Teachers are not only subjects of school health efforts but also role models for students’ health behaviors; teachers’ health-promoting behaviors can induce students’ healthy behaviors with their positive health outcomes. This study was an examination of personal factors, situational factors, and health literacy as influences on teachers’ health-promoting behaviors. A hierarchical multiple regression analysis was implemented based on an integrated model of health literacy. The study results showed that health literacy was the strongest predictor of teachers’ health-promoting behaviors. In addition, school type and school culture were situational factors related to the interpersonal relations and stress management domains of the Health-Promoting Lifestyle Profile II scale. These findings could serve as foundational evidence for developing programs at the individual and organizational levels that enhance teachers’ health-promoting behaviors.

Purpose: This study aimed to investigate the serial mediating effects of the time mothers spend with their adolescent children and the adolescents’ self-esteem on the relationship between mothers’ and adolescents’ problematic smartphone use. Patients and Methods: This study was a secondary analysis of data extracted from the Korean Children and Youth Panel Survey (KCYPS) in 2018, which comprised data on first-year middle school students. Mediation analysis was conducted using Model 6 of the Hayes’ PROCESS macro for SPSS. Results: The mediating effect of the time mothers spent with adolescents on the relationship between mothers’ and adolescents’ problematic smartphone use was significant, but the mediating effect of adolescents’ self-esteem was not significant. Mothers’ problematic smartphone use was found to significantly affect adolescents’ problematic smartphone use by sequentially mediating the time mothers spent with adolescent children and adolescents’ self-esteem. Conclusion: It was concluded that, to lower adolescents’ problematic smartphone use due to mothers’ problematic smartphone use, appropriate interventions should be formulated to help adolescents develop higher self-esteem through sufficient mother–child interaction time.

To elucidate the experiences of school nurses when responding to public health crises in Korea.Phenomenological research.One-on-one online in-depth interviews were conducted (N = 10).Major public h...

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Background: This study investigates the serial mediation of self-esteem and smartphone dependency in the relationship between negative parenting style and adolescents’ aggression.Methods: We conducted a secondary data analysis of the 2018 Korean Children and Youth Panel Survey (KCYPS) and used the data of first-year middle school students. A mediation analysis was conducted using Hayes’ SPSS PROCESS Macro (Model 6).Results: The mediation of smartphone dependency was significant in the relationship between parents’ negative parenting style and aggression, but the mediation of self-esteem was not. Negative parenting style significantly affected adolescents’ aggression through the sequential mediation of self-esteem and smartphone dependency.Conclusions: Appropriate interventions should be prepared to help adolescents increase their self-esteem and reduce smartphone dependency, thus reducing the aggression that a negative parenting style induces.