Table 3.

Mean (SD) scores and Cronbach α values of the eHEALS^a, HLQ^b, and RAND-12^c of patients after percutaneous coronary intervention (N=1659).

Item			Mean (SD)	Cronbach α
eHEALSa			25.66 (6.23)	>.999
HLQb
		HLQ 5e	2.43 (0.66)	.844
		HLQ 8d	3.22 (0.73)	.875
RAND-12e
		PCSf12	43.93 (10.88)	N/Ag
		MCSh12	46.48 (11.14)	N/A

^aeHEALS: eHealth literacy scale.

^bHLQ: health literacy questionnaire.

^cHLQ 5:Appraisal of health information.

^dHLQ 8: Ability to find good health information.

^eRAND-12: 12-item short-form health survey.

^fPCS: physical composite score.

^gN/A: not applicable; since PCS12 and MCS12 of RAND-12 are not computed as means or sum scores, there is no Cronbach α.

^hMCS: mental health composite score.