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Table 2 The item analysis for Infectious Disease Specialist Nurse’s Core Competence Scale

From: Development, reliability and validity of infectious disease specialist Nurse’s Core competence scale

Item

The first round of investigation (n = 516)

Item

The second round of investigation (n = 497)

Discrete trend

Critical ratio

Correlation coefficient

Cronbach’s α coefficient

Factor analysis

Reserve or delete

Discrete trend

Critical ratio

Correlation coefficient

Cronbach’s α coefficient

Factor analysis

Reserve or delete

1

1.021

16.581

0.622**

0.979

0.628

Reserve

1

1.122

21.355

0.715**

0.973

0.821

Reserve

2

0.972

20.142

0.697**

0.979

0.705

Reserve

2

1.038

23.593

0.762**

0.972

0.831

Reserve

3

0.912

15.951

0.613**

0.979

0.632

Reserve

3

1.013

22.138

0.745**

0.973

0.810

Reserve

4

0.869

20.128

0.699**

0.979

0.712

Reserve

4

1.059

18.723

0.739**

0.973

0.690

Reserve

5

1.248

17.749

0.661**

0.979

0.655

Reserve

5

0.970

21.527

0.766**

0.972

0.783

Reserve

6

1.082

19.372

0.705**

0.979

0.714

Reserve

6

1.078

23.067

0.740**

0.973

0.825

Reserve

7

0.976

23.963

0.771**

0.979

0.784

Reserve

7

0.959

22.665

0.791**

0.972

0.766

Reserve

8

0.871

21.604

0.738**

0.979

0.748

Reserve

8

1.072

17.763

0.718**

0.973

0.679

Reserve

9

0.892

20.788

0.746**

0.979

0.756

Reserve

9

0.926

23.527

0.793**

0.972

0.778

Reserve

10

0.984

18.935

0.706**

0.979

0.712

Reserve

10

1.156

17.553

0.694**

0.973

0.681

Reserve

11

1.182

21.266

0.727**

0.979

0.747

Reserve

11

1.067

14.285

0.636**

0.973

0.613

Reserve

12

1.062

21.683

0.737**

0.979

0.755

Reserve

12

0.717

23.643

0.802**

0.972

0.675

Delete

13

1.034

16.520

0.643**

0.979

0.670

Reserve

13

0.691

25.742

0.813**

0.972

0.516

Delete

14

0.873

16.822

0.659**

0.979

0.685

Reserve

14

0.872

18.311

0.714**

0.973

0.805

Reserve

15

0.935

21.970

0.749**

0.979

0.766

Reserve

15

0.870

14.852

0.655**

0.973

0.805

Reserve

16

0.929

18.429

0.706**

0.979

0.735

Reserve

16

0.893

17.143

0.712**

0.973

0.785

Reserve

17

0.878

20.668

0.714**

0.979

0.737

Reserve

17

1.072

17.014

0.679**

0.973

0.783

Reserve

18

0.914

23.364

0.770**

0.979

0.789

Reserve

18

0.864

20.680

0.709**

0.973

0.764

Reserve

19

1.025

21.332

0.724**

0.979

0.749

Reserve

19

0.865

19.991

0.741**

0.973

0.767

Reserve

20

1.118

25.960

0.786**

0.979

0.793

Reserve

20

0.899

24.869

0.783**

0.972

0.731

Reserve

21

0.967

19.003

0.691**

0.979

0.699

Reserve

21

0.920

22.991

0.765**

0.972

0.686

Reserve

22

1.096

25.580

0.788**

0.979

0.787

Reserve

22

1.081

18.759

0.738**

0.973

0.676

Reserve

23

0.893

21.598

0.765**

0.979

0.778

Reserve

23

0.923

17.195

0.694**

0.973

0.634

Reserve

24

0.995

27.853

0.795**

0.979

0.802

Reserve

24

0.901

17.764

0.725**

0.973

0.624

Reserve

25

0.971

27.697

0.785**

0.979

0.775

Reserve

25

0.860

21.877

0.746**

0.973

0.647

Reserve

26

0.956

22.410

0.736**

0.979

0.726

Reserve

26

0.873

21.980

0.736**

0.973

0.593

Reserve

27

1.003

20.695

0.722**

0.979

0.703

Reserve

27

0.923

21.604

0.770**

0.972

0.590

Reserve

28

1.109

20.393

0.707**

0.979

0.678

Reserve

28

1.015

16.471

0.645**

0.973

0.645

Reserve

29

0.928

25.645

0.758**

0.979

0.738

Reserve

29

0.863

13.593

0.612**

0.973

0.711

Reserve

30

0.936

18.827

0.684**

0.979

0.647

Reserve

30

0.865

18.466

0.712**

0.973

0.745

Reserve

31

0.962

18.918

0.705**

0.979

0.670

Reserve

31

0.868

21.328

0.703**

0.973

0.742

Reserve

32

1.077

17.242

0.695**

0.979

0.662

Reserve

32

0.889

19.560

0.705**

0.973

0.716

Reserve

33

1.132

16.469

0.656**

0.979

0.620

Reserve

33

0.855

18.025

0.688**

0.973

0.706

Reserve

34

0.961

19.846

0.724**

0.979

0.693

Reserve

34

0.942

17.373

0.667**

0.973

0.528

Reserve

35

0.974

26.916

0.801**

0.979

0.798

Reserve

35

0.972

20.765

0.752**

0.972

0.574

Reserve

36

1.103

30.149

0.809**

0.979

0.809

Reserve

36

0.933

21.960

0.773**

0.972

0.507

Reserve

37

1.004

25.393

0.789**

0.979

0.785

Reserve

       

38

1.021

27.949

0.794**

0.979

0.794

Reserve

       

39

0.912

21.392

0.733**

0.979

0.723

Reserve

       

40

0.865

25.105

0.738**

0.979

0.723

Reserve

       

41

0.992

26.390

0.760**

0.979

0.750

Reserve

       

42

0.919

26.461

0.776**

0.979

0.761

Reserve

       

43

0.893

21.335

0.699**

0.979

0.703

Reserve

       

44

1.049

20.527

0.698**

0.979

0.700

Reserve

       

45

0.976

14.805

0.565**

0.979

0.582

Reserve

       

46

0.998

19.677

0.701**

0.979

0.713

Reserve

       

47

1.009

19.919

0.704**

0.979

0.715

Reserve

       
  1. Note: **P < 0.01