Table 2.

Factor Pattern Matrix

Reliability	Item	Factor
		1	2	3	4
F1: Comfortable Sharing Concerns Cronbach α = .766 Variance Explained = 18.603%	1. How comfortable are you sharing concerns about your care with the physician?	.982	.019	−.044	−.018
	2. How comfortable are you sharing concerns about your care with the nurse?	.798	.079	−.103	.097
	3. How comfortable are you sharing concerns about your care with hospital management?	.550	−.054	.087	.033
	4. How comfortable are you asking whether the care team member washed their hands?	.411	−.114	.098	−.067
	5. If you believed an error had occurred in your/the patient’s care, how comfortable would you be notifying the care team member involved?	.404	−.053	.146	−.092
F2: Responsibility for Preventing Errors Cronbach α = .716 Variance Explained = 13.790%	6. Who is responsible for making sure a new treatment or medication is safe for the patient?	−.024	.790	−.020	−.002
	7. Who is responsible for making sure the patient knows why they need a new treatment or medication?	.012	.775	−.032	−.044
	8. Who is responsible for making sure patients get information about their care, such as their test results or schedule for the day?	−.008	.490	.040	−.052
	9. Who is responsible for making sure concerning events or situations in patient care are fixed?	−.121	.478	.115	.101
F3: Perception of Care Team Members’ Attitude Cronbach α = . 866 Variance Explained = 12.249%	10. Care team members do not like it when patients/family share concerns to help prevent medical errors in patient care, such as concerns about receiving the wrong medication or that a care team member did not wash their hands.	.077	.072	.971	−.005
	11. Care team members do not like it when patients/family ask questions about their care, such as questions about new medications or telling the team they have not received a test result.	.047	−.012	.780	.018
F4: Patients’/ Family’s Role in Preventing Errors Cronbach α = .770 Variance Explained = 8.616%	12. Patients/family can help the care team prevent medical errors in patient care.	−.015	−.054	.078	.867
	13. Patients/family can prevent medical errors in patient care.	−.020	.039	−.068	.746

Extraction method: principal axis factoring

Rotation method: Promax with Kaiser normalization

Rotation converged in 5 iterations