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Table 2 Proxy characteristics as predictors of patient-by-proxy VAS scores in a linear mixed model

From: Quality of life in dementia: a study on proxy bias

 

β-Coefficient

p-value

95% confidence interval

Intercept

51.26

0.000

25.48 - 77.05

Proxy sex

0.45

0.852

−4.34 - 5.25

Proxy age

0.19

0.033

0.02 - 0.36

Physical health

−0.32

0.846

−3.59 - 2.94

Energy

1.70

0.294

−1.49 - 4.90

Mood

0.22

0.901

−3.30 - 3.74

Living situation

−0.82

0.611

−3.97 - 2.34

Memory

−2.28

0.271

−6.35 - 1.79

Family

−1.04

0.524

−4.24 - 2.17

Marriage

1.09

0.498

−2.08 - 4.26

Friends

1.15

0.493

−2.14 - 4.44

Self as a whole

−0.96

0.645

−5.08 - 3.16

Ability to do chores around the house

0.96

0.520

−1.98 - 3.91

Ability to do things for fun

0.84

0.539

−1.85 - 3.52

Money

−5.53

0.005

−9.37 - −1.70

Life as a whole

5.78

0.004

1.84 - 9.71

  1. R2 = 0.068 (R2 compared to an intercept only model).