• The Korean Journal of Applied Statistics
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• v.28 no.4
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• pp.685-701
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• 2015

The low fertility rate and the unprecedented rapid pace of population aging is a significant factor degrading the national competitiveness and the social security system of Korea. The government has implemented various maternity incentives to alleviate the low birth problem; however, the policy seems in effective to solve the problem of low fertility. This study proposes a conditional birth-order specific fertility rate and investigates the policy effects of fertility transition in Korea to provide a basis for more effective policy development. The use of a conditional birth-order specific fertility rate allows for an effective calculation of the change and the effect in total fertility rate than a birth-order specific fertility rate. We compare the effects of the total fertility rate according to various scenarios that enables us to calculate how the total fertility rate can achieve the current multi-child childbirth support policy of the government and estimate how the total fertility rate can be achieved when focusing on the first or second childbirth support policy. We also summarize the research results on policy development for a practical increase in the childbirth that considers the rapid decrease in women of childbearing age (15-49 years) due to continued low fertility and present the number of childbirths in accordance with the total fertility rate.

• Health Policy and Management
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• v.14 no.1
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• pp.148-168
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• 2004

To investigate the effect of parents' social class on birthweight in Korea during the period of transition to a market economy, 1995-2001. Methods: All births resulting from pregnacies reported in 1995-22001(n=4,298,374) were studied with respect to social variation in birthweight. The results were adjusted for maternal age, parity, parents' education, gestational age, total births, the dead births among total births, the number of births in one delivery. Results: Between 1995 and 2001, mean birth weight was 3271g and low birth rate was 3.41%. Maternal education, faternal education, parents' occupation, the number of birth in one delivery, total births, gestational age, and the number of deaths among. total births were all independently related to the birthweight. Parents with lower education showed higher low-birthweight rates compared with parents with university level of education(OR: 2.16 for mother and 1.68 for father). Especially, mother's education showed stronger relationship with birthweight than fathers' education. The differences in birth weight by parents' social class, especially parents' educational level became stronger between 1995 and 2001. Discussion: This study suggests that the social differences of birth weight were increasing in order 1995 to 2001. Especially, this increasing tendency in variation in birth weight by social class was shown after economic crisis, 1998.

• Health Policy and Management
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• v.28 no.3
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• pp.233-239
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• 2018

A rapid decrease of total fertility rate to 1.08 in 2005 prompted the Korean government to plan and implement a '5-year plan for ageing society and population policy' starting from 2006. The 1st and 2nd 5-year plans had not shown any discernible impact on the fertility and the 3rd 5-year plan was launched in 2016. However, the fertility rate is going down further. The author reviewed the contents and assessment reports of the fertility promotion plan to suggest ideas for complementing the shortcomings of it. Author defined the major determinants of marriage and child birth as philosophy, politics, sense of value, social norm, culture, healthcare, and education. The plan was examined in view of these determinants. Transformation of Korea from an agricultural society to an industrialized society in a short period of time had brought about changes in most of the determinants of marriage and child birth; in particular philosophy and sense of value. These aspects were not put into consideration in the plan. Author suggested to launch a social education program for the general public to establish a sound philosophy of life, reform the sense of value on family, child birth and education, and cultivate the skill to draw a consensus through discussions on the social issues. A special program to promote marriage of women at the optimum age for child birth was proposed. The government should implement well balanced policy for economic development and labor. Multidisciplinary approach was recommended for these tasks.

• Journal of Convergence for Information Technology
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• v.10 no.3
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• pp.92-103
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• 2020

This study agrees with the seriousness of the low birth phenomenon in our country and discusses the analysis of the causes of low birth and the establishment of the policy measures for early childhood education and child care in relation to the low birth phenomenon. In particular, the purpose of the policy is to establish a policy plan for up-to-down early childhood education and child care that can be reflected in the policy by members related to early childhood education, breaking away from the existing one for top-down child education and child care. To this end, the research was conducted using Delphi technique and 20 experts in the field of early childhood education and child care were organized into expert panels. In this study, seven policies were proposed for opportunity compliance, eleven policies for service compliance, eight policies for compliance with goods/gift certificates/tax reduction, seven policies for compliance with cash benefits, and five policies for compliance with power. We hope that the bottom-up education and childcare policy measures proposed in this study will provide specific implications and suggestions for resolving the low birth rate.

