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Table 2 Psychometric properties of the Chinese version AS-20 (AS-C)

From: Development and application of the Chinese version of the adult strabismus quality of life questionnaire (AS-20): a cross-sectional study

Subscale

Item number

Critical ratio (CR)

Factor loading

Test-retest reliability

Cronbach’s Alpha if item deleted

Split-half reliability

Psychosocial

     

0.889

People are thinking about my eyes

2

15.518**

0.615

0.510**

0.901

 

Feel uncomfortable

3

9.871**

0.532

0.339*

0.905

 

Wonder what people are thinking

4

11.231**

0.536

0.587**

0.903

 

Don’t give me opportunities

5

12.476**

0.421

0.357*

0.903

 

Feel self-conscious

6

16.744**

0.655

0.720**

0.899

 

Avoid looking at me

7

11.092**

0.449

0.562**

0.903

 

Feel inferior

8

15.992*

0.644

0.697**

0.899

 

React differently

9

11.039**

0.481

0.588**

0.902

 

Hard to initiate contact

10

13.699**

0.535

0.516**

0.902

 

Feel stressed

17

19.460**

0.658

0.392*

0.897

 

Worry about my eyes

18

12.079**

0.422

0.446**

0.903

 

Can’t enjoy my hobbies

19

14.993**

0.476

0.414**

0.901

 

Function

     

0.803

Cover or close one eye

11

7.148**

0.425

0.648**

0.907

 

Avoid reading

12

6.969**

0.483

0.388*

0.907

 

Stop doing things

13

6.097**

0.469

0.673**

0.908

 

Depth perception

14

9.262**

0.488

0.575**

0.905

 

Have problems reading

16

7.103**

0.614

0.731**

0.907

 

Frequent breaks

20

10.326**

0.561

0.548**

0.905

 
  1. **P < 0.01, two sides, *P < 0.05, two sides.