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Purpose: The purpose of this study was to develop a smartphone application and evaluate it's effectiveness and usability for promoting bone health in Korean young adult women. Methods: A smartphone application was developed covering exercise, nutrition, and health habits related to bone health. A pilot testing was conducted using a one-group pre/posttest design. A total of 22 female college students with low bone mass participated in the 8-week use of a pilot testing. Results: The “Strong bone Fit body (SbFb)" application was developed using Android platform. In the pilot testing, bone mineral density, serum CTX, and 25 (OH)Vit.D were significantly decreased. There is no significant change in serum osteocalcin and calcium. Serum phosphorus concentration, nutrient intakes (fiber, VitB6, and pantotenic acid), and all bone composition profiles were significantly increased. Bonehealth knowledge was significantly increased but no change in health belief and self-efficacy. Conclusion: The results of this pilot testing suggest the effectiveness of the SbFb application to enhance and promote self-managing abilities for bone health. It can provide continuous feedback and high-quality bone health information. However, some contents and working methods of the application need to be modified and its effectiveness on bone health requires further investigations. [ABSTRACT FROM AUTHOR]

In the current study, we explore predictors of smartphone and smartphone application use in a large, diverse, population representative South Korean sample ( N = 9482). Sociodemographics (e.g., gender, age, education, and income) were major predictors of smartphone and smartphone application use. Generally, younger, educated, and wealthy individuals tended to use smartphones and smartphone applications to a greater extent. Females tended to use smartphones, e-commerce applications, and relational applications more compared to males. Openness, extraversion, and conscientiousness were associated with increased probability of smartphone ownership. Extraversion was associated with decreased literacy application use and increased relational application use. Conscientiousness was associated with decreased e-commerce application use. These results imply that sociodemographics and personality predict smartphone innovation. [ABSTRACT FROM AUTHOR]

This study examines the mobile divide from the perspective of perception of information and knowledge inequity due to smartphone usage, exploring factors that may influence the use of smartphone applications and assessing discrepancies in social and human capital due to usage differences. A survey of smartphone users revealed that gender, age, personal innovativeness, and consumption skills were significant predictors of the frequent use for applications. Simply having more smartphone applications does not contribute to increases social or human capital; it is usage of these apps that makes a difference. [ABSTRACT FROM PUBLISHER]

Background: Bullying in nursing workplaces has been considered a serious problem that increases nurse turnover. Aim: To develop a cognitive rehearsal intervention for workplace bullying and examine its effects on nurses' bullying experiences and turnover intentions. Methods: We developed a smartphone application to cognitively train nurses to handle bullying situations in the workplace. This application included common bullying situations and appropriate non‐violent communication scenarios. A cluster quasi‐randomized trial was performed with 72 hospital nurses working in a university hospital in South Korea from November 2016 to January 2017. We measured workplace bullying experiences and turnover intention before intervention and 4 and 8 weeks after intervention in both intervention and control groups. Results: The cognitive rehearsal intervention developed in this study was effective for decreasing nurses' person‐related bullying, work‐related bullying experiences, and turnover intention. However, it had no effects on intimidation‐related bullying experiences. Conclusions: The smartphone application‐based cognitive rehearsal intervention can serve as a personal coping measure for person‐related and work‐related bullying among nurses. It is recommended that the intervention developed in this study be applied as a strategy to reduce nurse turnover. SUMMARY STATEMENT: What is already known about this topic? Bullying in the nursing workplace is prevalent and a major cause of turnover.Cognitive rehearsals that reproduce specific situations and train positive coping skills can serve as an intervention for workplace bullying. What does this paper add? Cognitive rehearsal using smartphone applications is effective in lowering workplace bullying and turnover intention.Unit‐based intervention for workplace bullying can be implemented effectively. The implications of this paper: Cognitive rehearsal application can be used as a personal training tool.Workplace bullying scenarios can be applied in simulated nursing education. [ABSTRACT FROM AUTHOR]