Table 2.

Results of Univariable and Multivariable Regression Models Evaluating the Associations between Rasch-Adjusted Scores for the National Eye Institute Visual Function Questionnaire (NEI VFQ-25) and Diagnostic Classifications Based on the Proposed Objective Criteria for Glaucomatous Optic Neuropathy

Characteristic	Univariable Model		Multivariable Model
	Coefficient (95% CI)	P	Coefficient (95% CI)	P
0. normal	0	Base	0	Base
1. suspect	−4.3 (−6.0 to −2.6)	< 0.001	−2.2 (−4.6 to 0.1)	0.057
2. glaucoma	−10.1 (−12.0 to −8.3)	< 0.001	−6.8 (−9.5 to −4.2)	< 0.001
Age, per decade older	−3.0 (−3.6 to −2.4)	< 0.001	−2.5 (−3.2 to −1.9)	< 0.001
Sex, female	−3.5 (−5.4 to −1.5)	< 0.001	−3.7 (−5.5 to −1.8)	< 0.001
Race, African American	−3.4 (−5.4 to −1.4)	0.001	−3.2 (−5.2 to −1.2)	0.002
Marital status, married	2.5 (0.5–4.4)	0.014	1.5 (−0.6 to 3.5)	0.156
Insurance, yes	−3.8 (−7.2 to −0.4)	0.030	−0.9 (−4.6 to 2.7)	0.619
Education level, at least high school degree	3.7 (−1.5 to 9.0)	0.164
Income, ≥ $25,000	3.0 (0.3 to 5.7)	0.031	2.4 (−0.4 to 5.2)	0.098

CI = confidence interval.

Boldface indicates significant (P < 0.05).