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Table 3 Fit of the "Activity" 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       
d430
d440
d445
Lifting and carrying objects
Fine hand use
Hand and arm use
0.156 0.087 -0.235 0.471 0.790
d450 Walking -0.799 0.143 2.069 5.327 0.070
d510 Washing oneself -0.261 0.150 -0.831 4.122 0.127
d530 Toileting 1.216 0.167 1.482 0.907 0.635
d540 Dressing 0.667 0.221 -0.622 3.326 0.190
d640 Doing housework -0.978 0.138 -0.566 1.519 0.468