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Table 4 Measurement invariance between groups for the three scales evaluated (n = 2137)

From: Development of the set of scales to assess the job satisfaction among physicians in Peru: validity and reliability assessment

         

DIFFTEST

Scale

Group

Invariance

X2-Robust

df

CFI

RMSEA

SRMR

ΔCFI

Value

df

p

Satisfaction scale on general professional activity

Sex a

Configural

659.1

18

0.920

0.120

0.062

 

Thresholds

733.4

30

0.913

0.097

0.062

−0.008

23.1

12

0.027

 

Metrict

689.4

35

0.919

0.087

0.063

0.006

9.8

5

0.081

 

Scalar

790.4

40

0.907

0.087

0.063

−0.012

71.3

5

0.000

Civil status

Configural

655.0

18

0.920

0.119

0.062

 

Thresholds

716.1

30

0.913

0.096

0.062

−0.006

14.9

12

0.250

 

Metrict

670.6

35

0.920

0.085

0.063

0.006

10.5

5

0.063

 

Scalar

651.7

40

0.923

0.078

0.063

0.003

3.0

5

0.704

Work in other institution a

Configural

679.1

18

0.916

0.122

0.063

 

Thresholds

759.6

30

0.908

0.099

0.063

−0.009

27.9

12

0.006

 

Metrict

709.7

35

0.915

0.088

0.064

0.007

9.3

5

0.099

 

Scalar

970.3

40

0.882

0.097

0.064

−0.032

153.3

5

0.000

Work-related illness

Configural

632.2

18

0.920

0.117

0.062

 

Thresholds

687.6

30

0.914

0.094

0.062

−0.006

16.4

12

0.172

 

Metrict

646.5

35

0.920

0.084

0.063

0.006

13.5

5

0.019

 

Scalar

729.0

40

0.911

0.830

0.064

−0.009

49.0

5

0.000

Chronic disease

Configural

664.7

18

0.918

0.120

0.063

Thresholds

727.3

30

0.911

0.097

0.063

−0.006

19.5

12

0.077

Metrict

661.4

35

0.920

0.085

0.063

0.009

6.7

5

0.243

Scalar

651.3

40

0.922

0.078

0.063

0.002

9.4

5

0.095

Time working a

Configural

754.3

36

0.910

0.127

0.066

 

Thresholds

825.7

72

0.906

0.092

0.066

−0.004

45.7

36

0.130

 

Metrict

753.9

87

0.917

0.079

0.068

0.011

20.4

15

0.016

 

Scalar

814.1

102

0.911

0.075

0.068

−0.006

44.9

15

0.000

Health Services Management Satisfaction Scale

Sex

Configural

1446.1

40

0.977

0.119

0.042

 

Thresholds

1299.7

56

0.980

0.095

0.042

0.003

24.1

16

0.087

 

Metrict

1267.4

63

0.980

0.088

0.043

0.001

27.0

7

0.000

 

Scalar

1317.7

70

0.980

0.085

0.043

−0.001

50.8

7

0.000

Age

Configural

1542.4

80

0.976

0.121

0.044

 

Thresholds

1364.9

128

0.980

0.088

0.044

0.004

84.2

48

0.001

 

Metrict

1257.1

149

0.982

0.077

0.044

0.002

24.5

21

0.269

  

Scalar

1325.6

170

0.981

0.074

0.044

−0.001

51.2

21

0.000

Civil status

Configural

1445.7

40

0.977

0.119

0.042

 

Thresholds

1289.1

56

0.980

0.094

0.042

0.003

12.7

16

0.694

 

Metrict

1194.2

63

0.982

0.085

0.043

0.002

14.1

7

0.050

 

Scalar

1172.5

70

0.982

0.080

0.043

0.000

11.0

7

0.139

With specialty

Configural

1456.5

60

0.977

0.119

0.043

 

Thresholds

1199.4

92

0.982

0.085

0.043

0.005

36.5

32

0.267

 

Metrict

1111.8

106

0.984

0.076

0.043

0.002

15.5

14

0.343

 

Scalar

1168.4

120

0.983

0.073

0.043

− 0.001

41.8

14

0.000

Work in other institution

Configural

1483.5

40

0.976

0.121

0.044

 

Thresholds

1377.8

56

0.978

0.097

0.043

0.002

39.1

16

0.001

 

Metrict

1319.4

53

0.979

0.900

0.043

0.001

21.0

7

0.004

 

Scalar

1327.1

70

0.979

0.085

0.043

0.000

28.4

7

0.000

Work-related illness

Configural

1446.0

40

0.977

0.119

0.043

 

