Table 1 Demographic characteristics of patients who responded to the survey
Characteristic | Total n (%) | Range by renal unit (%) |
|---|---|---|
Age (yrs) | ||
 18–25 | 23 (2%) | 0–4% |
 26–35 | 40 (4%) | 0–6% |
 36–45 | 79 (7%) | 0–15% |
 46–55 | 163 (15%) | 9–18% |
 56–65 | 235 (22%) | 12–25% |
 66–75 | 252 (23%) | 16–42% |
 76+ | 260 (24%) | 16–41% |
Ethnicity | ||
 White | 849 (79%) | 72–96% |
 Black | 56 (5%) | 0–11% |
 Asian | 119 (11%) | 0–18% |
 Other | 16 (2%) | 0–3% |
Sex | ||
 Male | 663 (62%) | 52–80% |
 Female | 361 (34%) | 10–40% |
Education | ||
 Up to school age 16 | 427 (40%) | 29–53% |
 Above school age 16 | 410 (38%) | 23–50% |
Comorbidities | ||
 Heart failure | 190 (18%) | 8–44% |
 Diabetes | 375 (35%) | 20–54% |
Dialysis vintage (years) | ||
  < 1 | 236 (22%) | 5–28% |
 1–3 | 347 (32%) | 26–52% |
 3–5 | 177 (14%) | 8–30% |
 5–10 | 150 (14%) | 7–18% |
  > 10 | 128 (12%) | 6–18% |
Urine output | ||
 None | 240 (22%) | 9–37% |
 Less than a cupful per day | 313 (29%) | 24–40% |
 More than a cupful per day | 487 (45%) | 37–52% |
HD sessions per week | ||
  < 3 | 30 (3%) | 0–8% |
 3 | 991 (92%) | 78–100% |
  > 3 | 26 (2%) | 4–19% |
Previous kidney transplant | ||
 Yes | 184 (17%) | 6–22% |
 No | 854 (79%) | 71–89% |