FIGURE 4.

Conceptual framework: factors affecting the food security of TFWs. The boxes “Push Factors,” “Pull Factors,” “Facilitating Factors,” and “Barriers/Obstacles” are drivers of migration, and the items associated with each box are example drivers as reported in the literature. The superscript numbers that appear in the boxes “Physical Environment,” “Social Environment,” “Economic Environment,” “Health/Psychological Environment,” and “Policy/Political/Legal Environment” refer to the relevant reference numbers under which food security was discussed. H-2A, US Temporary Agricultural Workers Program; SAWP, Seasonal Agricultural Worker Program; TFW, temporary foreign farm worker; TFWP, temporary foreign worker program.