• KSII Transactions on Internet and Information Systems (TIIS)
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• 제8권3호
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• pp.1157-1177
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• 2014

Convertible authenticated encryption (CAE) schemes enable the signer to send a confidential message and its corresponding signature to the designated recipient. The recipient can also convert the signature into a conventional one which can be verified by anyone. Integrating the properties of self-certified public key systems, this paper presents efficient and computationally indistinguishable self-certified CAE schemes for strengthening the security of E-Commerce applications. Additionally, we also adapt the proposed schemes to elliptic curve systems for facilitating the applications of limited computing power and insufficient storage space. The proposed schemes are secure against known existential active attacks, satisfy the semantic security requirement, and have the following advantages: (i) No extra certificate is required since the tasks of authenticating the public key and verifying the signature can be simultaneously carried out within one step, which helps reducing computation efforts and communication overheads. (ii) In case of a later dispute, the recipient can convert the signature into an ordinary one for the public arbitration. (iii) The signature conversion can be solely performed by the recipient without additional computation efforts or communication overheads. (iv) The recipient of the signature can prove himself, if needed, to anyone that he is actually the designated recipient.

• Asian Pacific Journal of Cancer Prevention
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• 제14권12호
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• pp.7283-7288
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• 2013

Background: Tobacco use among adolescents is a major public health concern, and identifying predictors of smoking is necessary for planning prevention programs. The present study examined the relationship between refusal self efficacy, self esteem, smoking refusal skills and water pipe (hookah) smoking among Iranian male adolescents. Materials and Methods: A cross-sectional study was conducted with 380 Iranian male adolescents aged between 15-19 years selected by multistage sampling. The participants completed an anonymous, voluntary, self-report questionnaire. Variables independently associated with water pipe (WP) smoking were identified by multiple logistic regression analysis. Results: The mean age of the participants was $16.7{\pm}1.3$ years. The prevalence of WP smoking was 17.3%. Logistic regression analysis revealed that knowledge (OR=0.56; 95% CI: (0.37-0.79), attitude (OR=0.69; 95% CI: (0.52-0.89), self esteem (OR=0.67; 95% CI: (0.55-0.82), smoking refusal skills (OR=0.73; 95% CI: (0.55-0.87), and self efficacy (OR=.82; 95% CI: (0.61-0.93) were all signifcant prediting facotrs for adolescents WP smoking. Conclusions: The findings have implications for public health interventions. Indeed, self efficacy and smoking refusal skills should be considered when developing tailored measures for the prevention of WP smoking among adolescents.

• 패션비즈니스
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• 제13권5호
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• pp.45-54
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• 2009

The purpose of this study was to examine if there were differences in public self-consciousness, body image, and socio-cultural influence between males and females. Six hundred twenty-six adults participated in this study. For data analysis, descriptive statistics, t-test and reliability test were used. The result of this study is as follows. First, compared to males, females had higher scores on appearance orientation(AO), appearance evaluation(AE), and weight occupation(WP). Also females were more dissatisfied with their bodies such as lower body part or middle body part than males. That is, women had lower body image than men. Second, there was not significantly difference in self-esteem between males and females. Third, females had higher scores on public-consciousness than males did. Fourth, compared to males, females were more influenced by socio-cultural factors such as internalization and awareness. Finally, women had more higher scores on appearance behavior management than men. Based on these results, this study would provide more efficient strategies to reduce negative body image, especially in women.

• 한국보건간호학회지
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• 제31권1호
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• pp.121-134
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• 2017

Purpose: The goal of this study was to define and clarify the concept of "self management" of children with chronic diseases. Methods: For analyzing the concept of self management, this study used the hybrid model. This study involved in-depth interviewing nine children with chronic disease. Results: The concept of self management of children with chronic disease can be categorized with three dimensions: internal, environmental, and behavioral aspects. Besides, five attributes and thirteen indicators were analyzed. The concept of self management of children with chronic disease can be expressed as a kind of process; a) re-established yourself (internal dimension), b) assistance by the surrounded (environmental dimension), and c) positive health management behavior with self control of daily life (behavioral dimension). Conclusion: The self management is important for children with chronic disease to control their disease for long time. The attributes and indicators drawn by this study could be used for tool development and useful resources of self management competence in children with chronic disease.

• 지역사회간호학회지
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• 제15권4호
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• pp.517-527
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• 2004

Purpose: This research is to find a solution for educational work on high blood pressure control in public health centers by analyzing their current status. Method: It analyzed data from 133 public health centers that had been doing educational work on high blood pressure, through a questionnaire. Also, it developed recommendations by converging opinions from an expert group made of 25 people with nominal group technique. Result: The educational methods of public health centers did not make any approach to get to the goal of the work. The mass media education and campaign activities for the general public had just temporary and passive propensities. In education for patients, it did not use appropriate methods to present management techniques for diagnosis process of patients, medication management, self monitoring BP, and risk factors. Pocket book for monitoring high blood pressure was not focused on self-recording for self-management. The expert group recommended that educational materials for adults should be developed focusing on treatments and observance of risk factors through daily living, and those for children should be focused on basic understanding about diseases, and life style. Conclusion: Presenting direction and strategy of fundamental education work is needed for public health centers by giving them standard educational guidelines of managing high blood pressure nationally, and it is desirable that fundamental frameworks of educational materials should be developed and distributed by professional groups nationally.

