Table 1.

Demographic and general health characteristics of participants with and without self-reported glaucoma

		Self-reported no glaucoma (N=6307) Mean or %a (Std Error)	Self-reported glaucoma (N=453) Mean or %a (Std Error)	P valueb
Demographics
Age, years		56.5 (0.38)	66.9 (1.03)	<.001
Female		53.0% (0.71%)	52.4% (3.2%)	0.03
Race
	Mexican	5.6% (0.72%)	4.0% (1.3%)
	Other Hispanic	3.2% (0.62%)	2.7% (1.1%)
	Non-Hispanic White	75.9% (2.1%)	72.5% (3.6%)	0.004
	Non-Hispanic Black	10.1% (1.3%)	16.7% (2.6%)
	Other and multiracial	5.2% (0.61%)	4.2% (1.4%)
Education
	<9th grade	7.45% (0.61%)	14.1% (2.6%)
9th grade - less than high school graduate		11.6% (0.86%)	13.4% (1.6%)
High school graduate or GED equivalent		26.1% (0.95%)	28.2% (2.9%)	<.001
	Some college	27.8% (0.95%)	28.8% (3.1%)
	College graduate and beyond	27.2% (1.6%)	15.5% (2.1%)
Annual household income
	<$20,000	14.8% (0.865)	23.4% (3.1%)
	$20,000 - $44,999	26.8% (1.3%)	35.5% (2.9%)
	$45,000 - $74,999	22.0% (0.99%)	21.0% (2.3%)	<.001
	$75,000 and up	33.7% (1.8%)	16.9% (2.7%)
	>$20,000	2.8% (0.39%)	3.3% (1.0%)
General health status and comorbidities
General health condition
	Excellent or Good	42.4% (1.4%)	37.8% (3.3%)
	Fair	38.8% (0.78%)	27.7% (3.0%)	<.001
	Poor or Very Poor	18.9% (0.91%)	34.5% (3.2%)
Medical comorbidities
	Stroke	4.3% (0.43%)	10.2% (2.2%)	0.002
	Emphysema	2.6% (0.23%)	7.4% (0.17%)	<.001
	Thyroid problem	13.4% (0.65%)	18.5% (2.2%)	0.01
	Liver condition	4.4% (0.31%)	4.1% (1.1%)	0.74
	Cancer	12.2% (0.53%)	22.1% (2.5%)	0.001

^aAll means, proportions, and standard errors are weighted estimates of the US population characteristics, taking into account NHANES’ complex sampling design

^bAll p values are unadjusted. P values were calculated using Wald test for continuous variables, and design-adjusted Rao-Scott Pearson chi-squared test for categorical variables