Thresholds

1289.1

56

0.980

0.094

0.043

0.003

16.2

16

0.442

 

Metrict

1154.5

53

0.982

0.083

0.043

0.002

9.9

7

0.197

 

Scalar

1141.3

70

0.982

0.078

0.043

0.000

14.5

7

0.043

Chronic disease

Configural

1448.5

40

0.977

0.119

0.043

Thresholds

1278.8

56

0.980

0.094

0.043

0.003

18.2

16

0.311

Metrict

1163.0

53

0.982

0.084

0.043

0.002

7.2

7

0.410

Scalar

1129.2

70

0.983

0.078

0.043

0.001

6.9

7

0.434

Time working

Configural

1480.5

80

0.978

0.119

0.043

 

Thresholds

1311.4

128

0.981

0.086

0.043

0.003

83.6

48

0.001

 

Metrict

1216.8

149

0.983

0.076

0.044

0.002

21.9

21

0.408

 

Scalar

1345.0

170

0.981

0.075

0.044

−0.002

79.3

21

0.000

Satisfaction scale on the working conditions of the health center

Sex

Configural

1880.1

86

0.946

0.092

0.055

 

Thresholds

1991.2

108

0.944

0.084

0.055

−0.003

30.0

22

0.119

 

Metrict

1905.0

117

0.946

0.078

0.055

0.003

31.7

9

0.000

 

Scalar

1979.6

126

0.945

0.077

0.055

−0.002

72.9

9

0.000

Age

Configural

1850.8

172

0.949

0.089

0.055

 

Thresholds

2030.1

238

0.945

0.078

0.055

−0.003

101.7

66

0.003

 

Metrict

1794.9

265

0.953

0.068

0.055

0.008

26.4

27

0.499

 

Scalar

1937.3

292

0.950

0.067

0.055

−0.004

89.8

27

0.000

Civil status

Configural

1784.8

86

0.949

0.089

0.054

 

Thresholds

1889.2

108

0.946

0.081

0.054

−0.002

26.4

22

0.237

 

Metrict

1741.4

117

0.951

0.075

0.054

0.005

8.1

9

0.523

 

Scalar

1733.6

126

0.952

0.072

0.054

0.001

23.5

9

0.005

With specialty

Configural

1829.2

129

0.949

0.089

0.054

 

Thresholds

1922.9

173

0.947

0.078

0.054

−0.001

47.8

44

0.322

 

Metrict

1763.5

191

0.953

0.070

0.055

0.005

32.5

18

0.019

 

Scalar

2047.4

209

0.945

0.073

0.055

−0.008

138.7

18

0.000

Work in other institution

Configural

1775.6

86

0.949

0.089

0.053

 

Thresholds

1886.9

108

0.946

0.081

0.053

−0.003

31.0

22

0.097

 

Metrict

1778.1

117

0.950

0.076

0.054

0.004

18.2

9

0.033

 

Scalar

1779.8

126

0.950

0.073

0.054

0.000

27.1

9

0.001

Work-related illness

Configural

1781.1

86

0.949

0.089

0.054

 

Thresholds

1889.6

108

0.947

0.081

0.054

−0.003

35.2

22

0.035

 

Metrict

1732.0

117

0.952

0.075

0.055

0.005

12.7

9

0.175

 

Scalar

1739.8

126

0.952

0.072

0.055

0.000

28.6

9

0.001

Chronic disease

Configural

1768.3

86

0.950

0.089

0.053

Thresholds

1851.7

108

0.948

0.081

0.053

−0.002

22.3

22

0.444

Metrict

1723.9

117

0.952

0.074

0.053

0.004

16.0

9

0.067

Scalar

1708.6

126

0.953

0.071

0.054

0.001

18.9

9

0.026

Time working

Configural

1894.6

172

0.949

0.090

0.056

 

Thresholds

2063.4

238

0.946

0.079

0.056

−0.003

99.3

66

0.005

 

Metrict

1934.3

265

0.950

0.071

0.057

0.005

54.5

27

0.001

 

Scalar

2123.5

292

0.946

0.071

0.057

−0.005

120.9

27

0.000

  1. X2-Robust = Chi squared Robust. gl = Degrees of freedom. CFI Comparative fit index. TLI Tucker-Lewis index. RMSEA Root mean square error of approximation. SRMR Standardized root mean square residual. ΔCFI Variation of the Comparative-Fit-Index. DIFFTEST ANOVA difference test. a The measurement invariance is not met between the groups