https://theconversation.com/do-poor-people-eat-more-junk-food-than-wealthier-americans-79154
Another finding was that working more hours raises fast-food consumption, regardless of income level. People eat it because it’s fast and convenient. This suggests policies that make nutritious foods more readily available, quickly, could help offset the lure of fast food. For example, reducing the red tape for approving food trucks that serve meals containing fresh fruits and vegetables could promote healthier, convenient eating.