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Stables, RG, Kasper, AM, Sparks, SA, Morton, JP and Close, GL (2021) An Assessment of the Validity of the Remote Food Photography Method (Termed Snap-N-Send) in Experienced and Inexperienced Sport Nutritionists. International Journal of Sport Nutrition and Exercise Metabolism, 31 (2). pp. 125-134. ISSN 1526-484X
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An Assessment of the Validity of the Remote Food Photography Method (Termed Snap-N-Send) in Experienced and Inexperienced Sport Nutritionists.pdf - Accepted Version Download (1MB) | Preview |
Abstract
The remote food photography method, often referred to as “Snap-N-Send” by sport nutritionists, has been reported as a valid method to assess energy intake in athletic populations. However, preliminary studies were not conducted in true free-living conditions, and dietary assessment was performed by one researcher only. The authors, therefore, assessed the validity of Snap-N-Send to assess the energy and macronutrient composition in experienced (EXP, n = 23) and inexperienced (INEXP, n = 25) sport nutritionists. The participants analyzed 2 days of dietary photographs, comprising eight meals. Day 1 consisted of “simple” meals based around easily distinguishable foods (i.e., chicken breast and rice), and Day 2 consisted of “complex” meals, containing “hidden” ingredients (i.e., chicken curry). The estimates of dietary intake were analyzed for validity using one-sample t tests and typical error of estimates (TEE). The INEXP and EXP nutritionists underestimated energy intake for the simple day (mean difference [MD] = −1.5 MJ, TEE = 10.1%; −1.2 MJ, TEE = 9.3%, respectively) and the complex day (MD = −1.2 MJ, TEE = 17.8%; MD = −0.6 MJ, 14.3%, respectively). Carbohydrate intake was underestimated by INEXP (MD = −65.5 g/day, TEE = 10.8% and MD = −28.7 g/day, TEE = 24.4%) and EXP (MD = −53.4 g/day, TEE = 10.1% and −19.9 g/day, TEE = 17.5%) for both the simple and complex days, respectively. Interpractitioner reliability was generally “poor” for energy and macronutrients. The data demonstrate that the remote food photography method/Snap-N-Send underestimates energy intake in simple and complex meals, and these errors are evident in the EXP and INEXP sport nutritionists.
| Item Type: | Article |
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| Additional Information: | Accepted author manuscript version reprinted, by permission, from International Journal of Sport Nutrition and Exercise Metabolism, 2021, 31 (2):125-134 pp-pp, https://doi.org/10.1123/ijsnem.2020-0216 © Human Kinetics, Inc. |
| Uncontrolled Keywords: | Science & Technology; Life Sciences & Biomedicine; Nutrition & Dietetics; Sport Sciences; dietary intake; LEA; RED-S; DIETARY-INTAKE; ENERGY-INTAKE; EXPENDITURE; WEIGHT; Humans; Photography; Nutrition Assessment; Reproducibility of Results; Diet Records; Sports Nutritional Physiological Phenomena; Cell Phone; LEA; RED-S; dietary intake; Cell Phone; Diet Records; Humans; Nutrition Assessment; Photography; Reproducibility of Results; Sports Nutritional Physiological Phenomena; 1106 Human Movement and Sports Sciences; 1116 Medical Physiology; Sport Sciences |
| Subjects: | T Technology > TX Home economics > TX341 Nutrition. Foods and food supply R Medicine > RC Internal medicine > RC1200 Sports Medicine |
| Divisions: | Sport & Exercise Sciences |
| Publisher: | Human Kinetics |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 23 May 2022 10:21 |
| Last Modified: | 23 May 2022 10:30 |
| DOI or ID number: | 10.1123/ijsnem.2020-0216 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/16728 |
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