vs. ATSI3, and BTS4 vs. ATSI4) to illustrate the relationship between the comprehensive level and individual levels of sustainability. Finally, statistical results from these models cannot be compared between one destination and another because the types and characteristics of the destinations and samples will differ. The main purpose of these models is not to see if a tourist destination is doing better than others but if it is doing well on its own. Nevertheless, the statistical results can be comparable if uniform sets of indicators are used. One of the benefits of modelling is being able to compare different destinations.