Doctor of Philosophy (PhD)
Dietetics and Nutrition
First Advisor's Name
Dr. Cristina Palacios
First Advisor's Committee Title
Second Advisor's Name
Dr. Fatma Huffman
Second Advisor's Committee Title
Third Advisor's Name
Dr. Catherine Coccia
Third Advisor's Committee Title
Fourth Advisor's Name
Dr. Changwon Yoo
Fourth Advisor's Committee Title
smartphone application, snack quality, diet quality, body weight, snacking behavior, overweight and obese, college students
Date of Defense
College is a challenging period to make healthy food and snack choices and this could lead to poor diet quality and weight gain in the future. The Snackability application (app) was developed using the Social Cognitive Theory for behavior change to help students choose healthy snacks based on the USDA guidelines. The objective of this study was to determine whether the app improved snack, diet quality, and body weight in overweight and obese college students within a two-arm, 12-week randomized controlled trial (RCT). A total of 139 participants completed all baseline measures and were randomized into the control or app groups. Baseline characteristics were similar between groups. Overall, mean age was 21.1 (1.7) years, 84.6% were females, 30.9% were Hispanic, 51.1% had an income less than $50,000, and mean BMI was 30.4 (5.6) kg/m2. Participants in the app group significantly increased snack score at week 4 (P
Previously Published In
Prapkree L, Sadjadi M, Huffman F, Palacios C. Development and pilot testing of the Snackability smartphone application to identify healthy and unhealthy snacks. Healthc Inform Res. 2019;25(3):161-172.
Eicher-Miller HA, Prapkree L, Palacios C. Expanding the capabilities of nutrition research and health promotion through mobile-based applications. Adv Nutr. 2021;12(3):1032-1041.
Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License.
Prapkree, Lukkamol, "Effect of Using the Snackability Smartphone Application to Improve the Quality of Snack Intake, General Diet Quality, and Weight among College Students" (2022). FIU Electronic Theses and Dissertations. 5048.
In Copyright. URI: http://rightsstatements.org/vocab/InC/1.0/
This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).