Supplemental material, sj-zip-1-smm-10.1177_0962280215590432 for Accounting for dropout reason in longitudinal studies with nonignorable dropout by Camille M Moore, Samantha MaWhinney, Jeri E Forster, Nichole E Carlson, Amanda Allshouse, Xinshuo Wang, Jean-Pierre Routy, Brian Conway, Elizabeth Connick, Professor Marie Davidian in Statistical Methods in Medical Research