Table 2.

Areas Under the Receiver Operating Characteristic Curve and 95% CI for the Health Literacy Screening Questions (N = 1,796)

Screening Questions	S-TOFHLA		REALM
	Health Literacy		Health Literacy
	Inadequate	Inadequate or Marginal	Inadequate	Inadequate or Marginal
	(N = 123)	(N = 255)	(N = 75)	(N = 381)
How confident are you filling out forms by yourself? (“Confident with Forms”)	0.74 (0.69–0.79)	0.72 (0.69–0.76)	0.84 (0.79–0.89)	0.71 (0.68–0.74)
How often do you have someone help you read hospital materials? (“Help Read”)	0.67 (0.62–0.72)	0.63 (0.59–0.66)	0.72 (0.67–0.79)	0.62 (0.60–0.65)
How often do you have problems learning about your medical condition because of difficulty reading hospital materials? (“Problems Reading”)	0.66 (0.61 – 0.71)	0.63 (0.61–0.67)	0.72 (0.65–0.78)	0.63 (0.60–0.66)