Table 1.

Characteristics of 15,353 adults with CKD stages 3–5 by homeless status

CharacteristicHomeless Status
Housed (n=14,495)Homeless (n=858)P for Between-Group Differences
Mean age (SD) in years60 (14)50 (11)<0.001
Age category in years (%)<0.001
 <40818
 40–491636
 50–592330
 60–693012
  ≥70225
Female (%)5432<0.001
Race/ethnicity (%)<0.001
 non-Hispanic white2748
 non-Hispanic black2036
 Hispanic199
 Asian/Pacific Islander315
 other race/ethnicity33
Income ≤$15,000 USD (%)7195<0.001
Income source (%)<0.001
 unemployed/none4558
Uninsured (%)1730<0.001
Medicaid (%)2242<0.001
Comorbid conditions (%)
 diabetes2216<0.001
 hypertension4729<0.001
 cardiovascular disease1813<0.001
 congestive heart failure680.08
 chronic obstructive lung disease1522<0.001
 AIDS/HIV49<0.001
 hepatitis C virus infection414<0.001
 alcoholism627<0.001
 depression1527<0.001
 history of drug use1452<0.001
 tobacco smoking48<0.001
Laboratory measures (%)
 estimated GFR category (ml/min per 1.73 m2)<0.001
  45–59 8071
  30–441317
  15–2959
  <1523
 proteinuria category0.001
  none5952
  mild2224
  heavy1923
  hemoglobin mean (SD; g/dl)12.9 (2.0)12.4 (2.4)<0.001
  serum albumin mean (SD; g/dl)3.9 (0.7)3.6 (0.8)<0.001
  • Table values are nonimputed. Overall, 3% of the cohort were missing data for race/ethnicity, 17% were missing data for health insurance coverage, 16% were missing data for income, 27% were missing data for income source, and 27% were missing data for proteinuria. Less than 1% was missing data for other variables, including hemoglobin and serum albumin.