Hypothesized Baron-Kenny causal mediation model of the Supplemental Nutrition Assistance Program-Education (SNAP-Ed) intervention effect by the “change in one year participation status” in Supplemental Nutrition Assistance Program (SNAP), Women, Infants, and Children (WIC), or food pantries on the change in one year food security score among Indiana SNAP-Ed Study participants. a = the relationship of the exposure on the suspected mediator using regression, b = the relationship of the suspected mediator on the outcome using regression, c = the relationship of the exposure on the outcome using regression.