Comparison of mean (s.e.) food security score by type of plant purchased. Mean factor scores show the relative standing between groups with positive scores indicated more benefit and negative scores indicating less benefit derived. Non-buyers purchased no plants, flowering plant buyers purchased only flowering annuals or perennials, edible plant buyers purchased an herb or vegetable transplant, both purchasers made a purchase of flowering and edible plants, something purchasers purchased a plant not listed in the prior categories.