Table 1.

Content validity on four domains of TPB using PROPER undergraduate medical resources.

	Relevance			Clarity
TPB domains	N	I-CVI	K*	N	I-CVI	K*
Attitudes Participants’ positive and negative evaluations on confidentiality can be cognitive or affective (experience) components Belief in the impacts of behavior Evaluation of impacts of behavior
Overall, I think maintaining patient confidentiality is worthless—worthwhile	10	1.0	0.99	10	1.0	0.99
Overall, I think maintaining patient confidentiality is unrealistic—realistic	10	1.0	0.99	9	0.9	0.88
Overall, I think maintaining patient confidentiality is unclear—clear	9	0.9	0.88	7	0.7	0.46
Overall, I think maintaining patient confidentiality is wrong thing to do—right thing to do	10	1.0	0.99	10	1.0	0.99
Overall, I think maintaining patient confidentiality is bad practice—best practice	10	1.0	0.99	10	1.0	0.99
I am more likely to speak to colleagues on confidentiality than PROPER confidentiality guidance resources for UG students	10	1.0	0.99	7	0.7	0.46
I am more likely to consult PROPER confidentiality guidance resources for UG students than institutional confidentiality guidance in practice	10	1.0	0.99	7	0.7	0.46
Subjective norms Participants feel that others with significant influence support or maintain their confidentiality practices Belief in others’ opinions Motivation to comply with others’ opinions
People who are important to me think I should maintain the confidentiality of my patients	10	1.0	0.99	9	0.9	0.88
It is expected of me to maintain the confidentiality of my patients	10	1.0	0.99	9	0.9	0.88
Please indicate how much pressure you feel from each of the following organizations or people to use the PROPER confidentiality guidance resources for UG students My college/institution Myself/My trust Medical Council Personal tutor/supervisor Peers Teachers Patients Society The media	10	1.0	0.99	8	0.8	0.71
Perceived behavioral control Participants’ perceptions that they have self-control in maintaining confidentiality practices by using PROPER confidentiality guidance resources Belief in having behavioral control Power perceived in facing obstacles
Overall, I think maintaining patient confidentiality is difficult—easy	10	1.0	0.99	10	1.0	0.99
I am confident that I cannot apply PROPER confidentiality guidance resources for UG students	10	1.0	0.99	9	0.9	0.88
I have enough time to refer to PROPER confidentiality guidance resources for UG students	9	0.9	0.88	9	0.9	0.88
I can easily navigate the PROPER confidentiality guidance resources for UG students to check confidentiality guidelines	10	1.0	0.99	10	1.0	0.99
For me to apply PROPER confidentiality guidance resources for UG students in practice is easy—difficult	10	1.0	0.99	8	0.8	0.71
Intentions How likely a participant is to do or engage in maintaining confidentiality practices by using PROPER confidentiality guidance resources State of mind in the form of commitment to an action
I intend to refer to PROPER confidentiality guidance resources for UG students the next time I am uncertain	10	1.0	0.99	9	0.9	0.88
I want to use the PROPER confidentiality guidance resources for UG students	10	1.0	0.99	9	0.9	0.88
I do not plan to use the PROPER confidentiality guidance resources for UG students	10	1.0	0.99	9	0.9	0.88
S-CVA Ave	1.0			0.9

N, Number of experts in agreement; K*, kappa statistic; I-CVI, Item-level Content Validity Index; S-CVI/Ave, Scale-level Content Validity Index Average; UG, Undergraduate; PROPER, PROfessionalism Partnership for Education Research; UG: undergraduate.