Table 4.

Predictors of interest in the adoption of nocturnal home hemodialysis

PredictorβSE βWald's χ2dfPeβ
Constant−5.4691.52712.82310.0000.004
    self-efficacy0.4570.2264.07110.0441.579
    self-cannulation0.4500.1985.17110.0231.568
time on current therapy (in years)−0.1620.0764.62710.0310.850
Trait Anxiety0.0730.0258.76210.0031.076
Testχ2dfp
Hosmer and Lemeshow9.86680.275
Logistic regression model–Classification Table (cut value of 0.5)
ObservedPredicted
Interest in NHDPercentage Correct
YesNo
Interest in NHDYes151451.7
No85487.1
Overall Percentage75.8
  • Sensitivity = 15/(15 + 14)% = 51.7%. Specificity = 54/(8 + 54)% = 87.1%. False positive 8/(8 + 15)% = 34.8%. False negative = 14/(14 + 54)% = 20.6%.