Table 1: Systems science properties and nine properties of obesity.

Systems science propertiesObesity properties

BreadthObesity prevention and treatment should be considered a common resource allocation problem
Feedback LoopsObesity shapes and reflects a range of other issues
Dynamic systems in real timeObesity and its consequences are developmental processes
Interactions of individuals actorsObesity is a social process involving families, peers, and other individuals
Interactions between multiple levelsObesity operates within a community environment that moderates family and individual levels
Complex relational structuresInterventions can only be assessed over time and can have unanticipated results
Heterogeneous actorsPeople are heterogeneous in their biological and behavioral predispositions towards obesity
SpatialIndividuals all have a space within the system
Bounded rationalityIndividuals have imperfect knowledge about obesity