• Human Ecology Research
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• v.56 no.2
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• pp.133-144
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• 2018

The study examined the longitudinal relations of preschool children's peer interaction, linguistic and cognitive abilities, and self-control, while taking into account gender differences. The study was conducted with 671 preschoolers from the $5^{th}$, $6^{th}$, and $7^{th}$ wave of the Korean Children and Youth Panel Study (KCYPS). Data were analyzed by means of basic descriptive statistics, Pearson's correlations, and structural equation modeling analysis. Bootstrapping method was also used to determine the significance of indirect effects. The analysis were conducted to find the longitudinal effects of peer interaction at the age of 4 on their self-control at the age of 6, and the mediating effects of linguistics and cognitive abilities at the age of 5 on its associations. The results indicated gender differences among the variables. According to multi-group analysis, there was a significant influence of 4 years' peer interaction on subsequent 5 years' linguistic and cognitive abilities but also on 6 years' self-control across time for boys; however, no significant direct effect of peer interaction on self-control was found for girls. Based on the findings of this study, it can be implied that it is necessary to apply different methods for boys and girls to promote self-control from the influence of peer interaction and linguistic and cognitive abilities.

• Korean Journal of Childcare and Education
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• v.10 no.2
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• pp.193-212
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• 2014

The study examined the relationship among job satisfaction, parental role satisfaction, and child-rearing behavior on fathers of preschool children. In addition, the study researched the mediation effect of parental role satisfaction between job satisfaction and child-rearing behavior. For such purposes, the study collected data by using questionnaires, targeting 376 fathers of children aged 3-5 in Seoul and Gyeonggi-do province. They completed questionnaires regarding Job satisfaction, parenting satisfaction, and child-rearing behavior. The major findings of this study were as follows: first, there was a significant relationship among job satisfaction, parental role satisfaction, and child-rearing behavior of fathers. A fathers' negative job satisfaction was negatively related to a child-rearing practices. The relationship between fathers' job satisfaction, and child-rearing behavior was mediated by parental satisfaction.

• Journal of the korean academy of Pediatric Dentistry
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• v.25 no.3
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• pp.576-582
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• 1998

The purpose of the study was to determine the ability of the caries activity test, 'Cariostat' to identify preschool children with dental caries. The subjects of this study were 76 children of 3 to 5 years of age. Oral examination was carried out to assess the caries experience using a mirror and explorer. In all subjects buccal plaque samples were obtained, incubated, and scored as the manufacturer's instructions for the Cariostat test. Statistical analyses were used with the Crosstabulation. The test group exhibited mean dft index 5.21, while 27.63% of subjects were caries free and had no restorations. The sensitivity of the Cariostat test was found to be 98.8% while the specificity was found to be 19.05% The results showed that caries activity measured by visual reading was highly significant to the Cariostat score and dft index(P<0.001). The Cariostat method has indicated the future possible occurrence of caries. The use of this method is meant to require in the caries prevention program.

• Korean Journal of Child Studies
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• v.36 no.5
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• pp.75-94
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• 2015

This study examined short-term longitudinal reciprocal relationships between maternal parenting behavior and preschoolers' compliance/noncompliance, as well as stability in both maternal parenting behavior and preschoolers' compliance/noncompliance over time. The sample which was used for this study was taken from a two-wave (one year apart) longitudinal study of preschool-aged children and their mothers (N = 53 dyads). At both times, mothers and their children were invited to a laboratory and engaged in 25 minutes of play involving three episodes of mother-child interaction. Maternal parenting behavior and preschoolers' compliance/noncompliance during play were coded using the Dyadic Parent-Child Interaction Coding System-III (DPICS-III). Maternal codes included positive, neutral, and negative parenting behaviors and child codes were comprised of compliance and noncompliance. The results revealed that during the play session, maternal neutral and negative parenting behavior and preschoolers' compliance were stable over time. In addition, T1 maternal negative parenting behavior was significantly related to T2 child compliance/noncompliance. However, T1 child compliance/noncompliance were not significantly associated with T2 maternal parenting behavior. These findings suggest that during the preschool period, there are unidirectional effects from mothers to children.

• The Journal of Korean Society for School & Community Health Education
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• v.12 no.2
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• pp.69-80
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• 2011

Objectives: The purpose of this study was to explore relationship among dft index, diet and oral health behavior, parental awareness in oral health care and social status. Methods: This study was conducted from 8 January, 2009 to 11 June, 2009 in Asan city and Seosan city in Chungnam area. 4 kindergratens, 3 preschools and 1 children language academy were randomly selected to research on dft index, diet and oral health behavior. cross-sectional study conducted among 561 valid samples out of 641 samples collected using the survey was and then followed by oral examination. Throughout the research, numerus SPSS 15.0 statistical techniques, T-test and ANOVA and Spearman correlation coefficients were used for analysis. Results: Key results of the study are as follows: Age was found to be statistically very significant to dft index(p=0.036). Age of mother, especially between 30 to 49, was found to be statistically significant to dft index rate(p=0.001). Occupation of father was also found to be statistically significant to dft index(p=0.036). High parental awareness in oral health care led to low dft index rate, which also was found to be statistically significant(p=0.036). Conclusions: In conclusion, as Spearman correlation coefficient demonstrates, occupation of father affects most on long-term healthy oral behavior followed by parental awareness in oral health care and age of mother.

