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Table 2 Overall model fit of the economic-QOL-scale

From: Development of a short scale for assessing economic environmental aspects in patients with spinal diseases using Rasch analysis

Model

Chi-square(df)

p a

Mean item fit residual

Unidimensionality t-test

PSId

    

test %b

LB95%CIc

 

Original

115.3(44)

<0.001

−0.43

9.0

6.5

0.92

Revised

34.8(20)

0.021

−0.04

5.6

3.1

0.88

  1. Notes. a Bonferroni adjusted = 0.01; b percentage significant tests; c lower bound of the 95% confidence interval; d person separation index
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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