The test-retest reliability and validity of food photography and food diary analyses.
Christopher CurtisSamuel P HillsNicola ArjomandkhahCarlton CookeMayur K RanchordasMark RussellPublished in: Nutrition & dietetics : the journal of the Dietitians Association of Australia (2024)
Greater reliability and validity occurred in food diaries versus food photography. These findings suggest that using food photography may lead to an underestimation of energy and macronutrient content, which may have implications for dietary interventions and nutritional strategies.