• Safety and Health at Work
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• 제13권2호
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• pp.187-191
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• 2022

Background: Traffic injuries have become a significant public health problem in low- and middle-income countries. Several studies have examined the role of personality and attitude toward traffic safety in predicting driving behaviors in diverse types of drivers. Few studies have investigated risky behavior among public passenger van drivers. This study aims to identify the predictors of self-reported risky driving behavior among public van drivers. Method: A total of 410 public van drivers were interviewed at terminal stations in Bangkok. Hierarchical regression models were applied to determine the effects of demographics, personality traits, and attitude on self-reported risky driving behaviors. Results: The results indicated that drivers with a high education level, more working days, and high scores for normlessness and anger were more likely to report risky driving behaviors (p < 0.05). Conclusion: The personality traits and attitude toward speeding account for aberrant self-reported risky driving behavior in passenger van drivers. This could be another empirical basis for evidence-based road safety interventions in the context of public transport.

• 한국보건간호학회지
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• 제26권3호
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• pp.561-571
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• 2012

Purpose: This study was designed to evaluate the effects of a newborn care education promotion program on child-rearing knowledge, child rearing stress, and child rearing self-efficacy of immigrant pregnant women. Methods: The subjects were 23 immigrant pregnant women who voluntarily participated in the study in D city. The program was provided, once a week for 90 minutes for a period of 3 weeks. The outcome variables were child-rearing knowledge, child-rearing stress, and child rearing self-efficacy. Data was collected from April 4 to June 24, 2011, through self-administered questionnaires. Results: The program significantly improved child rearing knowledge, child rearing stress, and newborn care self-efficacy for married immigrant pregnant women who participated in the program compared to women who did not participate. Conclusion: The results suggest that the reproductive health promotion program has an affirmative effect on child-rearing knowledge, child rearing stress, and child rearing self-efficacy of married immigrant pregnant women. It is suggested, therefore, that the educational program be presented to married immigrant woman at public health centers to enhance their confidence in child-rearing.

• 대한가정학회지
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• 제38권6호
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• pp.43-57
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• 2000

The purposes of this study were 1) to identify the effects of psychological characteristics and peer acceptance on female adolescents'clothing behaviors(clothing attitudes and preference for up-to-date style), and 2) to determine the differences in psychological characteristics and clothing behaviors among subject groups classified by sociometric status. The questionnaires dealing with public/private self-consciousness, adolescent egocentrism, self-efficacy and clothing behaviors were adapted from precious studies. Peer acceptance was measured using Coie and Dodge(1983) method. The data were collected from 485 middle and high school girls living in Seoul, Korea. From the results of multiple regression of psychological characteristics and peer acceptance on clothing behaviors, clothing sexual attractiveness, clothing exhibition, and clothing importance were found to be influenced by public self-consciousness, adolescent egocentrism and peer acceptance. Fashion leadership and psychological dependence were influenced by egocentrism and self-efficacy. Preference for up-to-date style was influenced by egocentrism, public self-consciousness and self-efficacy. One-way ANOVA was used for analyzing the differences in research variables among subject groups classified by sociometric status. From the reset of middle school girls it was revealed that ignored group showed the highest score in clothing importance, whereas both popular group and rejected group showed the lowest score in social self-efficacy. In high school girls, controversial group showed the highest scores in adolescent egocentrism, fashion leadership, and preference for up-to-date style.

• Journal of Preventive Medicine and Public Health
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• 제43권1호
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• pp.50-61
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• 2010

Objectives: The study is investigated socioeconomic variations in self-rated health status and contribution of health behavioral factors in Korea. Methods: A nationally representative sample (2,800 men and 3,230 women aged 20-64 years) from the 2005 Korea National Health and Nutrition Surveys was analyzed using logistic regression. Results: Self-rated health was lower among lower socioeconomic groups compared with higher socioeconomic groups, with gender being irrelevant. This association was attenuated when health behavioral and socio-demographic factors were adjusted. When each health behavioral factor was considered separately, mediators such as smoking in men, and stress or exercise in women explained a large part of the decreased socioeconomic health inequalities. Conclusions: In Korea, subjective health inequalities arise from different socioeconomic status, but this difference is decreased by health behavioral factors. Therefore, socioeconomic inequity in self-rated health status can be corrected more effectively by promotional health behaviors.

• 한국보건간호학회지
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• 제24권1호
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• pp.93-104
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• 2010

Purpose: The study investigated the relationship among self-esteem, communication and school satisfaction in middle school students. Method: A self-reporting questionnaire was completed by 145 students from October 8-19, 2007. The research tools included established scales of self-esteem, communication, and school satisfaction. The data was analyzed by descriptive statistics, t-test, Pearson's correlation coefficient, one-way ANOVA, and Sch$\acute{e}$ffe's test using the SPSS 12.0 program. Result: Significantly positive correlations were evident between self-esteem and communication, self-esteem and school satisfaction, and communication and school satisfaction. Conclusion: It is necessary to develop a strategy to increase self-esteem, communication and school satisfaction for middle school students.