• Journal of the Korean Professional Engineers Association
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• v.43 no.2
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• pp.39-44
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• 2010

Digital broadcast in Korea being under way for almost 10 years and due by the end of 2012 is greatly changing the style of life. Having such a potential impact on life means it hardly permits any mistake in cooperated works of viewers, broadcasters, manufacturers and government for smooth transition. Now the early phase of digital transition is capturing the viewers with unseen features like HDTV, interactive data broadcasting, and multimedia service. But what will really thrill us is still to come with its capability far beyond high definition and interactivity.

• Clinical and Experimental Pediatrics
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• v.63 no.6
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• pp.219-225
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• 2020

Background: There is increasing concern that moderate preterm (32-33 weeks' gestation) and late preterm (34-36 weeks' gestation) birth may be associated with minor neurodevelopmental problems affecting poor school performance. Purpose: We explored the cognitive function, cognitive visual function, executive function, and behavioral problems at school age in moderate to late preterm infants. Methods: Children aged 7-10 years who were born at 32⁺⁰ to 36⁺⁶ weeks of gestation and admitted to the neonatal intensive care unit from August 2006 to July 2011 at the National Health Insurance Service Ilsan Hospital were included. We excluded children with severe neurologic impairments, congenital malformations, or chromosomal abnormalities. Neuropsychological assessments consisted of 5 neuropsychological tests and 3 questionnaires. Results: A total of 37 children (mean age, 9.1±1.2 years) participated. The mean gestational age at birth was 34.6±7.5 weeks, while the mean birth weight was 2,229.2±472.8 g. The mean full-scale intelligence quotient was 92.89±11.90; 24.3% scored between 70 and 85 (borderline intelligence functioning). An abnormal score was noted for at least one of the variables on the attention deficit hyperactivity disorder diagnostic system for 65% of the children. Scores below borderline function for executive quotient and memory quotient were 32.4% and 24.3%, respectively. Borderline or clinically relevant internalizing problems were noted in 13.5% on the Child Behavior Check List. There were no significant associations between perinatal factors or socioeconomic status and cognitive, visual perception, executive function, or behavior outcomes. Conclusion: Moderate to late preterm infants are at risk of developing borderline intelligence functioning and attention problems at early school age. Cognitive and executive functions that are important for academic performance must be carefully monitored and continuously followed up in moderate to late preterm infants.

• Journal of Distribution Science
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• v.17 no.12
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• pp.13-21
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• 2019

Purpose - It is very important to examine customer's behavior about AR shopping either practically or academically. Thus, it will be worthwhile to discuss more in details about AR utility which is even in early stage of distribution industry now. Research design, data, and methodology - This study has designed in consideration of control effects of perceived complexity based on customer's flow as dependent variable, and on AR characteristics and technology readiness as independent variables. Study data has been collected from questionnaires after using AR shopping service directly by those who are 20-30 years old of male and female respondents, which has been analyzed with 167 questionnaires. Hypothesis is verified using by hierarchical regression analysis. Results - After results of hypothesis verified, positive influence has been shown in terms of sensory immersion, manipulation, and optimism, however, it is rejected in relation to navigation and innovativeness. Control effect of perceived complexity has not been appeared. Conclusions - Implications of this study are as follows. First, AR shopping service has to provide an informational value. Second, by providing AR service to customer group, marketing activities will be in effects. Third, recognized complexity is not connected with significant control effect in terms of customer's devotion of service.

• Asian Pacific Journal of Cancer Prevention
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• v.13 no.12
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• pp.6105-6108
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• 2012

Background: The aim of this study was to examine knowledge about cancer and early diagnosis of cancer among nurses. Materials and Method: This descriptive study was carried out at a University Faculty of Medicine Hospital in Turkey. Study between April and June, 2011, with 325 volunteer nurses. The collection tool consisted of two survey forms. The first was designed for sociodemographic information and the second consisted of 16 questions, prepared in accordance with the literature as open and close-ended, for interviews conducted by researchers. Results: Out of the individuals (n=325), included in the study, 90.8% were female, 63.1% high school-university graduates and 55.1% married, with an average years of service of $6.34{\pm}5.33$ and an average age of $28.1{\pm}5.10$. The mean cancer knowledge point was $70.1{\pm}19.5$. Some 79.1% of nurses had not received cancer related continuing education by specialists. A signified relation was found between the nurse knowledge on cancer and educational level (p<0.05). Conclusions: The nurse, a member of the health staff, is in constant contact with individuals at hospitals, schools, polyclinics, workplaces, and homes. When educating society about cancer, nurses need to have a high level of knowledge regarding early diagnosis and cancer prevention.

