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Table 5 Unadjusted p-values from item fit chi-square tests by domain

From: Assessment of health-related quality of life in arthritis: conceptualization and development of five item banks using item response theory

Item No.

Daily Activities

Walking

Handling Objects

Pain or Discomfort

Feelings

1

0.471

0.500

0.063

0.708

0.029

2

0.884

0.036

0.046

0.744

0.850

3

0.864

-

0.201

0.964

0.976

4

0.398

-

0.155

0.023

0.916

5

0.141

0.988

-

0.082

0.034

6

0.011

0.832

0.889

0.096

0.045

7

0.698

0.962

0.945

0.888

0.022

8

0.295

0.870

0.023

-

-

9

0.018

0.945

0.405

0.145

0.073

10

0.197

0.579

0.646

0.806

0.997

11

0.986

0.336

1.000

0.521

0.023

12

0.776

0.990

0.017

0.512

0.610

13

0.998

0.549

0.146

0.235

0.415

14

0.202

0.985

0.775

0.806

0.626

15

0.713

0.125

0.253

0.190

-

16

0.566

0.831

1.000

1.000

0.397

17

0.549

0.560

0.125

0.111

0.465

18

0.534

0.447

0.582

0.995

0.120

19

0.204

0.697

1.000

-

-

20

0.509

0.039

0.096

0.027

0.804

21

0.842

0.808

0.488

0.266

0.057

22

0.121

0.898

-

0.579

0.025

23

0.696

-

1.000

0.057

0.108

24

0.002*

0.458

-

0.353

0.989

25

0.513

0.045

0.011

0.005*

0.330

26

0.001*

0.364

0.992

-

0.018

27

-

0.752

0.329

0.880

0.316

28

0.006*

-

0.732

0.310

0.420

29

0.366

0.100

-

0.145

-

30

0.723

-

0.009*

0.377

0.244

31

0.741

0.234

0.513

0.115

-

32

0.977

0.330

0.152

0.097

0.044

33

0.010

0.999

0.239

0.259

0.890

34

0.207

0.511

-

0.058

0.663

35

0.997

-

0.275

0.356

0.676

36

0.140

0.658

0.887

0.731

0.331

37

0.751

0.198

-

0.021

0.211

38

0.466

-

-

0.887

0.061

39

0.689

 

0.680

0.070

1.000

40

-

 

-

 

0.976

41

-

 

0.414

 

-

42

-

 

0.054

 

0.002*

43

0.040

 

1.000

 

0.119

44

  

0.233

 

-

45

  

0.494

 

-

46

  

0.246

  

47

  

0.068

  

48

  

0.938

  

49

  

-

  

50

  

0.173

  

51

  

0.479

  

52

  

0.995

  

53

  

0.846

  

54

  

0.988

  
  1. A dash indicates that the item has been deleted. P-values ≤ 0.01 are marked by an asterisk.