• Journal of the Korean Data and Information Science Society
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• v.24 no.4
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• pp.713-721
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• 2013

The purpose of this study was to compare the breast feeding practice rates and mothers' breast feeding empowerment in preterm (gestation age [GA]<34), late preterm ($34{\leq}$GA<37), early term infants ($37{\leq}$GA<39). We surveyed 33 preterm, 22 late preterm, and 30 early term infants at a 'Baby-Friendly Hospital' in D city. The data were collected from October 1st, 2008 to February 28th, 2010 through the medical records of the infants and their mothers. We also checked the mothers' breast feeding empowerment at discharge day. The rate of breast feeding in the late preterm and preterm infants was significantly lower than that of the early term infants. The score of mothers' breast feeding empowerment in the late preterm and preterm infants was also significantly lower than that of the early term infants. The breast feeding education program is required for the mothers who have preterm and late preterm infants considering the low rate of breast feeding.

• Korean Journal of Child Studies
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• v.29 no.5
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• pp.271-283
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• 2008

The purpose of the study was to assess the knowledge of infant development of child care teachers, undergraduate students majoring in child development at universities, and the students at child care training centers. A questionnaire was distributed to 126 in-service and 187 pre-service child care teachers. Data were analyzed by t-test, F-test, Correlation. The results showed that the mean scores of subjects on the Knowledge of Infant Development Inventory (KIDI) were relatively low. Among the 3 groups of subjects, child care teachers had the lowest scores on the KIDI. There were individual differences in the knowledge of infant development by school year, the length of work experience, marital status, age of child, attendance at in-service training events, and kind of license.

• Clinical and Experimental Pediatrics
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• v.54 no.6
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• pp.229-233
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• 2011

In the pediatric literature, excessive crying has been reported solely in association with 3-month colic and is described, if at all, as unexplained crying and fussing during the first 3 months of life. The bouts of crying are generally thought to be triggered by abdominal colic (over-inflation of the still immature gastrointestinal tract), and treatment is prescribed accordingly. According to this line of reasoning, excessive crying is harmless and resolves by the end of the third month without long-term consequences. However, there is evidence that it may cause tremendous distress in the mother-infant relationship, and can lead to disorders of behavioral and emotional regulation at the toddler stage (such as sleep and feeding disorders, chronic fussiness, excessive clinginess, and temper tantrums). Early treatment of excessive crying focuses on parent-infant communication, and parent-infant interaction in the context of soothing and settling the infant to sleep is a promising approach that may prevent later behavioral and emotional disorders in infancy.

• Korean Journal of Child Studies
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• v.25 no.5
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• pp.129-145
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• 2004

This research aimed to analyze the quality of center-based infant/toddler programs in Korea. Scale for infant and toddler programs divide accreditation standards into 4 areas(physical environment, curriculum, health care, management system) with 60 standards. Standards can be divided into basic criteria and general criteria. The subjects are 149 day care centers(44 infant day care centers and 105 day care centers), and raters(teachers or principal) assessed the quality of each item on a 5-point Likert scale. The results of this study are as follows: 1) Self-evaluation result have marked 3.67 as average(range : 2.32~4.90), which barely meets basic criteria level. 2) Physical environment area has received worst score(3.41) and Health care area has received best score(3.92). 3) Each standard's score indicate the quality of infant/toddler care program: Feed care(4.29), Affectionate teacher-infant interaction(4.14) were highly rated while Nature environment/anmal/plant(2.75) and Teacher's facilities(2.74) were rated low. 4) Some variation factors showed differences in the qualitative level; number of child, education level of principal.

• Journal of the Korea Furniture Society
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• v.21 no.3
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• pp.261-272
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• 2010

The aim of the present study was to investigate the relations between wooden toy and development of infant and young children by taking only the commercialized wooden furniture which would be suitable for the developmental area for infant and young children, among the physical environment influencing the balanced development and development for them. The recommended standard for them was the commercialized good and the only advanced toys for the development of infant and young children was primary selected, in case of different furniture for same purpose with regardless of manufacturer, country of origin and price. The selected wooden toys for development of infant and young children covered the following test conditions. They keep the soft and clean surfaces and the corners are the round-finished so safe. The dyeing and coloring are so clear like the rainbow-colored in compliance with the international safety norm, and the paint material used are harmless to the people, because they have already passed the European Safety Norm EN 71 which is the most authoritative and strict standard in the world and contained accordingly little heavy metals, toxic substances and also allergy pigment under the maximum permissible standard. The size of wooden toys are not small enough for infant and young children to be able to swallow and this is important check point, because infants tend to feel the object in their own touching and therefore to have everything to the lip. The paint used was the toys-oriented goods and proved by the test regarding saliva and sweat.

• Journal of Family Resource Management and Policy Review
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• v.23 no.1
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• pp.61-81
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• 2019

This study aims to examine the relative effects of marital conflict, social support, satisfaction with early childhood care and education centers, and family-friendly policies on the parenting stress of working mothers. The data were drawn from the 4th and 7th waves of the Panel Study of Korean Children (PSKC). Participants comprised 252 working mothers with infant children (4th wave) and children in the early childhood stage (7th wave). Data were analyzed using Pearson's correlation coefficients and hierarchical multiple regression with SPSS 22.0. The major findings were that marital conflict, emotional support, and the implementation of family-friendly policies significantly affected the parenting stress of working mothers with infant children. Additionally, marital conflict and satisfaction with early childhood care and education centers had significant effects on the parenting stress of working mothers with children in the early childhood stage. These findings emphasize the importance of considering a child's developmental stage in reducing parenting stress.

