The psychometric properties of the 'Hospital Survey on Patient Safety Culture' in Dutch hospitals

Table 1 Characteristics of the factors after confirmative and explorative factor analysis

Confirmative factor analysis				Explorative factor analysis
Factor	No of items	Chron-bach α American data	Chron-bach α Dutch data	Factor	No of items	Chron-bach α
Teamwork across hospital units	4	0.80	0.59	Teamwork across hospital units	5	0.72
Teamwork within units	4	0.83	0.66	Teamwork within units	4	0.66
Hospital handoffs and transitions	4	0.80	0.68	Adequate shift changes	2	0.65
Frequency of event reporting	3	0.84	0.79	Frequency of event reporting	3	0.79
Nonpunitive response to error	3	0.79	0.69	Nonpunitive response to error	3	0.69
Communication openness	3	0.72	0.72	Communication openness	3	0.72
Feedback and communication about error	3	0.78	0.75	Feedback about and learning from error	6	0.78
Organisational learning – Continuous improvement	3	0.76	0.57	*	*	*
Supervisor/manager expectations/actions	4	0.75	0.70	Supervisor/manager expectations/actions	4	0.70
Hospital management support for safety	3	0.83	0.68	Hospital management support for safety	3	0.68
Staffing	4	0.63	0.49	Adequate staffing	3	0.58
Overall perceptions of safety	4	0.74	0.62	Overall perceptions of safety	4	0.64

*The items of the American factors Feedback about and communication about error and Organisational learning – Continuous improvement combined into one factor, Feedback about and learning from error, in the explorative factor analysis.

ISSN: 1472-6963