Nutrition Knowledge, Food Insecurity, and Dietary Biomarkers: Examining Fruit and Vegetable Intake Among College Students.

Significant associations between nutrition knowledge and the dietary intake of total carotenoids and α-carotene were observed (r = 0.17, p = 0.03, and r = 0.20; p = 0.01, respectively), with the exception of β-carotene and lutein/zeaxanthin, which were approaching significance (r = 0.15, p = 0.05, and r = 0.14; p = 0.06, respectively).

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Despite an association between diet and plasma carotenoids with nutrition knowledge, the relationship observed between nutrition knowledge and skin carotenoid scores only approached significance.

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