Most comparisons of QOL between
regimens have compared values before and after initiating pump
use with t - tests or analyses of variance and have not considered trajectories of change during the transition or factors contributing to the changes that were found (Cogen et al., 2007; Juliusson et al., 2006; McMahon et al., 2004), leaving much unknown about youths» and families» experiences over this
period.