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Min Kyung Song 2 Articles
Smartphone dependency latent profile classification and association with emotional and behavioral difficulties among high school students in Korea
Eunjoo Kim, Min Kyung Song
Res Community Public Health Nurs. 2024;35(1):84-98.   Published online March 29, 2024
DOI: https://doi.org/10.12799/rcphn.2024.00465
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AbstractAbstract PDF
Purpose
The pervasive integration of smartphones into adolescents’ daily lives has resulted in a concerning upsurge in smartphone dependency among high school students. Due to the diverse types and severity levels of smartphone dependency, there is a critical need for research to explore its heterogeneity. This study aimed to identify latent profile of smartphone dependency in high school students based on the four subdomains of smartphone dependency: disturbance of adaptive functions, virtual life orientation, withdrawal, and tolerance. In addition, we explored how emotional and behavioral difficulties differ according to the profiles.
Methods
We used data from 2,195 Korean high school students from the Korean Children and Youth Panel Survey 2018. Latent profile analysis (LPA) was performed to identify smartphone dependency latent profile. Statistical analysis including chi-square test, Analysis of Variance (ANOVA), and ranked Analysis of Covariance (ANCOVA) confirmed differences in smartphone use characteristics and emotional-behavioral difficulties according to the classified latent profile.
Results
LPA identified four distinct latent profiles of smartphone dependency among high school students; 1) Underdependent type, 2) Moderate type, 3) Habitual user type, and 4) Virtual space dependent type. The results of ranked ANCOVA, controlling for gender, geographical location, economic status, parental smartphone dependency, and relational variables, revealed that habitual user type exhibited significantly higher rates of attention deficit hyperactivity disorder, social withdrawal, and depressive symptoms compared to other types.
Conclusion
The identification of these profiles provides a foundation for developing tailored intervention programs for adolescents with different levels and patterns of smartphone dependency.
The Effects of College Students’ Dual Use of Electronic Cigarette and Conventional Cigarette on Depression
Hee Jin Kim, Bok Im Lee, Min Kyung Song, Jin Hwa Lee
J Korean Acad Community Health Nurs. 2021;32(2):186-194.   Published online June 30, 2021
DOI: https://doi.org/10.12799/jkachn.2021.32.2.186
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AbstractAbstract PDF
Purpose
This study was conducted to find out the association between dual-use of the electronic cigarette (EC) and conventional cigarette (CC) and depression among undergraduate students. Methods: The participants of this study were 225 undergraduate students who were attending two universities located in Ulsan metropolitan city. Descriptive statistics and multiple regression were conducted to analyze the data.
Results
Nicotine dependence and depression were significantly higher in the dual-use group than in the single-use group. Dual-use of the EC and CC was significantly associated with depression among undergraduate students. In addition, quality of sleep was significantly associated with depression among undergraduate students.
Conclusion
In order to prevent depression among undergraduate students, it is necessary to improve the awareness of the danger of dual use of the EC and CC.

RCPHN : Research in Community and Public Health Nursing