• Clinical and Experimental Pediatrics
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• v.51 no.8
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• pp.804-811
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• 2008

Purpose : Childhood obesity is a problem that places a child at great risk for becoming an obese adult. To prevent obesity, it is important to focus on early life risk factors that may contribute to childhood obesity. The aim of this study is to find obesity-causing infantile risk factors in preschool children. Methods : A total of 223 children aged 3 to 5 years old from Busan were the subjects of this study. We calculated their body mass index (BMI) and classified them into two groups (normal weight and overweight/obese children). Information regarding parental weight and height, mother's educational level and employment status, birth weight, feeding patterns, start time of weaning, duration of night feeding, and fosterer was obtained by using questionnaires. Results : There were 68 (30.5%) overweight/obese children and 155 (69.5%) normal weight children. Overweight/obese children were significantly associated with formula milk feeding, rapid weight gain during the first 6 months, and maternal obesity (P<0.05). There were no statistical differences in paternal obesity, mothers educational level and employment status, birth weight, start time of weaning, duration of night feeding, and fosterer between the normal and overweight/obese children. Conclusion : Although healthy diet and regular exercise will remain the cornerstones of weight management in obese children, our data supports the view that education about maintaining a normal weight could be introduced much earlier in families with high-risk children.

• The Korean Journal of Community Living Science
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• v.19 no.1
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• pp.45-54
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• 2008

The purpose of this study was to identify the relationships between early childhood socioemotional development and day care experience and daycare quality. The subjects were 116 children, age 5 years old, from 17 daycare centers. The teachers at the 17 daycare centers rated the quality of their facility while the mothers of the 116 children assessed their children's socioemotional development. Daycare experience was composed of: the time period, hours per day, and the child's starting age at enrollment in daycare. Daycare quality was measured by questionnaire developed by Park(1995). Children's socioemotional development was rated by K-CBCL (Oh et al. 1997). The results were as follows. First, starting daycare experience less than 2 years of age, attending more than 6 days per week, and attending more than 8 hours per day of daycare experience were negatively related with children's development. Second, quality of daycare such as child-centered curriculum, abundant interaction between teachers and parents, opportunity for continuing education of teachers, higher levels of rewards and incentives for teachers, and the provision of nutritious food were positively related to the children's development.

• The Journal of Pediatrics of Korean Medicine
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• v.12 no.1
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• pp.145-162
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• 1998

The purpose of this study was to determine the effects of oriental medical care on growth deficiency children. These cases were collected to investigate the effects of oriental medical care on growth deficiency children. So the cases were divided into 5 groups. The growth velocity was compared to a normal growth curve, and the results are as follows: 1. Oriental medical care was efficient when the epiphysial plates were not closed. 2. In female middle school beyond 1st grade students and in male middle school 3rd grade students who had almost closed epiphysial plates, the oriental medical care was not efficient and did not promote growth velocity. endothelium were used for the experiment using organ bath. 3. In the cases where the parent were very short, the effects of the oriental medical care to promote growth velocity was not efficient. 4. when we treated children of normal height, their growth velocity was over the normal growth curve. 5. In preschool aged children, oriental medical care was very efficient to promote children's growth. 6. The principle oriental medical care was to make balanced their body and digestive organs by using herb medicines that have the capability to promote the growth of the bones, and build strong muscles.

• Clinical and Experimental Pediatrics
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• v.52 no.12
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• pp.1321-1326
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• 2009

Prevalence of obesity in Korean children and adolescents has dramatically increased since the last 10-20 years. It is important to initiate prevention efforts early in childhood because prevalence of obesity in adolescence is the strongest predictor of its prevalence in adulthood. Intrauterine life, infancy, and preschool years may comprise the critical periods that are essential for the long-term regulation of energy balance therefore, obesity-prevention strategies should be initiated in utero and continued throughout childhood and adolescence. Families with high-risk children should be provided early education about maintaining normal weight. Encouraging physical activity and, especially, avoiding inactivity, are key challenges in the prevention of future obesity. Schools should be primarily involved in educating parents to discourage their children from excessively watching TV or playing computer games and eating unhealthy snacks and food. The involvement of medical practitioners is also important, especially, in the case of obese parents, obesity prevention strategies should be promoted from the first visit of pregnant women to the physicians. Health professionals can also be involved in obesity prevention because they are ideally equipped to identify young children at risk of obesity. Community and nation-wide efforts to increase awareness and promote environments that encourage physical activity and healthy nutrition are required.

• Korean Journal of Human Ecology
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• v.5 no.1
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• pp.1-14
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• 1996

The purpose of this study was to examine children's dramatic play and dramatic play themes in the same-age and mixed-age kindergarten classrooms. The subjects were 45 children in three classrooms of 4-year-olds, 69 children in three classrooms of 5-year-olds, and 60 children in three mixed-age classrooms of 4-and 5-year-olds. Observations were conducted by videotape recordings. Observation periods were of five-minutes duration. There were ten observations of children's indoor free-play periods. Four-and five-year-olds in mixed-age classrooms were more likely to engage in group-dramatic play than 4-and 5-year-olds in same-age classrooms. Four-year-olds in mixed-age classrooms were more likely to engage in domestic and family, war/violence, school, animal, and vehicle play themes than 4-year-olds in same-age classrooms. However, 5-year-olds in mixed-age classrooms were more likely to engage in family and school play themes than 5-year-olds in same-age classrooms. 5-year-olds in same-age classrooms were more likely to engage in vehicle and animal play themes than 5-year-olds in mixed-age classrooms. 5-year-olds in same-age classrooms did not differ from 5-year-olds in mixed-age classrooms on the war/violence themes used during dramatic play. In terms of sex differences, boys were more likely to engage in violence, adventure fantage themes than girls. Conversely girls were more likely to engage in family/marriage static play themes than boys.