• Asian Pacific Journal of Cancer Prevention
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• v.16 no.14
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• pp.5869-5873
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• 2015

Background: Breast and cervical cancers are among the most frequent and most fatal cancers in women. Life span of patients may be increased and quality of life improved through early diagnosis and treatment. This investigation was performed in order to determine knowledge and practices of female health personnel working at a university hospital regarding breast and cervical cancers. Materials and Methods: This descriptive investigation was performed in Erciyes University Hospitals in 2014. A total of 524 female health personnel were included in the study. Data were collected through a questionnaire of 36 questions prepared by the researchers. The Chi square test and logistic regression were used for statistical analyses. Results: The mean age of the study group was $32.8{\pm}6.9$ years, 18.3% being doctors and 81.7% nurses. Of the study group, 60.5% stated that they performed self breast-examination, 4.4% underwent HPV testing, 26.3% thought about taking an HPV test, 34.7% of those who are 40 years and over had mammography regularly and 19.5% of those who were married had a Pap smear conducted regularly. Most important causes of not performing the methods for early diagnosis of breast and cervical cancers are "forget and neglect". Conclusions: It was concluded that female doctors and nurses do not pay sufficient attention to screening programs for breast and cervical cancers. The importance of early diagnosis and treatment should be emphasized during the undergraduate education and in-service training programs. Health condition of personnel and their utilization of preventive health care should be followed by occupational physicians.

• International Journal of Concrete Structures and Materials
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• v.9 no.4
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• pp.487-498
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• 2015

A proper initial curing is a very simple and inexpensive alternative to improve concrete cover quality and accordingly extend the service life of reinforced concrete structures exposed to aggressive species. A current study investigates the effect of wet curing duration on chloride penetration in plain and blended cement concretes which subjected to tidal exposure condition in south of Iran for 5 years. The results show that wet curing extension preserves concrete against high rate of chloride penetration at early ages and decreases the difference between initial and long-term diffusion coefficients due to improvement of concrete cover quality. But, as the length of exposure period to marine environment increased the effects of initial wet curing became less pronounced. Furthermore, a relationship is developed between wet curing time and diffusion coefficient at early ages and the effect of curing length on time-to-corrosion initiation of concrete is addressed.

• The Journal of the Korea Contents Association
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• v.21 no.4
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• pp.370-381
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• 2021

This study examines the perceptions and demands of pre-service early childhood teachers about the Demonstration of simulated instruction for 350 students in early childhood education at 3-4 years university located in Busan, Ulsan, and Gimhae. And through this, the purposes of study are to provide basic data based on the current level of pre-school teachers for instructors leading simulated instruction and to seek effective management plans for simulated instruction to improve teaching ability. As a result of the study, pre-service early childhood teachers recognized that simulated instructions were necessary in teacher training course and helped to improve teaching ability, but they did not actively agree to expand simulated instructions and were not very satisfied with the methods of instructors in demonstration of simulated instruction. They wanted to receive feedback from instructors who have practical teaching knowledge and skills based on field experience at least two times during preparation stage and evaluation stage of the simulated instructions. And they wanted to be guided specifically on principles and methods of preparing educational plans, effective interactions and questions with young children. They wanted the feedback, the most preferred form of feedback is form of participations by all class members and instructors. In addition to instructor's feedback, they required experience of simulated instruction in which infants and toddlers participate together.

