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Table 7 Partial measurement invariance across gender, class standing and family income

From: Psychometric properties and measurement invariance of the 7-item game addiction scale (GAS) among Chinese college students

Model

Model Fit Indices

Gender

 

χ2 (df)

Δχ2 (Δdf)

CFI

ΔCFI

RMSEA

ΔRMSEA

 Model 1.1

14.876 (14)

 

0.999

 

0.008

 

 Model 1.2

29.786 (20)

14.910 (6)

0.986

−0.013

0.022

0.014

 Model 1.3

20.903 (19)

6.027 (5)

0.997

−0.001

0.010

0.002

Class standing

 Model 2.1

19.403 (21)

 

1.000

 

0.000

 

 Model 2.2

45.532 (33)

26.129 (12)

0.984

−0.016

0.019

0.019

 Model 2.3

32.775 (31)

13.372 (10)

0.998

−0.002

0.007

0.007

Family income

 Model 3.1

55.048 (49)

 

0.993

 

0.011

 

 Model 3.2

76.808 (61)

21.76 (12)

0.982

−0.011

0.016

0.005

 Model 3.3

67.005 (59)

 

0.991

−0.002

0.011

0

  1. Model 1.1: Unconstrained model
  2. Model 1.2: All item loading equal
  3. Model 1.3: item loadings 1,3,4,5,6,7 equal
  4. Model 2.1: Unconstrained model
  5. Model 2.2: All item loading equal
  6. Model 2.3: item loadings 1,2,3,4,5,6 equal
  7. Model 3.1: Unconstrained model
  8. Model 3.2: All item loading equal
  9. Model 3.3: item loadings 1,2,3,4,6,7 equal
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BMC Psychiatry

ISSN: 1471-244X

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