Table 1.

Demographic and clinical characteristics of the patients

Characteristicn=271
Age, yr71 (66, 77)
Women123 (45.4)
Race
 Black50 (18.5)
 Nonblack221 (81.5)a
Marital status
 Married175 (64.6)
 Divorced31 (11.4)
 Widowed48 (17.7)
 Single/other17 (6.3)
Highest education level
 Less than high school diploma29 (10.7)
 High school diploma or equivalent68 (25.1)
 Some college59 (21.8)
 College degree or higher115 (42.4)
Yearly household incomeb
 <$20,00042 (15.5)
 $20,000–39,99967 (24.7)
 $40,000–59,99954 (19.9)
 $60,000–79,99943 (15.9)
 $80,000–99,99916 (5.9)
 ≥$100,00046 (17.0)
Insurance type
 Private75 (27.7)
 Medicaid/medical assistance11 (4.1)
 Medicare185 (68.3)
ADL score5 (5, 5)
iADL score8 (7, 8)
POS-S Renal score9 (5, 15)
eGFR, ml/min per 1.73 m2c22.6 (17.0, 28.2)
BMI, kg/m230.2 (25.9, 35.2)
Charlson comorbidity index5 (3, 6)
Specific comorbidities
 Hypertension265 (97.8)
 Diabetes mellitus134 (49.4)
 Coronary artery disease86 (31.7)
 Cerebrovascular disease50 (18.5)
 Peripheral vascular disease31 (11.4)
 All cardiovascular disease117 (43.2)
 Heart failure66 (24.4)
 Cancer67 (24.7)
 Chronic lung disease38 (14.0)
  • Continuous variables expressed as median (IQR); categoric variables expressed as n (%). iADL, instrumental ADLs; POS-S Renal, Palliative care Outcome Scale–Symptoms Renal; BMI, body mass index.

  • a 218 white, three other.

  • b 268 responses, because 3 (1.1%) declined to answer.

  • c As calculated using the Modification of Diet in Renal Disease Study equation.29