Table 3.

Rank-order correlations between functional health literacy and cognitive ability measures

	1	2	3	4	5	6
1 REALM	–
2 S-TOFHLA	0.40*	–
3 NVS	0.35*	0.44*	–
4 General functional health literacy	0.71*	0.80*	0.78*	–
5 Age-11 IQ	0.44*	0.48*	0.51*	0.61*	–
6 Current fluid ability	0.38*	0.55*	0.55*	0.63*	0.57*	–

*P<0.001.

NVS, Newest Vital Sign; REALM, Rapid Estimate of Adult Literacy in Medicine; S-TOFHLA, Shortened Test of Functional Health Literacy in Adults.