Table 2 Baseline characteristics of ESRD cases and subcohort members according to race, SCCS 2002–2009
| Â | Black | White | ||
|---|---|---|---|---|
Subcohort | ESRD | Subcohort | ESRD | |
eGFR, median (25th, 75th percentile), ml/min/1.73m2 | 107.7 (88.8121.3) | 63.3 (35.9, 95.9) | 96.9 (82.5, 107.0) | 59.1 (39.4, 99.2) |
eGFR, ml/min/1.73m2, % | ||||
 ≤ 30 | 1.1 | 20.0 | 0.7 | 19.0 |
 31–60 | 4.2 | 25.3 | 6.2 | 31.1 |
 61–90 | 21.7 | 25.5 | 31.5 | 10.2 |
  > 90 | 73.0 | 29.2 | 61.6 | 39.6 |
Age at enrollment, median (25th, 75th percentile), years | 50 (45, 56) | 52 (47, 58) | 53 (46, 61) | 59 (54, 62) |
Age categories, % | ||||
 40–49 | 51.7 | 39.6 | 42.6 | 17.9 |
 50–59 | 33.7 | 44.1 | 32.3 | 49.1 |
 60–69 | 11.6 | 12.5 | 19.0 | 31.7 |
 70–79 | 3.0 | 3.8 | 6.2 | 1.3 |
Female, % | 56.5 | 50.2 | 64.4 | 69 |
Marital Status, % | ||||
 Married | 26.0 | 33.6 | 43.4 | 27.3 |
 Separated | 35.6 | 30.0 | 34.1 | 42.4 |
 Widowed | 28.0 | 25.6 | 11.4 | 9.1 |
 Single | 10.5 | 10.8 | 11.2 | 21.1 |
Education <12th grade, % | 33.6 | 40.7 | 30.8 | 40.6 |
Income < $15,000, % | 63.6 | 65.3 | 60.0 | 75.3 |
BMI, median, (25th, 75th percentile), kg/m2 | 29.4 (25.1, 34.3) | 31.3 (26.6, 38.4) | 28.7 (24.5, 33.9) | 29.1 (23.3, 34.6) |
BMI categories, % | ||||
 Underweight (< 18.5) | 0.8 | 0.5 | 3.5 | 0.6 |
 Normal (18.5–24.9) | 23.3 | 15.8 | 26.2 | 31.1 |
 Overweight (25–29.9) | 29.2 | 28.9 | 27.3 | 19.8 |
 Obese (30+) | 46.7 | 54.9 | 43.1 | 48.4 |
Smoking status, % | ||||
 Current | 47.1 | 32.4 | 47.1 | 48.2 |
 Former | 19.3 | 24.6 | 22.9 | 20.4 |
 Never | 33.6 | 43.0 | 30.0 | 31.4 |
Hypertension, % | 56.3 | 86.4 | 51.4 | 82.6 |
Diabetes, % | 22.4 | 67.8 | 22.2 | 74.5 |
MI/Bypass, % | 5.4 | 12.8 | 10.8 | 26.2 |
Stroke/TIA, % | 6.7 | 11.3 | 7.4 | 21.3 |