J Nutr Health.  2019 Oct;52(5):488-500. 10.4163/jnh.2019.52.5.488.

Mobile application-based dietary sugar intake reduction intervention study according to the stages of behavior change in female college students

• Choi Y
• Kim HS

• KMID: 2461461
• DOI: http://doi.org/10.4163/jnh.2019.52.5.488

Abstract

PURPOSE
This study examined the effects of a mobile app-based program to reduce the dietary sugar intake according to the stages of the behavioral change in dietary sugar reduction in female college students.
METHODS
The program used in this study can monitor the dietary sugar intake after recording the dietary intake and provide education message for the reduction of dietary sugar intake. In an eight-week pre-post intervention study, 68 female college students were instructed to record all the food they consumed daily and received weekly education information. At pre-post intervention, the subjects were asked to answer the questionnaire about sugar-related nutrition knowledge, sugar-intake behavior, and sugar-intake frequency. For statistical analysis, ANOVA and a paired t-test were used for comparative analysis according Precontemplation (PC), Contemplation ·Preparation (C ·P), and A ·M (Action ·Maintenance) stage.
RESULTS
Significant differences were observed in the frequency of snacking, experience of nutrition education, and preference for sweetness according to the stages of behavior change in dietary sugar reduction. After finishing an intervention, the sugar-related nutrition knowledge score was increased significantly in the stages of Precontemplation (PC) and Contemplation ·Preparation (C ·P). The score of the sugar intake behavior increased significantly in all stages. The intake frequency of chocolate, muffins or cakes, and drinking yogurt decreased significantly in the PC stage and the intake frequency of biscuits, carbonated beverages, and fruit juice decreased significantly in the C ·P stage. Subjects in the PC and C ·P stages had an undesirable propensity in nutrition knowledge, sugar-intake behavior, and sugar-intake frequency compared to the A ·M stage, but this intervention improved significantly their nutrition knowledge, sugar-intake behavior, and sugar-intake frequency.
CONCLUSION
This program can be an effective educational tool in the stages of PC and C ·P, and is expected to further increase the usability and sustainability of mobile application if supplemented appropriately to a health platform program.

Keyword

dietary sugar; mobile application; nutrition knowledge; dietary behavior; sugar intake frequency

MeSH Terms

Cacao
Carbonated Beverages
Drinking
Education
Female*
Fruit and Vegetable Juices
Humans
Mobile Applications
Snacks
Yogurt

Figure

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  Fig. 1 Application screen (A) Select the kind of meal (B) Record diet after the meal (C) Real-time feedback on the intake of total energy and total sugar.

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  Fig. 2 Examples of card news: ‘Description of nutritive components and how to read it’.

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