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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