TABLE 1.

Descriptions of SKILLD Scale, DNT-15, and USDA Food Security Questionnaire

SKILLD Scale (10)	• Validated 10-item survey developed to assess diabetes self-management and knowledge in low-literacy patients • Score range: 0–10
DNT-15 (9)	• Validated 15-question assessment developed to assess numerical literacy of patients with diabetes • Questions include interpreting serving sizes and calculating insulin doses • Score range: 0–15
USDA Food Security Questionnaire (24)	• Validated open-source, 6-item questionnaire developed to determine food security in the United States • Score range: 0–6 • Food security categories: high (0–1), low (2–4), very low (5–6) • Lower score associated with greater food security