Table 1.

Baseline patient characteristics

VariableaeKidneyCareMyMedRec
N8993
Age, yr (SD)56 (14)58 (16)
Male, n (%)54 (61)64 (69)
CKD stage, n (%)
 3b11 (12)13 (14)
 424 (27)33 (36)
 525 (28)16 (17)
Dialysis29 (33)31 (33)
  Home nocturnal hemodialysis18 (20)19 (20)
  In-center hemodialysis0 (0)1 (1)
  Peritoneal dialysis11 (12)11 (12)
Education, n (%)
 Graduate10 (11)24 (26)
 College/University53 (60)51 (55)
 High school19 (21)15 (16)
 Primary school5 (6)2 (2)
 Not stated2 (2)1 (1)
Health literacy REALM scores, n (%)
 Grade 3 or below0 (0)2 (2)
 Grade 4–64 (5)1 (1)
 Grade 7–821 (24)16 (18)
 High school62 (71)71 (79)
Ethnicity, n (%)
 White53 (60)49 (53)
 Black (Non-Hispanic)10 (11)17 (18)
 Asian (Southeast Asian, Asian, South Asian)22 (25)26 (28)
 First nations1 (1)0 (0)
 Hispanic2 (2)1 (1)
 Other or did not disclose1 (1)7 (8)
Comorbidity
 Number of comorbidities, median (IQR)4 (3–6)5 (3–7)
 Number of comorbidities, n (%)
  0–15 (6)10 (11)
  2–329 (33)17 (18)
  4–527 (30)29 (31)
  ≥628 (32)37 (40)
 Diabetes mellitus, n (%)26 (29)31 (33)
 Hypertension, n (%)65 (73)60 (65)
Medications
 Total number of medications per patient, median (IQR)10 (8–14)11 (8–15)
 Number with ten or more medications, n (%)44 (49)48 (52)
 Antihypertensive medications, median (IQR)2 (1–4)2 (1–4)
 Number with HTN medications, n (%)
  011 (12)14 (15)
  117 (19)20 (21)
  219 (21)19 (20)
  ≥342 (47)40 (43)
 Total medication discrepancy rate, median (IQR)0.38 (0.25–0.54)0.38 (0.29–0.53)
 Clinically relevant medication discrepancy rate, median (IQR)0.33 (0.20–0.46)0.30 (0.17–0.50)
BP, mm Hg, mean±SD, mm Hg
 Clinic systolic BP125±23122±20
 Clinic diastolic BP77±1376±13
 Home systolic BP129±20126±18
 Home diastolic BP77±1376±12
Laboratory tests, n (%) in range
 Hemoglobin (10.0–12.0 g/dl)47 (53)53 (57)
 Potassium (3.5–5.1 mEq/L)77 (88)80 (87)
 Phosphate (<4.6 mg/dl)29 (39)27 (34)
Patient-reported outcome measures, mean±SD
 Hospital Anxiety and depression scale8.7±5.89.0±6.3
 Veterans Rand-12 physical component score39.6±10.440.2±9.6
 Veterans Rand-12 mental component score50.2±9.249.8±10.7
 EQ-5D0.8±0.20.8±0.2
Use of technology, n (%)
 Personal computer75 (84)77 (83)
 Smartphone53 (60)56 (60)
 Cellphone43 (48)42 (45)
 Tablet49 (55)53 (57)
 Home BP monitor66 (74)63 (68)
Use of medication management tools, n (%)
 Nothing30 (34)25 (27)
 Blister package9 (10)9 (10)
 Dosette box31 (35)35 (38)
 Handwritten list12 (14)9 (10)
 Self-generated computer list8 (9)7 (8)
 Pharmacy-generated list10 (11)17 (18)
  • REALM, Rapid Estimate of Adult Literacy in Medicine; IQR, interquartile range; HTN, hypertension; EQ-5D, EuroQol-5 Dimension.

  • a There were no significant differences between the two groups for any variable.