Journal List > J Nutr Health > v.51(4) > 1100550

J Nutr Health. 2018 Aug;51(4):295-306. Korean.
Published online August 31, 2018.
© 2018 The Korean Nutrition Society
Analysis of health habit and hair mineral nutrition status of media addicted adolescent
Hee-Sook Lim,1 and Soon-Kyung Kim2
1Department of Food Sciences and Nutrition, Yeonsung University, Anyang, Gyeonggi 14011, Korea.
2Department of Food Science and Nutrition, College of Natural Science, Soonchunhyang University, Asan, Chungnam 31538, Korea.

To whom correspondence should be addressed. tel: +82-41-530-1261, Email:
Received July 24, 2018; Revised August 03, 2018; Accepted August 06, 2018.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.



Koreans' internet and smartphone usage hours are steadily increasing and the dependence of young people on smartphones is causing social problems. Therefore, this study was conducted to examine health and dietary habits, as well as hair mineral contents according to the level of dependence of smartphone use among adolescents to clarify the interrelation of smartphone dependence, lifestyle, dietary behavior, and mineral nutrition status.


A total of 80 smartphone-addicted adolescents participated in this study and were divided into three groups (general, potential and danger group) according to smartphone dependence. The subjects' lifestyles and dietary behaviors were then surveyed, and hair mineral contents were analyzed.


Higher smartphone dependence was associated with lower average weekly sleeping time and later first smoking age. In the danger group, the rate of eating fast and the rate of snacking twice a day was also relatively high. Parents (45.0%) and mobile (30.0%) were the factors having the greatest influence on an individual's dietary behavior. In the hair mineral analysis, all subjects had lower selenium concentrations and higher lead concentrations than normal. In addition, the levels of aluminum in the danger group were higher than in the normal range and the highest among the three groups.


It is necessary to guide adolescents to use smartphones correctly and manage dietary habits. In addition, careful attention is needed the mineral nutritional status of smartphone-addicted adolescents.

Keywords: adolescent; addiction; smartphones; health behavior; mineral


Table 1
General characteristics and anthropometrics according to smartphone dependency in the media addicted adolescents
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Table 2
Health behaviors according to smartphone dependency in the media addicted adolescents
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Table 3
Eating habits according to smartphone dependency in the media addicted adolescents
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Table 4
Eating behaviors and route about nutritional information according to smartphone dependency in the media addicted adolescents
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Table 5
Hair mineral contents according to smartphone dependency in the media addicted adolescents
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Table 6
Logistic regression analysis of hair mineral contents in the media addicted adolescents
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This work were supported by grants from Korea Youth Counseling & Welfare Institute of 2016 and by the Soonchunhyang University Research Fund.

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