Percent change in age- and sex-adjusted standard prevalence rate (SPR)a ratio for dialysis patients per 10-min increase in travel time to the nearest dialysis facility (census block n = 1,867).

CI: 95% confidence interval.aSPR means that prevalence rate of dialysis patients in each census block was adjusted by using the distribution of the age and sex of the census block.bA significance of interaction (PcAdjusted for rate of tertiary industry workers in census block, population density, and geographic type (mainland or island).