Table 1

Confirmatory factor analysis for calibration sample

SampleModelχ2dfχ2/df ratioSignificance of Δχ2Tucker-Lewis Index (TLI)Comparative fit indexRoot mean square error of approximation
CalibrationBaseline248.001681.476–0.900.920.05
Equal factor loadings269.991791.5080.02*0.890.900.05
Modified equal factor loadings model259.641761.4750.17†0.900.910.05
Hold-outBaseline249.541681.485–0.900.920.05
Equal factor loadings260.821761.4820.190.900.910.05
Equal intercepts273.181911.4300.650.980.990.05
Equal uniqueness290.522061.4100.300.990.990.05
Equal factor variance298.592101.4220.080.990.990.05

  • ↵* Represents a significant decrement in fit from the less restricted model.

  • ↵† Represents a test for decrement in fit compared with the baseline model.