Table 1.

Population characteristics by vision score category

	Near vision score categories			Distance vision score categories			Total
	No Difficulty	Mild Difficulty	More Difficulty	No Difficulty	Mild Difficulty	More Difficulty
Total, N	1653	1710	909	2616	1220	436	4272
Age, mean (SD)	56.1 (11.4)	55.1 (10.7)	55.0 (10.5)	54.7 (10.5)	56.1 (11.0)	57.9 (12.1)	55.4 (10.9)
Female, %	56.9%	62.3%	66.8%	55.5%	69.0%	73.4%	61.2%
Highest grade level, mean (SD)	9.7 (4.0)	9.0 (3.9)	8.5 (3.9)	9.4 (4.0)	9.0 (3.9)	8.2 (4.1)	9.2 (4.0)
Acculturation Score, mean (SD)	2.0 (0.9)	2.0 (1.0)	2.0 (1.0)	2.0 (0.9)	2.1 (1.0)	2.1 (1.0)	2 (1.0)
Income < $20,000, %	59.5%	67.3%	76.0%	62.5%	68.9%	80.4%	66.1%
Diabetes, %	18.0%	19.4%	25.6%	18.0%	22.4%	26.9%	20.2%
Hypertension. %	41.4%	43.2%	43.5%	41.5%	43.5%	46.3%	42.6%

Acronym key: SD (Standard Deviation)