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Effectiveness of the Nutritional App “MyNutriCart” on Food Choices Related to Purchase and Dietary Behavior: A Pilot Randomized Controlled Trial

1
Department of Dietetics and Nutrition, Robert Stempel College of Public Health & Social Work, Florida International University, Miami, FL 33199, USA
2
Nutrition Program, Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, San Juan 00935, Puerto Rico
3
Center for Clinical Research and Health Promotion, School of Dental Medicine, Medical Sciences Campus, University of Puerto Rico, San Juan 00935, Puerto Rico
4
Department of Biostatistics and Epidemiology, Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, San Juan 00935, Puerto Rico
*
Author to whom correspondence should be addressed.
Nutrients 2018, 10(12), 1967; https://doi.org/10.3390/nu10121967
Received: 2 October 2018 / Revised: 20 November 2018 / Accepted: 6 December 2018 / Published: 12 December 2018
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PDF [492 KB, uploaded 12 December 2018]
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Abstract

Objective: To pilot test the effectiveness of “MyNutriCart”, a smartphone application (app) that generates healthy grocery lists, on diet and weight. Methods: A pilot randomized trial was conducted to test the efficacy of using the “MyNutriCart” app compared to one face-to-face counseling session (Traditional group) in Hispanic overweight and obese adults. Household food purchasing behavior, three 24-h food recalls, Tucker’s semi-quantitative food frequency questionnaire (FFQ), and weight were assessed at baseline and after 8 weeks. Statistical analyses included t tests, a Poisson regression model, and analysis of covariance (ANCOVA) using STATA. Results: 24 participants in the Traditional group and 27 in the App group completed the study. Most participants were women (>88%), with a mean age of 35.3 years, more than a high school education (>80%), a family composition of at least three members, and a mean baseline body mass index (BMI) of 34.5 kg/m2. There were significant improvements in household purchasing of vegetables and whole grains, in individual intakes of refined grains, healthy proteins, whole-fat dairies, legumes, 100% fruit juices, and sweets and snacks; and in the individual frequency of intake of fruits and cold cuts/cured meats within the intervention group (p < 0.05). However, no significant differences were found between groups. No changes were detected in weight. Conclusions: “MyNutriCart” app use led to significant improvements in food-related behaviors compared to baseline, with no significant differences when compared to the Traditional group. Cost and resource savings of using the app compared to face-to-face counseling may make it a good option for interventionists. View Full-Text
Keywords: nutritional application; smartphone; DGA; dietary behaviors; household food purchase behavior; obesity; overweight weight control nutritional application; smartphone; DGA; dietary behaviors; household food purchase behavior; obesity; overweight weight control
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Palacios, C.; Torres, M.; López, D.; Trak-Fellermeier, M.A.; Coccia, C.; Pérez, C.M. Effectiveness of the Nutritional App “MyNutriCart” on Food Choices Related to Purchase and Dietary Behavior: A Pilot Randomized Controlled Trial. Nutrients 2018, 10, 1967.

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