Continuum Code (RUCC)      
  RUCC RUCC RUCC  
  1-3 4-7 8-9  
  Metro Micro Rural p-value*
Percent of total population      
All States 69.77% 26.32% 3.91%  
Alabama 75.70% 21.32% 2.98%  
Mississippi 45.12% 46.42% 8.46%  
Tennessee 76.81% 20.71% 2.48%  
Census characteristics      
Mean age (years) 38.58 40.01 40.42 <0.0001
Mean percent race        
White 74.01% 72.94% 63.49% <0.0001
AA 22.29% 24.56% 34.34% <0.0001
Hispanic 3.04% 2.12% 1.01% <0.0001
Mean Per Capita Income $46,084 $34,595 $32,266 <0.0001
Mean % graduated high school 72.80% 69.25% 66.94% <0.0001
Mean % unemployment 5.73% 6.50% 6.05% 0.0003
Mean % below poverty level 13.36% 17.98% 20.65% <0.0001
Modality      
ESRD prevalence (per million) 1,651.85 1,848.08 1,976.07 <0.0001
Mean % hemodialysis 88.29% 87.82% 90.84%  
Mean % home dialysis 11.71% 12.18% 9.16%  
Prevalence rate of PD 16.06 19.22 18.76  
Crude prevalence ratio (95% CI) of home dialysis   Ref 1.20 (1.09-1.31) 1.18 (0.96-1.45)  
Adjusted prevalence ratio†,‡ (95% CI) of home dialysis Ref 1.14 (1.03-1.26) 1.00 (0.80-1.24)  
* Estimated from ANOVA Estimated from Poisson regression Adjusted for median age, race distribution, median per capita income, % unemployment, and % of population under the poverty level.
Table 1: Comparison of population and dialysis characteristics by Rural Urban.