Table 1.

KEC-D (potential donor) and KEC-R (intended recipient) domains, number of items, means (sd), internal consistency, and sample items

Version	Domain	Items	Mean (sd)	Cronbach’s α	Sample items
KEC-D		22	49.8 (11.8)	0.89
	Distrust / Inequity	6	14.6 (4.5)	0.83	I was concerned that the person who I wanted to donate to might end up with a kidney that was not as good as mine.
	Uncertainty / Worry	8	16.8 (4.2)	0.76	I was concerned that I would become too anxious not knowing if we would ever find a suitable match.
	Inconvenience / Cost	8	18.4 (4.6)	0.79	I was concerned that waiting too long in a swap program would be disruptive to my life.
KEC-R		23	54.4 (10.9)	0.86
	Distrust / Inequity	6	15.3 (4.1)	0.78	I was concerned that the other donor in the swap would back out of it and then I would not get a transplant.
	Uncertainty / Worry	9	20.1 (4.5)	0.69	I was concerned that my donor would feel more pressure to go through with donation if it was part of a swap.
	Inconvenience / Cost	8	18.9 (4.1)	0.75	I was concerned that my donor’s costs in a swap program would be too high.