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Table 3 Results of the reliability analysis of the Turkish version of NSCS

From: The Turkish version of the self-care behaviors scale for rheumatoid arthritis patients: cross-cultural adaptation and psychometric evaluation

Subscales

Items

Mean ± SD

Cronbach’s α

if item deleted

Cronbach’s α

ICC (n = 30)

Physical Activity

1

2.10 ± 1.24

0.867

0.782

0.875*

 

2

2.15 ± 1.24

0.867

  
 

3

2.43 ± 1.48

0.867

  
 

4

2.12 ± 1.36

0.867

  
 

5

2.34 ± 1.29

0.867

  
 

6

2.03 ± 1.22

0.866

  

Medication

7

3.65 ± 0.92

0.866

0.747

0.769*

 

8

2.40 ± 0.93

0.866

  
 

9

2.18 ± 1.17

0.866

  

Stress Management/

10

3.78 ± 1.26

0.866

0.788

0.818*

Others

11

3.04 ± 1.41

0.866

  
 

12

3.51 ± 1.32

0.866

  
 

13

3.01 ± 1.10

0.866

  

Nutrition/Joints

14

3.40 ± 1.42

0.866

0.760

0.777*

Protection

15

3.02 ± 1.19

0.866

  
 

16

3.11 ± 1.23

0.866

  
 

17

2.55 ± 1.00

0.867

  

Management of Daily

18

2.57 ± 1.10

0.866

0.797

0.851*

Activities

19

2.31 ± 1.28

0.866

  
 

20

1.85 ± 1.13

0.866

  

Pain Management

21

1.99 ± 1.32

0.866

0.811

0.774*

 

22

2.77 ± 1.03

0.866

  
 

23

2.10 ± 1.07

0.866

  

Tobacco/Drug Use

24

3.66 ± 0.80

0.866

0.753

0.870*

 

25

3.22 ± 1.39

0.866

  

Total scale

 

69.71 ± 12.04

 

0.867

0.815*

  1. SD Standard deviation, ICC Intraclass correlation coefficient
  2. *: p < 0.001