Additional file 2.

Categorical outcome parameter and standard error estimates across level-1, level-2, combined-level models, weight scaling methods, and software programs (Mplus estimates a threshold rather than an intercept. These differ only in sign. [21]For presentation, I converted the threshold to a slope). The data provided present the multilevel results across categorical models, weight scaling methods, and software programs.

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Carle BMC Medical Research Methodology 2009 9:49   doi:10.1186/1471-2288-9-49