Table 1.

Characteristics of participating nephrologists

Variable (n, %) unless otherwise specified	na	%
Age in years
Mean ± SD	50 ± 10
Range	45
Gender (n = 419)
Male	320	76
Female	99	24
Board-certified nephrologists (n = 427)
Yes	401	94
No	26	6
Primary job function (n = 426)
Hospital-based nephrologist	190	45
Private practice nephrologist	192	45
Other	44	10
Location of practice (n = 424)
Urban area	278	66
Suburban area	112	26
Rural area	34	8
Years of experience (n = 425)
Up to 10 yr	123	29
More than 10 yr	302	71
CKD patients (n = 424)
1-100	214	50
101-300	134	32
>300	76	18
Pediatric CKD patients (n = 417)
None	363	87
Up to 40%	23	6
More than 40%	31	7
Transplant patients (n = 426)
Less than 10	131	31
10-50	180	42
>50	115	27
African-American patients (n = 405)
Up to 55%	327	81
More than 55%	78	19
Number of encounters needed before patients contact a transplant center (n = 422)
1	67	16
2	183	43
3	129	31
4 or more	43	10

^aTotal n per category not equal to 460 because of missing data.