• Korean Journal of Child Studies
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• v.28 no.6
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• pp.183-199
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• 2007

This longitudinal study investigated developmental changes in temperament and examined social adjustment problems by early temperamental characteristics and developmental patterns of temperamental change during infancy. Subjects were 153 six-month-old infants and their mothers. Infant temperament and toddler's problem behavior were measured by the Infant Behavior Questionnaire-Revised (Garstein & Rothbart, 2003) and the Toddler Behavior Checklist (Larzelere et al., 1989), respectively. Results showed that distress to limitations, high pleasure, perceptual sensitivity, and approach increased with age, while activity level, cuddliness, and vocal reactivity decreased. Infants with high scores in activity level, fear, sadness, and approach at 6 months showed more problem behaviors at 18 months. Infants showing abrupt developmental change of high pleasure and perceptual sensitivity developed more negative behavior.

• Journal of the korean academy of Pediatric Dentistry
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• v.27 no.1
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• pp.32-39
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• 2000

The purpose of this study was to assess the cariogenic potential of five infant formulas in vitro. as compared with 10% sucrose solution and whole bovine milk. Buffering capacities were determined by the amount of 0.1 N lactic acid consumed to titrate the 50ml specimen solutions to pH 4.0. The pH of the specimen solution inoculated by Streptococcus mutans was measured by pH meter and the surface microhardness of primary tooth enamel immersed in the specimen solution was measured by the microhardness tester, before and after 48 hours incubation. Also, the solubility of calcium from synthetic hydroxyapatite was evaluated by atomic absorption spectrophotometer The buffering capacity of infant formulas was higher than that of sucrose solution and lower than that of milk, and there were significant differences among infant formulas(P<0.01). The average pH of infant formulas after 48 hours incubation was lower than that of sucrose solution and milk, and there was significant difference between infant formulas and milk(P<0.05). There were no signifiant differences among oops in the microhardness change of primary tooth enamel and in the amount of dissolved calcium ion from synthetic hydroxyapatite after incubation with Streptococcus mutans. In conclusion, infant formulas seemed to fulfill the basic requirments to cause dental caries in primary teeth, and there were significant differences of cariogenic potential among infant formulas. Cooperative efforts of dentistry and manufacturers to reduce the cariogenic potential of infant formulas would be necessary to prevent the early childhood caries in children.

• Korean Journal of Child Education & Care
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• v.17 no.4
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• pp.121-143
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• 2017

The objective of this study is to find out the relation between infant teacher attachment or infant gesture and infant language development. The study was conducted with infants aged between 18 and 24 months and their 84 teachers of 63 home day care centers and infant day care centers in J city, Jeollabukdo. The results of the study are as follows. First, there was positive correlation between infant teacher attachment and infant language development. Looking at the types of infant teacher attachment showed that positive emotion, contact-seeking, self-sacrifice genialities, approach-seeking, solidarity, and expectation had positive correlation with receptive and expressive language, protection had positive correlation with receptive language, and only indifference had negative correlation with receptive language. Second, of sub-factors of infant gesture, directive gesture had negative correlation with receptive language, and customary and representational gesture had positive correlation with expressive language. Third, according to the results of the study of the effects of infant teacher attachment and infant gesture on infant language development, contact-seeking had the largest effect. Looking at the types of infant language development showed that contact-seeking had the largest effect on receptive language, and solidarity had the largest effect on expressive language. The results of the study showed that infant teacher attachment had larger effects on infant language development than infant gesture. It is expected to be used as useful materials to improve communicative abilities of infant teachers interacting with infants for infant language development.

• Journal of Chest Surgery
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• v.26 no.3
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• pp.180-185
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• 1993

From February 1982 to December 1991, 49 neonates and 105 infants in less than 3 months of age underwent open heart surgery in Seoul National University Hospital. There were 98 males and 56 females, and their mean ages were 16 days in neonatal group and 67 days in early infant group. Their body weight and height were less than 3 percentile of normal developmental pattern. In order of decreasing incidence, the corrected conditions included Transposition of great arteries with or without ventricular septal defect [43], isolated ventricular septal defect [34], Total anomalous pulmonary venous return [21], Pulmonary atresia with intact ventricular septum [9] and others [47]. Various corrective or palliative procedures were performed on these patients; Arterial switch operation [36], patch closure for ventricular septal defect [34], Repair of total anomalous pulmonary venous return [21], RVOT reconstruction for congenital anomalies with compromised right ventricular outflow tract [17]. Profound hypothermia and circulatory arrest were used in 94 patients [ 61% ]: 42 patients [ 85.7% ] for neonatal group and 52 patients [ 49.5% ] for early infant group. The durations of circulatory interruption were within the safe margin according to the corresponding body temperature in most cases [ 84% ]. The hospital mortality was 36.4% ; 44.9% in neonatal group and 32.4% in infant group 1 to 3 months of age. The mortality was higher in cyanotic patients [ 46.6% ], in those who underwent palliative procedures [ 57.8% ], in patients whose circulatory arrest time was longer than safe periods [ 60% 0] and in patients who had long periods of cardiopulmonary bypss and aortic crossclamping. In conclusion, there has been increasing incidence of open heart surgery in neonates and early infants in recent years and the technique of deep hypothermia and circulatory arrest was applied in most of these patients, and the mortality was higher in cyanotic neonates who underwent palliative procedures and who had long cardiopulmonary bypass , aortic cross-clamping and circulatory arrest.