• Korean Parent-Child Health Journal
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• v.3 no.1
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• pp.1-14
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• 2000

The Low Birth Weight infant birth rate in this country is a little more than 15 percent and is being increased. The survival rate of Low Birth Weight infant is over 90 percent and recently the rate runs is getting. However, because of the high risk of Low Birth Weight infant for handicap in growth, a preventive nursing intervention program for Low Birth Weight infant and their mother is considered to be necessary. Touch and massage, thus sensory stimulation has been considered to be important ensuring a normal growth of Low Birth Weight infant During the past decades sensory stimulation program has been used for premature and Low Birth Weight infants. Recently a study on the sensory stimulation for Low Birth Weight infants has bee n done in this country. Mother and infant relationship has a great influence on child's development. Especially, mother and infant interaction during one year after birth plays important role in child's social. affective and cognitive developments. But in the study of Low Birth Weight infants, the mother and infant interaction has been rare yet. However, there was no study effectiveness of the sensory stimulation on mother and infant interaction. In this respect, this study based on the importance of the nursing intervention, is intended to measure the effectiveness of the massage therapy in the aspects of weight, daily feeding amount, cortisolurine stress hormone and mother and infant interactions. This study has been conducted on the nonequivalent control group pretestposttest design in quasi experimental basis and Low Birth Weight infants from NICU of two Medical University Hospitals located in Taegu Metropolitan were selected in experimental group of 21 infants and control group of 20 infants. Data has been collected from May 1, 1999 to September 5, 2000. For the experimental group Field's sensory stimulation(tactile and kinesthetic stimulation) was applied 2 times a day for 10 days(10:00 - 11:00 hours in the morning and 19:00 - 20:00 in the afternoon) by nurse and mother. The electronic indicator scale (Cas Co. Korea) was used to measure infant's body weight. To determine urine cortisol concentration level under stress, rad immuno assay method was used. And to determine mother and infant interactions during feeding, tools developed by Kim Mi-Ye (1999) were used. Collected data were analyzed with SAS program using x-test, t-test, paired t-test and repeated measures ANOVA. Findings were as follows : 1. For the daily mean weight gain, the experimental group showed little higher than the control group, even though, there was no Statistically significant differences between two groups. 2. For the amount of daily mean feeding, the experimental group showed little higher than the control group, while there was no Statistically significant differences between two groups. 3. The level of wine cortisol concentration was increased in both groups, while no Statistical significance was shown between the two groups. 4. Mothers in experimental group were more likely to have higher mean scores in mother and infant interaction during feeding than mothers in the control group. Statistical significance was shown between the two groups(t= 5.78, P=.001). In conclusion, the massage therapy in this study showed with regard to even though through there was no statistically significance in the weight gain and urine stress hormone concentration. there was Statistical significantly higher in the mother and infant interaction during feeding. Based on the result of this study, it is considered that the massage therapy should be applied clinical practice and home to help a developmental growth and interaction of Low Birth Weight infants and mothers during the period of recovery.

• Journal of Preventive Medicine and Public Health
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• v.20 no.2 s.22
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• pp.322-330
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• 1987

The objectives of this study were to examine the changes of birth weight and relationship of birth weight with maternal age and parity. The study population included 13,634 single live births out of 14,346 births delivered at a general hospital in Busan between January 1, 1977 and December 31, 1956. Data were obtained from the delivery record. In 1979 the mean birth weight of male was 3,074 gm and that of female was 2,985 gm. In 1986 birth weight of male was increased to 3,266 gm and that of female to 3,210 gm. Low birth weight ($\leq$2,500 gm) incidence rate was 7.2% in 1977 and it was increased gradually to 10.4% in 1980 but decreased thereafter to 6.5% in 1986. Incidence rate of overweight infant (4,001 gm $\leq$) was 3.9% for 10 years and it ranged from 2.9% to 4.6% but no particular changing pattern was observed. The percentage of mothers who had history of induced abortion was decreased from 51.6% in 1979 to 45.1% in 1986. Also, stillbirth rate was decreased from 2.6% in 1977 to 1.5% in 1986. The proportion of the first and second births was increased from 55.4% in 1977 to 96.0% in 1986 and the proportion of mothers of 25-34 years increased from 72.1% in 1977 to 84.7% in 1986. The incidence rates of low birth weight and over weight infant are lower in the first and second births of 25-34 years old mothers than other parities and age groups. Increased mean birth weight and decreased low birht weight incidence rate indicate that the health status of newborn infants has been improved and substantial portion of these changes can be attributed to increase in family planning practice rate and delayed marriage. There is no evidence, however, for increasing incidence rate of overweight infant.

