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Table 1 Patient characteristics

From: Configural frequency analysis as a method of determining patients' preferred decision-making roles in dialysis

  Exploratory sample (n = 1969) Confirmatory sample (n = 1914)
Gender     
   Male 60.9% (1199) 60.8% (1164)
   Female 39.1% (770) 39.2% (750)
Age (years)     
   Mean (Range) 63.9 (18-94) 64.6 (20-96)
   ≤ 55 years 26.4% (519) 24.1% (462)
   56 - 75 years 48.1% (947) 48.9% (935)
   ≥ 76 years 25.5% (503) 27.0% (517)
Years on dialysis     
   Mean (Range) 4.6 (0-33) 4.8 (0-38)
Karnofsky performance index*     
   Mean (Range) 74 (10-100) 74 (10-100)
Decision-making preference     
   Active role 22.4% (442) 22.2% (424)
   Collaborative role 31.3% (616) 30.8% (589)
   Passive role 46.3% (911) 47.1% (901)
Educational level     
   Low 65.9% (1297) 68.6% (1313)
   High 34.1% (672) 31.4% (601)
Information-seeking preference     
   Low 38.9% (765) 38.9% (744)
   High 61.1% (1204) 61.1% (1170)
Trust in physician     
   Below average 34.1% (672) 35.4% (677)
   Above average 65.9% (1297) 64.6% (1237)
Physicians' PDM style     
   Negative 38.1% (750) 39.0% (747)
   Positive 61.9% (1219) 61.0% (1167)
  1. * Karnofsky performance index: assessment tool used to assist clinicians/caretakers in measuring a patient's ability to carry out activities of daily living (e.g.: Normal, no complaints, no evidence of disease = 100; requires considerable assistance and frequent medical care = 50; Dead = 0).