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Table 2 Descriptive statistics of the items (upper panel) and the scale (lower panel) for the GAI-CV

From: Item response analysis of the Geriatric Anxiety Inventory among the elderly in China: dimensionality and differential item functioning test

Item

M

SD

Hj

SE

citc

1

0.15

0.35

0.464

0.029

0.541

2

0.16

0.37

0.443

0.030

0.501

3

0.09

0.28

0.591

0.028

0.689

4

0.11

0.32

0.518

0.028

0.631

5

0.08

0.28

0.579

0.030

0.666

6

0.17

0.37

0.585

0.026

0.661

7

0.12

0.33

0.590

0.024

0.723

8

0.18

0.39

0.622

0.026

0.677

9

0.18

0.38

0.641

0.024

0.717

10

0.11

0.31

0.618

0.023

0.753

11

0.13

0.34

0.607

0.023

0.741

12

0.13

0.33

0.429

0.030

0.514

13

0.11

0.32

0.575

0.025

0.704

14

0.07

0.26

0.535

0.035

0.590

15

0.05

0.23

0.630

0.037

0.620

16

0.08

0.27

0.585

0.030

0.671

17

0.04

0.18

0.747

0.033

0.589

18

0.06

0.23

0.477

0.042

0.474

19

0.06

0.24

0.644

0.032

0.664

20

0.11

0.32

0.564

0.025

0.691

M

Ā Ā 

2.19

Ā Ā 

SD

Ā Ā 

4.18

Ā Ā 

H

Ā Ā 

0.565

0.020

Ā 

Ī±

Ā Ā 

0.937

Ā Ā 

Ī»2

Ā Ā 

0.940

Ā Ā 

MS

Ā Ā 

0.947

Ā Ā 
  1. Note. Nā€‰=ā€‰1314. Hj Item-scalability coefficient, SE Standard error of item scalability coefficient, citc Corrected itemā€“test correlation, H Total-scalability coefficient, Ī± Cronbachā€™s alpha, Ī»2 Guttmanā€™s lambda-2, MS Molenaarā€“Sijtsma method
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BMC Geriatrics

ISSN: 1471-2318

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