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Table 3 Measurement invariance tests regarding sex and Metropolitan Influence Zone

From: Evidence for measurement bias of the short form health survey based on sex and metropolitan influence zone in a secondary care population

 Modelχ2dfRMSEA [95% CI]CFI
Sex1. Configural120.00286.043 [.022–.060].971
2. Metric118.349101.028 [.000–.047].985
3. Scalar139.229111.035 [.010–.051].976*
3a. Partial Scalar (intercepts for items 10,11 free)129.661109.030 [.000–.048].982
4. Partial Strict (intercepts for items 10,11 free)141.434121.028 [.000–.046].983
MIZ1. Configural118.58086.042 [.021–.060].973
2. Metric122.457101.032 [.000–.050].982
3. Scalar138.409111.034 [.008–.051].977*
3a. Partial Scalar (Intercepts for item 2 free)135.244110.033 [.000–.050].979
4. Partial Strict (Intercepts for item 2 free)163.871122.040 [.022–.055]*.965*
  1. *significant deterioration in model fit indicated by change in RMSEA > .01 and/or change in CFI < −.004 [40]