Table 1.
Baseline characteristics of participants.
| Characteristic | Intervention group (n=37) | Comparison group (n=61) | P valuea | |
| Age (years), mean (SD) | 67.2 (10.4) | 68.8 (9.5) | .43 | |
| Gender (female), n (%) | 25 (68) | 41 (67) | >.99 | |
| Race/ethnicity, n (%) |
|
|
>.99 | |
|
|
White non-Hispanic/Latino | 35 (95) | 59 (97) |
|
|
|
Asian non-Hispanic/Latino | 1 (3) | 1 (2) |
|
|
|
Unknown | 1 (3) | 1 (2) |
|
| Insurance type, n (%) |
|
|
.55 | |
|
|
Medicaid | 3 (8) | 9 (15) |
|
|
|
Medicare | 26 (70) | 37 (61) |
|
|
|
Commercial | 8 (22) | 15 (25) |
|
| Diabetes, n (%) | 20 (54) | 35 (57) | .91 | |
| Hemoglobin A1c <7%,b n (%) | 7 (35) | 19 (54) | .27 | |
| Congestive heart failure, n (%) | 8 (22) | 15 (25) | .93 | |
| Chronic obstructive pulmonary disease, n (%) | 5 (14) | 9 (15) | >.99 | |
| Coronary artery disease, n (%) | 8 (22) | 11 (18) | .86 | |
| Blood pressure control <140/<90,c n (%) | 26 (72) | 31 (67) | .81 | |
| Statin prescribed within 3 months of baseline, n (%) | 27 (73) | 34 (56) | .14 | |
| Renin-angiotensin system inhibitors prescribed within 3 months of baseline (%) | 20 (54) | 22 (36) | .13 | |
| Baseline albumin,d mean (SD) | 4.0 (0.4) | 3.9 (0.5) | .44 | |
| Baseline eGFR,e mean (SD) | 19 (6) | 21 (5) | .17 | |
aFrom two-sample t tests or nonparametric alternatives for numerical variables and from chi-square tests for categorical variables, comparing intervention with comparison groups.
bFor diabetic patients with A1c values recorded within 90 days of baseline (intervention group: n=20; comparison group: n=35).
cFor patients with blood pressure measured within 90 days of baseline (intervention group: n=36; comparison group: n=46).
dFor patients with blood albumin measured within 90 days of baseline (intervention group: n=36; comparison group: n=56).
eFor patients with glomerular filtration rate (GFR) measured within 90 days of baseline (intervention group: n=36; comparison group: n=44).