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. Author manuscript; available in PMC: 2016 Jun 16.
Published in final edited form as: J Am Geriatr Soc. 2015 Jun 11;63(6):1112–1120. doi: 10.1111/jgs.13444

Table 3.

Tests of longitudinal invariance in executive function.

Model χ2 (df) χ2p value CFI RMSEA (90% CI) BIC χ2 difference p value1
1. Configural invariance model 43.45 (29) 0.04 0.99 .05 (.01, .08) 1587.86 --
2. Metric invariance model 44.60 (33) 0.09 0.99 .04 (.00, .07) 1567.96 0.89
3. Scalar invariance model 52.32 (37) 0.05 0.99 .05 (.00, .07) 1554.63 0.10
4. Residual invariance model 57.77 (42) 0.05 0.99 .04 (.00, .07) 1533.76 0.36

Notes. BIC = Bayesian Information Criterion. CFI = Comparative Fit Index. CI = Confidence Interval.

RMSEA = Root Mean Square Error of Approximation.

1

Compares change in χ2 model fit of current model from previous model