Table 1.

Characteristics of living kidney donors by sex in the United States between 2005 and 2015

CharacteristicsWomenMenP Valuea
n=31,958n=20,732
Age categories, %<0.001
 18–342735
 35–494441
 50–692924
Race, %<0.001
 Black1112
 White7170
 Other1818
Donor relationship,b %
 Living related5360
 Living unrelated3132<0.001
 Spousal169
Median household income
Quartiles (N), %
 Q1 (<$39,287)15 (4793)16 (3317)0.21
 Q2 ($39,287–$49,120)20 (6392)20 (4146)
 Q3 ($49,121–$61,902)24 (7670)24 (4976)
 Q4 (>$61,902)41 (13,103)40 (8393)
RUCA, %<0.001
 >50,0008283
 10,000–50,00099
 <10,00098
Recipient sex, %
 Women3741<0.001
 Men6359
  • a Where not stated, missing values comprised <2% of all values.

  • b Donor income categories on the basis of data from the 2010 United States Census.