• Korean Journal of Human Ecology
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• v.12 no.5
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• pp.687-697
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• 2003

This study was conducted to investigate the antecedents of teachers' science teaching efficacy in day-care setting. Also, this study aimed to identify relationships between day-care teachers' personal science teaching efficacy and their perspectives on early childhood science education. The subjects were 176 day-care teachers in rural area of ChoongCheongNam-Do. The survey method was used to collect data from the day-care teacher. The instrument were Rigg & Enochs(1990)'s Science Teaching Efficacy Belief and Kim(l998)'s scales for the Goa1s in Early Childhood Science Education. Main results were as follows: 1. Day-care teachers' personal science teaching efficacy were significantly related with the personal variables such as teachers' education, in-service science workshops, science book reading, science-related hobby but not with teachers' age, pre-service science credits and total years of teaching experience. 2. Among the environmental variables, science activity areas were significantly associated with day-care teachers' personal science teaching efficacy. However, location of day-care center, age of children, number of children, teacher-child ratio, facilities for science education and scheduled time for science education did not affect it. 3. Day-care teachers of high content- and process-oriented goals in early childhood science education were highly efficacious teacher, while the teachers of low content- and process-oriented perspectives gained the lowest score. However, the content-oriented teachers and the process-oriented teachers did not differ in terms of day-care teachers' personal science teaching efficacy.

• Journal of the korean academy of Pediatric Dentistry
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• v.51 no.2
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• pp.185-196
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• 2024

Temporomandibular joint disorders (TMDs) can occur at any age, including childhood and adolescence, and pain-related TMDs can affect growth and quality of life. In the present study, recent trends in the diagnosis and treatment of TMDs in children and adolescents were analyzed over a 10-year period. Using 10 years of data from the Health Insurance Review and Assessment Service (HIRA) and Jeonbuk National University (JBNU) Dental Hospital, patients between 0 and 19 years of age diagnosed with K07.6 (temporomandibular joint disorders) were analyzed by 5-year bins. Both datasets indicated a higher prevalence in females (1.2-fold in HIRA, 1.5-fold in JBNU) and in ages 15 to 19 years (72.1% in HIRA, 74.7% in JBNU). HIRA reported a 42.3% increase in prevalence per 100,000 people, from 651.4 in 2011 to 927.0 in 2020. JBNU reported K07.66 (masticatory muscle disorders) as the most common diagnosis in subjects under 10 years of age and K07.60 (internal derangement of temporomandibular joint) in those over 10 years of age. In addition, both were treated mainly by a combination of physical therapy and medication, and the treatment rate increased in accordance with age. Because TMDs can affect various structures in the orofacial region and cause pain that tends to differ with age, an early and specific diagnosis appropriate for age is important for treatment. Therefore, pediatric dentists need to promptly recognize TMDs in children and adolescents and consult with specialists as the prevalence increases.

• Health Policy and Management
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• v.21 no.4
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• pp.585-598
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• 2011

This study was conducted to examine the trend of national health insurance service use with relation to pregnancy, childbirth, and the puerperium among pregnant and postpartum women older than 35 over the last decade. A descriptive analysis was conducted, using the data which were drawn from the "nationwide claim database of Korean National Health Insurance Corporation(NHIC)". Data were composed of the total cases related to pregnancy, childbirth, and the puerperium (International Classification of Disease, $10^{th}$revision [ICD-10] codes O00-O99) from 2001 to 2008. During 2001-2008, the number of pregnant and postpartum women older than 35 had continuously increased and the percentage of them also had increased in both hospital and ambulatory care. There are similar trends in their total use of national health insurance service and total expenditure. According to demographic characteristics, there was the biggest increase of the percentage in residents in large cities, self-employed workers, ones in the highest income level. According to ICD-10 codes, there was the biggest increase of the percentage in O10-O16 (oedema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium). According to the major prevalent disease, there was the biggest increase of the percentage in O60 (preterm labor and delivery). Throughout the past decade, the necessity has been emphasized of supporting pregnant and postpartum women older than 35. But in maternal and child health care, they are in an early stage of development. The findings of this study would be helpful in developing the support programs for the aged pregnant and postpartum women.