Hayes AF, Montoya AK, Rockwood NJ. The analysis of mechanisms and their contingencies: PROCESS versus structural equation modeling. AMJ. 2017 Feb;25(1):76-81. doi: 10.1016/j.ausmj.2017.02.001
Finkelstein EA, Ruhm C, Kosa KM. Economic causes and consequences of obesity. Annu Rev Public Health. 2005;26:239-57.