• Journal of Family Resource Management and Policy Review
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• v.12 no.2
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• pp.15-30
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• 2008

According to the research taken by the National Statistical Office, the fertility rate of a Korean fertile female is 1.17. This figure is the lowest in the world, and the reduction in the fertility rate over the last 30 years was the biggest in the world. It can be seen as a warning alarm about the effects of a low birth rate and a silver society. Assuming that there are several factors involved in this phenomenon, this study inquired into the attitude towards children, attitude towards nourishing children, attitude towards sex roles and the harmony between the jobs and families of married females, and examined the factors that influence the willingness to give birth. Final 581 copies of the survey questionnaire were used for analysis and the collected data were analysed by SPSS, Pearson's correlation analysis, t-test, ANOVA, and Duncan's Multiple Range Test. Three main conclusions were reached: Firstly, the value variables, such as sex-role attitudes and the preference for work or home, affect the willingness to give birth. Therefore, it can be said that one's values have a significant effect on these variables and the willingness to give birth. Secondly, both working morns and housewives have a strong tendency to give a birth if they are supported on child rearing. Finally, the employment of the married women itself can be a variable that can affect childbirth. In other words, the working hours affect employed married women so as sex-role attitudes, the preference between work and home, ideal number of children, and the income to housewives. Also, even in whole married women, the employment itself can be a major factor of the willingness to have a baby. Therefore, unemployed married women have more of a tendency to have children than employed married women.

• Child Health Nursing Research
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• v.2 no.2
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• pp.58-65
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• 1996

This study examined characteristics among 131 infants who were born at three hospitals affiliated with Catholic University. Those infants were very low birth weight infants (VLBWI ). Data were gathered through review of medical records between 1990 to 1993. The results were as follows : 1. Regarding the birth weight, 72.6％ were between 1000 gm to 1500 gm and 27.4% were below 1000gm. Of the VLBWI, 27.5% had gestational age of 29-30 weeks and 22. lof had gestational age of 26 weeks and below. The birth weight of them was significantly correlated with their gestational age. 2. Most of VLBWI had been hospitalized for more than 30 days and particulaly those who were between 1100-1400gm had been hospitalized more than 60 days. And the number of clinical problem was the most influencing factor on their discharge. 3. Of the VLBWI, 28.2% were given gavage feeding. 4. Jaundice appeared predominantly on the 3rd day after birth ,with 64.1％ of incidence rate. Of those infants developed jaundice, 92.9% received phototherapy 5. The most common problem after birth was respiratory conditions. And oxygen therapy was administered for 93.9% of the VLBWI while they were in the hospital.

• Korean Journal of Childcare and Education
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• v.20 no.2
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• pp.127-143
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• 2024

Objective: The purpose of this study is to develop a machine learning model to predict the subsequent childbirth intention of married women with one child, aiming to address the low birth rate problem in Korea, This will be achieved by utilizing data from the 2021 Family and Childbirth Survey conducted by the Korea Institute for Health and Social Affairs. Methods: A prediction model was developed using the Random Forest algorithm to predict the subsequent childbirth intention of married women with one child. This algorithm was chosen for its advantages in prediction and generalization, and its performance was evaluated. Results: The significance of variables influencing the Random Forest prediction model was confirmed. With the exception of the presence or absence of leave before and after childbirth, most variables contributed to predicting the intention to have subsequent childbirth. Notably, variables such as the mother's age, number of children planned at the time of marriage, average monthly household income, spouse's share of childcare burden, mother's weekday housework hours, and presence or absence of spouse's maternity leave emerged as relatively important predictors of subsequent childbirth intention.

• Neonatal Medicine
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• v.15 no.2
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• pp.123-133
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• 2008

Purpose: The purpose of this study was to determine the outcomes of extremely low birth weight infants (ELBWI) who were born at the Asan Medical Center and evaluate the recent status of neonatal intensive care and associated problems. Methods:We retrospectively evaluated 120 inborn ELBWI who were admitted to the NICU of the Asan Medical Center between 2003 and 2006. The survival rate, neurodevelopmental outcomes, maternal and infant factors, and infant mordibities were evaluated and the relationships with survival and catch-up growth were investigated. Results:The survival rate of the ELBWI was 82% at a mean gestational age of 27+2 weeks, and with a mean birth weight of 801.3${\pm}$129.0 g. The duration of hospitalization was 85.7${\pm}$27.2 days, the duration of O2 use was 43.9${\pm}$35.4 days, and the duration of ventilatory support was 20.9${\pm}$20.9 days among the survivors. The incidence of respiratory distress syndrome, chronic lung disease, severe intraventricular hemorrhage, and periventricular leukomalacia were 41.8%, 61.2%, 3%, and 4%, respectively. The mean mental developmental index and psychomotor development index of Bailey Scales of Infant Development (II) at follow-up were 83.4${\pm}$18.2 and 83.3${\pm}$20.3, respectively. Among the infants who had >18 months of follow-up, 50.8% had catch-up growth at 12 months. Conclusion:The survival rate of ELBWI has improved; however, the morbidities remain high, thus indicating further efforts must be implemented to reduce morbidity and improve neurodevelopmental outcomes.