PMC

Flow diagram of study participants. *Reason excluded (n; % of excluded): age >75 (37; 39.8%), mini-mental status examination score <18 (16; 17.2%), dialysis <9 months (15; 16.1%), prior transplant (13; 14.0%), vision >20/100 (10; 10.8%), unable to complete interview (2; <0.1%).