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Table 5 Fit of the "Environmental factors" 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  
e120
e135
e150
Products and technology for personal indoor and outdoor mobility and transportation
Products and technology for employment
Design, construction and building products and technology of buildings for public use
1.316 0.136 0.888 1.156 0.561
Testlet2  
e310
e355
e410
e450
e540
e580
Immediate family
Health professionals
Individual attitudes of immediate family members
Individual attitudes of health professionals
Transportation services, systems and policies
Health services, systems and policies
1.113 0.048 -3.935 3.269 0.195
e115 Products and technology for personal use in daily living -0.112 0.106 -1.141 3.654 0.161
e155 Design, construction and building products and technology of buildings for private use 1.901 0.128 2.397 4.402 0.111
e320 Friends -2.579 0.109 0.520 0.560 0.756
e575 General social support services, systems and policies -1.639 0.130 0.796 2.688 0.261