Table 5. Factors Associated With the Decision to Participate in Prospective Ophthalmic Studies Based on Congruence With Research Personnel Characteristics^a.

Concordance factor	Odds ratio (95% CI)	P value
Sex	0.86 (0.68-1.08)	.20
Race and ethnicity	2.72 (1.99-3.73)	<.001
Language	1.12 (0.88-1.44)	.35

^a Multivariable regression analysis adjusted for sex, race and ethnicity, and language concordance.