Dear all,
I am stuck on the following problem that I would like to model in Stata:
I have this multilevel model:
Outcome scores (3 time points) = B0 + B1 (independent variable 1)
Now I want to add three covariates; each covariate controlling for outcome scores that were completed just before each time point (where the outcome scores were completed again). So, for example; covariate one includes the outcome scores that were rated just before the first time point; the second covariate includes the outcome scores rated just before the second time point, etc.
But how to do so; is it even possible to add these covariates in a way that the covary out the score of the subsequent outcome score but not the other outcome scores? And how can these covariates be added in one coefficient into the model?
Does anyone have any experience with this?
Best regards,
Sanne Bruijniks
I am stuck on the following problem that I would like to model in Stata:
I have this multilevel model:
Outcome scores (3 time points) = B0 + B1 (independent variable 1)
Now I want to add three covariates; each covariate controlling for outcome scores that were completed just before each time point (where the outcome scores were completed again). So, for example; covariate one includes the outcome scores that were rated just before the first time point; the second covariate includes the outcome scores rated just before the second time point, etc.
But how to do so; is it even possible to add these covariates in a way that the covary out the score of the subsequent outcome score but not the other outcome scores? And how can these covariates be added in one coefficient into the model?
Does anyone have any experience with this?
Best regards,
Sanne Bruijniks
