Partition of the population into 14 subpopulations using the supine blood pressure measurements as indicators and including the covariates in LPA-SEM procedure. The figure shows the distribution of the 14 subpopulations and the overall statistics of the study population. Similar distributions were obtained in the other models. A view of the subpopulations in the Supine model can be seen in Additional file 5.
Fenger et al. BMC Genetics 2011 12:44 doi:10.1186/1471-2156-12-44