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Table 4 Fit of the "Participation" scale to Rasch model

From: Reliability, construct validity and measurement potential of the ICF comprehensive core set for osteoarthritis

ICF code ICF category title Location SE Individual Item Fit Residual Chi-Square Test Statistics p
Testlet1       
d470
d475
Using transportation
Driving
-0.288 0.283 2.001 7.227 0.027
d620 Acquisition of goods and services -0.386 0.166 1.064 0.783 0.676
d660 Assisting others -0.139 0.134 -0.807 4.221 0.121
d770 Intimate relationships 1.161 0.241 1.104 0.407 0.816
d910 Community life -0.480 0.137 1.146 0.954 0.621
d920 Recreation and leisure 0.132 0.205 0.048 2.283 0.319