Table 1. Distribution and age-adjusted (US 2000 standard) incidence rates (per 100,000) of end-stage renal disease (ESRD) in relation to baseline characteristics of 79,943 black and white SCCS participants, 2002–2009 (excluding those with prevalent ESRD at baseline).
| Overall | African American | White | ||||
| Characteristic | N (%) | IR | N (%) | IR | N (%) | IR |
| Total | 687 (100) | 214 | 606 (100) | 273 | 81 (100) | 78 |
| Recruitment | ||||||
| CHC Population | 635 (92) | 230 | 569 (94) | 279 | 66 (81) | 89 |
| General Population | 52 (8) | 126 | 37 (6) | 216 | 15 (19) | 59 |
| Age at enrollment (years) | ||||||
| 40–49 | 258 (38) | 244 | 240 (40) | 288 | 18 (22) | 41 |
| 50–59 | 249 (36) | 223 | 214 (35) | 273 | 35 (43) | 89 |
| 60–69 | 138 (20) | 335 | 113 (19) | 432 | 25 (31) | 120 |
| 70–79 | 42 (6) | 242 | 39 (6) | 349 | 3 (4) | 52 |
| Sex | ||||||
| Female | 367 (53) | 194 | 324 (53) | 247 | 43 (53) | 69 |
| Male | 320 (47) | 242 | 282 (47) | 308 | 38 (47) | 90 |
| Marital status | ||||||
| Married | 213 (31) | 190 | 177 (29) | 276 | 36 (44) | 68 |
| Separated/Divorced | 222 (32) | 203 | 194 (32) | 224 | 28 (35) | 134 |
| Widowed | 100 (15) | 251 | 90 (15) | 314 | 10 (12) | 69 |
| Single Never Married | 149 (22) | 315 | 142 (24) | 368 | 7 (9) | 87 |
| Education | ||||||
| Less than 12th grade | 268 (39) | 272 | 244 (40) | 322 | 24 (30) | 102 |
| High/Vocational School | 268 (39) | 200 | 239 (39) | 261 | 29 (36) | 66 |
| Some college or more | 151 (22) | 139 | 123 (20) | 176 | 28 (35) | 72 |
| Annual household income ($) | ||||||
| less than $15,000/year | 482 (71) | 280 | 429 (72) | 328 | 53 (65) | 123 |
| $15,000/year or more | 195 (29) | 128 | 167 (28) | 179 | 28 (35) | 43 |
| Health insurance | ||||||
| No Insurance | 224 (33) | 140 | 201 (33) | 171 | 23 (29) | 56 |
| Any Private/CHAMPUS/Other | 127 (19) | 122 | 107 (18) | 173 | 20 (25) | 47 |
| Medicaid/Medicare Only | 332 (49) | 332 | 295 (49) | 392 | 37 (46) | 136 |
| BMI at Enrollment (kg/m2) | ||||||
| Underweight (<18.5) | 7 (1) | 201 | 6 (1) | 260 | 1 (1) | 73 |
| Normal (18.5–24.9) | 154 (23) | 224 | 139 (23) | 315 | 15 (19) | 72 |
| Overweight (25–29.9) | 180 (27) | 174 | 164 (28) | 233 | 16 (20) | 44 |
| Obese (30+) | 332 (49) | 237 | 284 (48) | 284 | 48 (60) | 106 |
| BMI at Age 21 (kg/m2) | ||||||
| Underweight (<18.5) | 57 (9) | 206 | 53 (10) | 290 | 4 (5) | 43 |
| Normal (18.5–24.9) | 312 (49) | 164 | 277 (50) | 215 | 35 (45) | 56 |
| Overweight (25–29.9) | 143 (23) | 234 | 126 (23) | 284 | 17 (22) | 102 |
| Obese (30+) | 120 (19) | 605 | 98 (18) | 687 | 22 (28) | 303 |
| Smoking | ||||||
| Ever | 452 (66) | 219 | 396 (65) | 284 | 56 (69) | 83 |
| Never | 234 (34) | 202 | 209 (35) | 252 | 25 (31) | 68 |
| Alcohol drinking | ||||||
| None | 405 (60) | 252 | 342 (58) | 311 | 63 (80) | 113 |
| Moderate (1–3/day) | 195 (29) | 147 | 182 (31) | 202 | 13 (16) | 31 |
| Heavy (>3/day) | 70 (10) | 197 | 67 (11) | 277 | 3 (4) | 32 |
| MI/CABG | ||||||
| No | 580 (85) | 194 | 521 (87) | 249 | 59 (73) | 61 |
| Yes | 103 (15) | 452 | 81 (13) | 614 | 22 (27) | 200 |
| Hypertension | ||||||
| No | 91 (13) | 67 | 76 (13) | 90 | 15 (19) | 31 |
| Yes | 596 (87) | 320 | 530 (87) | 385 | 66 (81) | 123 |
| Diabetes | ||||||
| No | 245 (36) | 103 | 219 (36) | 136 | 26 (32) | 29 |
| Yes | 442 (64) | 611 | 387 (64) | 716 | 55 (68) | 283 |
| Hypertension and Diabetes | ||||||
| Both HTN and Diabetes | 402 (59) | 707 | 353 (58) | 814 | 49 (60) | 341 |
| Diabetes Only | 40 (6) | 277 | 34 (6) | 369 | 6 (7) | 103 |
| HTN Only | 194 (28) | 160 | 177 (29) | 203 | 17 (21) | 39 |
| Neither HTN or Diabetes | 51 (7) | 39 | 42 (7) | 44 | 9 (11) | 25 |
| Stroke | ||||||
| No | 592 (86) | 199 | 525 (87) | 255 | 67 (83) | 68 |
| Yes | 95 (14) | 447 | 81 (13) | 556 | 14 (17) | 228 |
| High cholesterol | ||||||
| No | 343 (50) | 162 | 314 (52) | 205 | 29 (36) | 41 |
| Yes | 343 (50) | 306 | 292 (48) | 404 | 51 (64) | 128 |