NLAI
The NLAI is a 26-item validated instrument measuring nutrition literacy—the ability to understand nutrition information and use it to make healthy food choices. Developed by Diamond and refined through validation studies by Rothman and colleagues, the NLAI evaluates comprehension of nutrition labels, understanding of portion sizes, knowledge of daily values, and ability to interpret nutrient claims. Nutrition literacy is a critical determinant of dietary quality and health outcomes, particularly in populations with low general literacy or limited numeracy.
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- Diamond, M. R. (2007). Development of a reliable and valid nutrition literacy assessment instrument. Journal of Nutrition Education and Behavior, 39(Suppl 5), S26–S30. · URL
- Rothman, R. L., Housam, R., Weiss, H., et al. (2006). Patient understanding of food labels: the role of literacy and numeracy. American Journal of Preventive Medicine, 31(5), 391–398. · DOI 10.1016/j.amepre.2006.07.025
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