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Table 2 Mean Factor Scores, Cronbach α Coefficient, and Polychoric Correlations of the Japanese HSOPS

From: Development and applicability of Hospital Survey on Patient Safety Culture (HSOPS) in Japan

   M SD α F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11
F1. Frequency of Event Reporting 11.9 2.97 .88 -           
F2. Overall Perceptions of Safety 13.8 2.48 .62 .20 -          
F3. Supervisor/Manager Expectations & Actions Promoting Safety 14.7 2.55 .70 .24 .45 -         
F4. Organizational Learning Continuous Improvement 10.4 1.84 .65 .22 .51 .44 -        
F5. Teamwork within Hospital Units 14.9 2.66 .83 .20 .45 .45 .51 -       
F6. Communication Openness 10.4 2.19 .62 .29 .46 .49 .47 .52 -      
F7. Feedback and Communication about Error 10.7 2.31 .77 .37 .45 .46 .56 .44 .60 -     
F8. Nonpunitive Response to Error 9.6 2.32 .71 .14 .39 .39 .25 .37 .41 .27 -    
F9. Staffing 12.1 2.59 .46 .04 .39 .25 .11 .22 .20 .14 .36 -   
F10. Hospital Management Support for Patient Safety 10.3 1.96 .61 .22 .54 .49 .49 .41 .45 .46 .33 .29 -  
F11. Teamwork Across Hospital Units 13.1 2.46 .70 .15 .48 .39 .42 .44 .43 .38 .34 .26 .57 -
F12. Hospital Handoffs & Transitions 12.7 2.43 .73 .09 .42 .29 .28 .28 .32 .28 .30 .29 .43 .57