Table 2.

Instrument range, sample range, mean, and standard deviation.

Instrument	Possible range	Sample range	Sample mean	SD
BRIEFa	4-20	10-20	17.7	2.5
REALMb	0-66	55-66	63.3	2.8
eHEALSc	10-50	29-50	42.7	5.7
CEWd	18-90	54-90	82.8	10.4

^aBRIEF: Brief Health Literacy Screening Tool

^bREALM: Rapid Estimate of Adult Literacy in Medicine Survey

^ceHEALS: eHealth Literacy Scale

^dCEW: Computer-Email-Web (CEW) Fluency Scale