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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
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BMC Public Health

ISSN: 1471-2458

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