Table 1.

Patient characteristics and habitual physical activity at baseline

CharacteristicTotal (n=202)
Age (yr)64 (57, 72)
Women105 (52.0)
Body mass index (kg/m2)21.0 (19.0, 23.0)
Time on hemodialysis (mo)40.0 (16.8, 119.3)
Primary kidney disease
 GN67 (33.2)
 Diabetic nephropathy66 (32.7)
 Hypertension17 (8.4)
 Polycystic renal disease7 (3.5)
 Other nephropathies45 (22.3)
Comorbid condition
 Cardiac diseasea100 (49.5)
 Diabetes mellitus78 (38.6)
 Comorbidity score4.0 (2.0, 7.0)
Laboratory values
 Serum albumin (g/dl)3.9 (3.7, 4.1)
 Serum C-reactive protein (mg/dl)0.1 (0.0, 0.3)
Physical activity time (min/d)42.7 (22.8, 65.8)
 <1018 (8.9)
 ≤10 and <3044 (21.8)
 ≤30 and <5065 (32.1)
 ≤50 and <7030 (14.9)
 ≤70 and <9024 (11.9)
 ≥9021 (10.4)
Number of steps3925 (2287, 6244)
  • Values are expressed as median (25th, 75th percentiles) or number (percentage) of patients.

  • a History of coronary disease, congestive heart failure, myocardial infarction, peripheral vascular disease, or other cardiac diseases.