Table 1.

Characteristics of the Study Population by Age

	Overall	Age ≥ 65	Age < 65	P
Insufficient Vision, % (n)	44.3 (841)	65.9 (384)	34.7 (457)	< 0.001
Low HL, % (n)*	42.7 (801)	52.6 (303)	38.3 (498)	< 0.001
Female, % (n)	55.3 (1,050)	58.3 (340)	53.9 (710)	0.08
AA race, % (n)†	77.9 (1,438)	76.5 (433)	78.5 (1,005)	0.3
Health < good, % (n)‡	53.4 (1,007)	50.5 (291)	54.6 (716)	0.1
HS graduate, % (n)§	81.5 (1,510)	76.2 (426)	83.8 (1,084)	< 0.001

^*22 patients (1.2%) had missing data for health literacy.

^†333 patients (18.0%) were white, and 75 patients (4.1%) were classified as other; 54 patients (2.8%) had missing data for race.

^‡13 patients (0.7%) had data missing for self-reported health.

^§47 patients (2.5%) had missing data for education.

Abbreviations: HL, health literacy; AA, African-American; HS, high school