Table 1.
Characteristics at baseline by subcohort and by incident CKD status
| Baseline characteristics | MESA |
REGARDS |
||||
|---|---|---|---|---|---|---|
| Subcohort | No CKD | Incident CKD | Subcohort | No CKD | Incident CKD | |
| N | 497 | 479 | 163 | 497 | 440 | 497 |
| Age (yr) | 60 (10) | 59 (10) | 66 (9) | 63 (8) | 62 (8) | 65 (9) |
| Men (%) | 47 | 48 | 33 | 42 | 43 | 33 |
| Black (%) | 24 | 24 | 34 | 30 | 30 | 32 |
| Education (%) | ||||||
| <High school | 15 | 14 | 22 | 8 | 9 | 8 |
| High school graduate | 17 | 17 | 20 | 22 | 21 | 27 |
| Some college | 25 | 25 | 34 | 23 | 23 | 25 |
| ≥College graduate | 44 | 44 | 24 | 47 | 48 | 41 |
| BMI (kg/m2) | 27.9 (5.1) | 27.9 (5.1) | 29.6 (6.2) | 28.4 (5.8) | 28.5 (5.7) | 28.6 (5.4) |
| HTN (%) | 36 | 35 | 65 | 44 | 43 | 51 |
| CAD (%) | 0 | 0 | 0 | 11 | 10 | 13 |
| Smoking status (%) | ||||||
| Never | 48 | 50 | 49 | 49 | 48 | 49 |
| Former | 37 | 37 | 37 | 43 | 43 | 39 |
| Current | 15 | 14 | 14 | 8 | 8 | 12 |
| SBP (mm Hg) | 123 (21) | 123 (21) | 136 (23) | 125 (16) | 125 (16) | 127 (16) |
| Antihypertensive medication (%) | 30 | 29 | 55 | 37 | 36 | 43 |
| eGFR (ml/min per 1.73 m2) | 91 (14) | 91 (14) | 85 (14) | 90 (14) | 90 (14) | 87 (13) |
| UACR (mg/g) | 5 (3–9) | 4.6 (3.1–8.8) | 8.8 (4.5–24.7) | 6.4 (4.4–11.1) | 5.9 (4.2–9.5) | 7.0 (4.8–13.1) |
| UACR > 30 mg/g | 7 | 6 | 21 | 8 | 7 | 11 |
BMI, body mass index; CAD, coronary artery disease; CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate; HTN, hypertension; IQR, interquartile range; MESA, Multi-Ethnic Study of Atherosclerosis; REGARDS, Reasons for Geographic and Racial Differences in Stroke; SBP, systolic blood pressure; UACR, urine albumin-to-creatinine ratio.
Data are presented as mean (SD), median (IQR), or percentage.