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Title: Evaluation of a mobile application for estimation of food intake
Authors: Mescoloto, Samantha Bittencourt [UNIFESP]
Caivano, Simone [UNIFESP]
Domene, Semiramis Martins Alvares [UNIFESP]
Keywords: Diet
Diet sugens
Nutritional surveillance
Issue Date: 2017
Publisher: Pontificia Universidade Catolica Campinas
Citation: Revista De Nutricao-Brazilian Journal Of Nutrition. Campinas, v. 30, n. 1, p. 91-98, 2017.
Abstract: Objective Evaluate the use of the Nutrabem (Sao Paulo, Brasil) mobile application as a tool for measurement of food intake among university students. Methods Cross-sectional study of a random sample of 40 undergraduate students at the Universidade Federal de Sao Paulo, Campus Baixada Santista. Food intake data were estimated using the Nutrabem app and the 24-hour dietary recall. Intakes of energy, carbohydrates, proteins, lipids, calcium, iron, and vitamin C were calculated. The intake of food groups and diet quality were evaluated by the Diet Quality Index associated with the Digital Food Guide. The agreement between the methods was assessed using the Pearson's correlation coefficient and the Student' t-test. Results Strong correlations were observed between energy (0.77), carbohydrates (0.82) and protein (0.83). The groups: poultry, fish, and eggs
beef and pork
refined grains and breads
and fruits and legumes showed strong correlations (between 0.76 and 0.85). There were moderate correlations (0.59 and 0.71) between the groups sugars and sweets
whole grains, tubers and roots, milk and dairy products, animal fats, and the Diet Quality Index associated with the Digital Food Guide scores. Vegetables and leafy greens, nuts, and vegetable oils showed weak correlations (0.31 and 0.43). Homogeneity assessment revealed similarity between the results obtained by both methods (p>0.05). Conclusion The Nutrabem app can be used as a tool to assess dietary intake among university students since it produces results similar to those obtained by the 24-hour dietary recall method.
ISSN: 1415-5273
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