Multiple groups by sex, constraining PreviousNext
Mplus Discussion > Growth Modeling of Longitudinal Data >
 Nicole Watkins posted on Sunday, June 02, 2019 - 2:10 pm
I am doing a LGC multiple groups analysis to look at different trajectories of depression over 6 time points. I will then add a time-varying predictor at 4 of the time points and I would like to see if the association between that time-varying predictor on depression is different for males vs females.

My questions are:
1) Do I start with a completely unconstrained model and then constrain certain pathways?

2) Would I start first with just the trajectory model, and then once that has a good model fit, then add in the time-varying predictor and see if those paths are different?

Thank you for your assistance.

 Bengt O. Muthen posted on Monday, June 03, 2019 - 2:52 pm
General analysis strategy questions are suitable for SEMNET.
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