0.81 0.75
15. Working in this hospital is like being part of a large family. 6 (0.004) 3.91 (0.9) 1,166 0.69 0.87 0.85
16. This is a good place to work. 5 (0.003) 3.73 (0.99) 1,011 0.6 0.84 0.81
17. I am proud to work in this clinical area. 5 (0.003) 3.82 (0.95) 1,068 0.63 0.92 0.91
18. Morale in this clinical area is high. 3 (0.002) 3.74 (0.98) 1,009 0.6 0.86 0.81
Stress recognition
19. When my workload becomes excessive, my performance is impaired. 50 (0.03) 3.46 (1.13) 851 0.5 0.85 0.77
20. I am less effective at work when fatigued. 18 (0.011) 3.71 (1.07) 1,054 0.62 0.87 0.84
21. I am more likely to make errors in tense or hostile situations. 38 (0.023) 3.47 (1.17) 883 0.52 0.91 0.87
22. Fatigue impairs my performance during emergency situations. 30 (0.018) 3.59 (1.13) 965 0.57 0.91 0.91
Perception of management
23. Management supports my daily efforts. 16 (0.01) 3.72 (0.9) 944 0.56 0.85 0.77
24. Management does not knowingly compromise the safety of patients. 19 (0.011) 3.9 (0.81) 1,183 0.7 0.82 0.74
25. I get adequate, timely information about events in the hospital that might affect my work from the unit management. 17 (0.01) 3.75 (0.87) 1,015 0.6 0.88 0.83
26. The levels of staffing in this clinical area are sufficient to handle the number of patients. 38 (0.023) 3.64 (0.93) 928 0.55 0.82 0.73
Working conditions
27. This hospital does a good job of training new personnel. 21 (0.012) 3.99 (0.83) 1,237 0.73 0.81 0.72
28. All the necessary information for diagnostic and therapeutic decisions is routinely available to me. 9 (0.005) 4.07 (0.87) 1,285 0.76 0.87 0.82
29. Trainees in my discipline are adequately supervised. 7 (0.004) 4 (0.91) 1,240 0.73 0.87 0.83
30. Problem personnel in this clinical area are dealt with constructively by our management. 17 (0.01) 4.04 (0.89) 1,255 0.74 0.84 0.78

Note: SD, standard deviation; NPR, number of positive responses (including agree slightly and agree strongly)

(R)*, reverse-scored item.