Table 1.
BioCycle Study population characteristics by estimated glomerular filtration rate (eGFR) status as measured at the first study visit (2005-2007)
| Reduced eGFR (<90 ml/min/1.73m2) | ||||
|---|---|---|---|---|
| Characteristic | Total n=257 | No n=173 | Yes n=84 | p value |
| Age (years) 1 | 27.4 (8.2) | 26.7 (7.8) | 28.5 (8.9) | 0.11 |
| BMI(kg/m2) 1 | 24.1 (3.9) | 23.6 (3.7) | 24.9 (3.9) | 0.01 |
| Race2 | ||||
| White | 149 (59.6) | 92 (55.1) | 57 (68.7) | 0.08 |
| Non-Hispanic black |
50 (20.0) | 34 (20.4) | 16 (19.3) | |
| Asian | 36 (14.4) | 30 (18.0) | 6 (7.3) | |
| Other | 15 (6.0) | 11 (6.6) | 4 (4.8) | |
| Education2 | ||||
| <High school | 32 (12.45) | 18 (10.4) | 14 (16.7) | 0.15 |
| >High school | 225 (87.5) | 155 (89.6) | 70 (83.3) | |
| Smoking status2 | ||||
| Never/Former | 247 (96.1) | 167 (96.5) | 80 (95.4) | 0.73 |
| Current | 10 (3.9) | 6 (3.6) | 4 (4.8) | |
| Parity2 | ||||
| Parous | 65 (25.9) | 40 (23.7) | 25 (30.5) | 0.25 |
| Nulliparous | 186 (74.1) | 129 (76.3) | 57 (69.5) | |
| Alcohol(average drinks/day) 1 |
0.43 (0.6) | 0.46 (0.6) | 0.39 (0.6) | 0.41 |
1
mean (standard deviation)
2
n (percent)