Korean Journal of Community Nutrition

Original Articles

[English]
Lifestyle, Dietary Behavior and Snack Preference of Upper-grade Elementary School Students in Cheongju according to the Usage Time of Smartphones: Hayeon Kim, Munkyong Pae; Korean J Community Nutr 2017;22(1):40-52. Published online February 28, 2017; DOI: https://doi.org/10.5720/kjcn.2017.22.1.40

OBJECTIVES
This study was conducted to examine the length of exposure to smartphone and its association with dietary behavior toward snacks, lifestyle, and nutrition knowledge in elementary school students.
METHODS
Subjects were 372 5th and 6th grade schoolchildren in Cheongju, Korea, and data was collected by a self-administered questionnaire. They were divided into two groups by the time spent using smartphone: moderate (< 2 hours/day) and overexposure (â‰¥ 2 hours/day). Data was analyzed using frequency analysis, Ï‡Â²-test, and independent t-test as well as analysis of covariance when necessary.
RESULTS
Approximately half of subjects (41.4%) reported spending â‰¥ 2 hours/day using smartphone. That habit was more frequent among students in the 6th grade, those who received more monthly allowance, and who has a working mother. 63.4% of the subjects reported that they consumed snacks while watching television, using a computer and/or a smartphone and 48.1% said that they consumed snacks while they use a smartphone. Both situations were most prevalent among those with overexposure to smartphone (â‰¥ 2 hours/day). We also observed that a higher percentage of subjects from the overexposure group spent more money on snack foods with the preference for ice cream, fast food, and carbonated drinks. Further, those in the overexposure group consumed more ice cream, cookies, and carbonated drinks. In addition, they had less desirable dietary behavior and health-related lifestyle (sleep duration and frequency of regular exercise) compared to those with moderate smartphone usage (< 2 hours/day). However, there was no statistical difference in nutrition knowledge among children with different degrees of smartphone usage.
CONCLUSIONS
Our results showed that longer smartphone use was associated with less desirable snack preference/consumption and other dietary behavior in elementary school students. Thus interest and positive attitudes towards healthy snacks and diet should be reinforced in nutrition education programs, especially for those who are prone to use smartphones.

Citations

Citations to this article as recorded by

The relationship between smartphone usage and eating behavior for elementary school students in Gangneung, South Korea: cross-sectional study
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Korean Journal of Community Nutrition.2024; 29(4): 278. CrossRef
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Young-Hee Han, Saerom Shin, Eun Yeol Woo, Hye-Kyung Park, Taisun Hyun
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[English]
Interrelations Among Snack Preference, Purchasing Behaviors and Intake in Upper Grade Elementary School Students: Compared by the Gender and TV Watching Time: Eun Sil Her; Korean J Community Nutr 2013;18(5):429-441. Published online October 31, 2013; DOI: https://doi.org/10.5720/kjcn.2013.18.5.429

Abstract PDF PubReader

This study was conducted to examine the interrelations among snack preference, purchasing behavior and intake of fifth and sixth grade students in elementary schools in Gyeongnam province. Frequency of snack intake was the highest in those who reported 'once a day' (45.6%) snack habit. Longer-time television viewers also showed higher frequency of snack intake than shorter-time viewers. Thirty-three percent of students purchased snacks by themselves and the frequency of snack purchasing had a significant positive relationship with TV watching time (p < 0.01). The main reason, place and time of eating snacks were 'hunger' (79.2%), their home environment (50.9%) and 'after school hours' (89.7%). The favorite snack was 'ice cream' and, this snack habit was significantly different by gender of the child (p < 0.01) and TV watching time (p < 0.01). 'Milk and dairy products' scored highest (3.47) in snack intake frequency among longer-time TV viewers (> 2hr) compared to shorter-time TV viewers and this difference was statistically significant (p < 0.001). The snack preference score was correlated positively (r = 0.454) with the intake frequency for snack and its explanation power (R2) was 20.5%. With regard to snack purchase behaviors, the scores of 'checking the expiration date' and 'comparing the price with similar products' were high (in what group?). Female students (p < 0.001) and shorter-time TV viewers (< 2hr) (p < 0.01) had a more reasonable purchasing behavior. The total score of preference was significantly higher (p < 0.05) in shorter-timeTV viewers (< 2hr). In the correlation between snack purchasing behaviors and intake frequency, attractiveness (r = 0.208, p < 0.001) and preference (r = 0.330, p < 0.001) showed significant positive correlations. The result of regression analysis, preference only was selected (R2= 0.108).

Citations

Citations to this article as recorded by

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Eating patterns of children's favorite foods and its related factors among elementary, middle, and high school students in Korea
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Nutrition Research and Practice.2017; 11(6): 517. CrossRef
Lifestyle, Dietary Behavior and Snack Preference of Upper-grade Elementary School Students in Cheongju according to the Usage Time of Smartphones
Hayeon Kim, Munkyong Pae
Korean Journal of Community Nutrition.2017; 22(1): 40. CrossRef
Association of Interpersonal Relationships with Preference and Intake Frequency of Snack with a Focus on Obesity Index and Snack Preparations in Upper Grade Elementary School Students
Eun Sil Her
The Korean Journal of Food And Nutrition.2015; 28(2): 178. CrossRef
Perceptions and Use of Premium Snacks and Associated Factors in School Aged Children and Their Mothers in Kyung-Ki Area
Hye-Young Yang, Hyo-Suk Lee, Jayong Chung
Korean Journal of Health Promotion.2014; 14(3): 121. CrossRef

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