Table 1.

Descriptive statistics of enrollees with incident open-angle glaucoma

	Total (n=19927)
Categorical Variables	Frequency	Percent
Sex
Male	8935	44.8
Female	10992	55.2
Race
White	14875	81.4
Black	1508	8.3
Latino	1185	6.5
Asian	546	3
Other	171	0.9
Education
Less than High School	326	1.7
High School	6721	34.9
Some College	7437	38.7
College Diploma	4714	24.5
Post Graduate	39	0.2
Household Net Worth
under $25,000	1256	6.7
$25–74,000	1150	6.2
$75–149,000	2174	11.7
$150–499,000	8464	45.4
over $500,000	5593	30
Region
North East	3346	16.8
South East	7923	39.8
Midwest	5992	30.1
West	2645	13.3
Other	17	0.1
AMDa	2730	13.7
DR (NPDR or PDR)b	1835	9.2
Cataract	11725	58.8
Pseudophakia or Aphakia	3978	20.2
Continuous Variables	Mean (SDc)	Min, Max
Age	60.2 (11.0)	41.0, 85.0
Charlson Comorbidity Index	4.2 (3.4)	0.0, 29.0

^aAMD-age related macular degeneration

^bDR (NPDR or PDR) diabetic retinopathy (non proliferative or proliferative)

^cSD standard deviation