Skip to main content

Table 6 Goodness of fit, including the comparison of domains based on the original (26-items), and adapted (21-items) IPA questionnaire

From: Validity and reliability of the (adjusted) Impact on Participation and Autonomy questionnaire for social-support populations

 

4-domain IPA

Autonomy indoors

Family role

Autonomy outdoors

Social life and relations

original

ex 1a,6b

original

ex 2c

original

covariance 1c & 1d

original

ex 5b, 5e

# items

7

5

7

6

5

5

7

5

n=

3922

3938

3711

3718

3715

3715

3846

3881

CFI

.711

.987

.953

.973

.941

.985

.842

.961

TLI

.567

.973

.930

.955

.881

.963

.764

.923

SRMR

.110

.021

.036

.026

.044

.022

.079

.034

Item-test correlation

.78–.87

.75–.85

.51–.88

.54–.86

.76–.81

 

.68–.81

.71–.81

Item-rest correlation

.68–81

.57–.77

.35–.83

.36–.78

.63–.68

 

.52–.72

.53–.68

Average inter-item covariance

0.59

0.52

0.87

0.80

0.81

 

0.47

0.48

Cronbach’s alpha

0.91

0.87

0.9

0.876

0.852

 

0.862

0.808

Mean score

3.83

3.86

3.14

3.19

3.05

 

3.5

3.45

SD

0.79

0.78

0.98

0.96

0.98

 

0.74

0.77

Pairwise correlation between domains

0.99

0.99

1.00

0.98

  1. Source: IPA-MO database, 2014–2016