Table 1.
Demographic characteristics of study population
| Characteristics | All | No CKD | CKD |
|---|---|---|---|
| n=220 | n=44 | n=176 | |
| Mean age, yrs (SD) | 58.2 (13.2) | 58.9 (11.6) | 47.2 (10.1) |
| Male, % (N) | 50.5 (111) | 61.4 (27) | 47.7 (84) |
| Race/ethnicity, % (N) | |||
| Non-Hispanic white | 9.6 (21) | 29.6 (6) | 8.5 (15) |
| Hispanic | 36.5 (80) | 13.6 (13) | 38.1 (67) |
| Black | 40.6 (89) | 40.9 (18) | 40.3 (70) |
| Asian | 12.3 (27) | 2.3 (1) | 5.7 (10) |
| Other | 1.4 (3) | 13.6 (6) | 7.4 (13) |
| Interview language, % (N) | |||
| English | 70.3 (154) | 90.9 (40) | 65.1 (114) |
| Spanish | 26.0 (57) | 9.1 (4) | 30.3 (53) |
| Cantonese | 3.7 (8) | 0 (0) | 4.6 (8) |
| Educational attainmenta, % (N) | |||
| Did not attend | 15.9 (35) | 11.4 (5) | 17.1 (30) |
| Primary school | 41.4 (91) | 27.3 (12) | 44.9 (79) |
| High school | 25.9 (57) | 22.7 (10) | 26.7 (47) |
| College | 16.8 (37) | 38.6 (17) | 11.4 (20) |
| Low health literacy, % (N) | 45.0 (99) | 38.6 (17) | 46.6 (82) |
| Health insuranceb, % (N) | |||
| None | 30.3 (54) | 33.3 (4) | 30.1 (50) |
| Medicaid | 62.4 (111) | 66.7 (8) | 62.1 (103) |
| Medicare | 22.5 (40) | 0% (0) | 24.1 (40) |
| Hypertension, % (N) | |||
| BP≥140/90 mmHg | 30 (67) | 18 (8) | 34 (59) |
| Use of antihypertensive medications | 84 (184) | 50 (22) | 92 (162) |
| Mean eGFR, ml/min per 1.73 m2 (SD) | 47.2 (10.1) | NA | 47.2 (10.1) |
| CKD stages, % (N) | |||
| Stage 1–2 | 23.6 (52) | NA | 32.3 (52) |
| Stage 3–4 | 49.5 (109) | NA | 61.9 (109) |
| Proteinuria (n=171), % (N) | |||
| Yes | 48.3 (83) | 0 (0) | 47.2 (83) |
| No | 40.0 (88) | 100 (7) | 48.0 (81) |
| Number of primary care clinic visits in the past year, median (IQR) | 4 (3, 6) | 3 (1, 4) | 4 (3, 6) |
NA, not applicable; IQR, interquartile range.
a
Denotes P<0.05 for comparison among groups with and without CKD.
b
Sums to >100%, as groups are not mutually exclusive.