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Table 3 Percent Variance Explained for Patient and Parent PCQLI Total score by SES Indicators Controlling for Demographic and Clinical Variables

From: The impact of socio-economic status on health related quality of life for children and adolescents with heart disease

Patient Model

 

Source of variation

Sum of square

df

Mean square

F value

Pr > F

Partial

η 2

Partial

ω 2

Covariates: Patient characteristics

       

Patient sex

47.4

1

47.4

17.9

<0.0001

0.011

0.011

Patient race

78.7

1

78.7

29.8

<0.0001

0.019

0.018

Patient age

159.6

1

159.6

60.4

<0.0001

0.038

0.038

Current cardiac status of patient

125.4

3

41.8

15.8

<0.0001

0.030

0.028

Original cardiac diagnosis of patient

107.8

4

26.9

10.2

<0.0001

0.026

0.023

Model 1:

       

Hollingshead index

52.6

4

13.2

5

0.0006

0.013

0.010

Model 2:

       

Parental educational attainment

50.6

3

16.9

6.4

0.0003

0.012

0.010

Model 3:

       

Family income

160.9

5

32.2

12.5

<0.0001

0.039

0.036

Parent model

       

Source of variation

Sum of square

df

Mean square

F value

Pr > F

Partial

η 2

Partial

ω 2

Covariates: patient characteristics

       

Patient sex

48.8

1

48.8

15.5

<0.0001

0.010

0.009

Patient race

21.8

1

21.8

6.9

0.0086

0.004

0.004

Patient age

0.5

1

0.5

0.2

0.6759

0.000

0.000

Current cardiac status of patient

291.3

3

94.1

30.9

<0.0001

0.059

0.057

Original cardiac diagnosis of patient

204.9

4

51.2

16.3

<0.0001

0.042

0.039

Model 1:

       

Hollingshead index

89.3

4

22.3

7.1

<0.0001

0.018

0.016

Model 2:

       

Parental educational attainment

112.6

3

37.5

12.0

<0.0001

0.023

0.021

Model 3:

       

Family income

249

5

49.8

16.4

<0.0001

0.050

0.047