• The Korean Journal of Community Living Science
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• v.16 no.4
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• pp.71-81
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• 2005

The purpose of this research was to delineate the effect of maternal parenting stress and verbal abuse on emotional maladjustment behaviors in children. The sample consisted of 542 pairs of fifth/sixth graders and seventh/eighth graders, and their mothers. The major findings of the research were as follows: First, looking at the correlation between the mother's age/education level and the maternal parenting stress level, the maternal parenting stress level factor showed differences correlating to the mother's education level. Second, looking at the correlation between the mother's age/education level and the verbal abuse, the verbal abuse factor showed differences correlating to the mother's age/education level. Third, looking at the correlation between the maternal parenting stress level and the verbal abuse, the verbal abuse factor showed differences correlating to the maternal parenting stress level. Forth, the result of multiple regression analysis on the effects of the maternal parenting stress and verbal abuse on the children's emotional maladjustment behaviors indicated that verbal abuse was the significant contributing factor.

• Korean Journal of Child Studies
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• v.34 no.6
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• pp.77-96
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• 2013

The purpose of this study was to examine the relationships among mother's psychological characteristics(self-esteem, self-efficacy, and depression), parenting related factors(maternal parenting stress and mother's knowledge on infant development), maternal parenting style, and two-year-old infants' development. The participants consisted of 1735 mothers and their two-year old infants selected from a sample of the 3rd Panel Study of Korean Children(PSKC) by the Korea Institute of Child Care and Education(KICCE), conducted in 2010. Data were analyzed by means of a Structural Equation Model(SEM) to identify the structure and relationships among the various factors. The significance of direct and indirect effects to test the mediating effect of maternal parenting style were identified via bootstrapping. The results indicated that maternal parenting style most definitely mediated the relationship among the mother's psychological characteristics(self-esteem and self-efficacy), parenting related factors(maternal parenting stress and mother's knowledge on Infant development) and the development of their two-year-old infants.

• Korean Parent-Child Health Journal
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• v.11 no.1
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• pp.15-24
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• 2008

Maternal depression is known to have important negative effects on mother, child and mother-child relationship. To review current research evidence of association between maternal depression and their children's health and development, relevant studies were identified using Medline and Kiss(Korean studies Information Service System). The majority of research has reported that children of mother with depression are at risk for impaired physical functioning, growth and developmental delays, and behavioral problems compared to general population. From these studies, it is suggested that these kinds of studies are necessary in this country to examine the relation between maternal depression and children's health and development. Recommendations are included for future research and screening programs for maternal depression.

• Korean Journal of Human Ecology
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• v.12 no.5
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• pp.713-735
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• 2003

The purpose of this study was to investigate the effects of the characteristics of maternal social networks on maternal expectation for their own children to examine the path that social networks had an effect on the self-esteem and the emotional intelligence of children through maternal expectation for their own children. The data used in this study were collected from 524 fourth to sixth graders and their mothers residing in Daejeon using structured questionnaire. The major findings of the study were as follows : (1) Among social network characteristics, proportion of friends and neighbors, proximity, direction and interference had a negative effect, and proportion of mothers of child's friends, frequency of contact, intimacy, emotional support, service support had a positive effect on maternal expectation for their own children. (2) Among social network characteristics, proportion of mothers of child's friends had a direct effect and proportion of friends, neighbors, and mothers of child's friends, proximity, frequency of contact, intimacy, direction, emotional support, service support, and interference had an indirect effect on children's emotional intelligence through maternal expectation for their own children. (3) Among social network characteristics, proportion of kin and mothers of child's friends, intimacy, service support, material support and interference had a direct effect, and proportion of neighbors and mothers of child's friends, proximity, frequency of contact, direction, service support had an indirect effect on children's emotional intelligence through maternal expectation for their own children.

• Korean Journal of Childcare and Education
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• v.12 no.6
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• pp.249-270
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• 2016

The purpose of this study was to investigate the stability and reciprocal effects of maternal parenting stress and perceived social support in early childhood. Specifically, we compared these relations for working and nonworking mothers. The second through fourth wave data of the Panel Study of Korean Children (PSKC) were used in this study. Data were analyzed using t-tests, correlations, and autoregressive cross-lagged modeling analyses. First, parenting stress of non-working mothers was higher than that of working mothers and working mothers perceived higher levels of social support compared to nonworking mothers. Second, both maternal parenting stress and social support were stable over time. Third, there were significant reciprocal effects between maternal parenting stress and perceived social support. Differences between working and non-working mothers were found in the paths from parenting stress to social support. The implications of the stability and reciprocal effects of parenting stress and perceived social support and the difference between working and non-working mothers in the relationship of the two constructs have been discussed.

• Journal of Environmental Health Sciences
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• v.22 no.3
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• pp.17-27
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• 1996

The purpose of this study was to evaluate the decreasing effects of Korean garlic against the accumulation of mercury levels in maternal and fetal organs in pregnant Fischer 344 rats, based on the theory and information that neutral amino acids have protective effects against mercury poisoning and garlic contains a large of neutral amino acids. The results obtained are as follows: 1. On the 20th day of gestation, the maternal body weight in 20 mg/wt$\cdot$kg methyl mercuric chloride groups was 76.1% of those in control group, but those recovered to be 81.2% and 93.6% by treating with garlic (0.5 g/wt$\cdot$kg and 1.0 g/wt$\cdot$kg). 2. The mercury levels in maternal organs were reduced 6.2% and 47.2% (p<0.05) in kidney, 8.2% and 42.1% (p<0.05) in spleen, 9.7% and 40.9% (p<0.05) in blood, 35.6% (p<0.05) and 67.2% (p<0.05) in liver, 38.0% (p<0.05) and 57.6% (p<0.05) in brain, by treating with garlic (0.5 g/wt$\cdot$kg and 1.0 g/wt$\cdot$kg). 3. The mercury levels were reduced 22.4% and 44.3% (p<0.05) in placenta, and 34.7% (p<0.05) and 54.9% (p<0.05) in fetal body, by treating with garlic (0.5 g/wt$\cdot$kg and 1.0 g/wt$\cdot$kg). 4. The mercury levels in fetal organs were reduced 17.5% and 46.7% (p<0.05) in kidney, 15.1% and 37.0% (p<0.05) in brain, 30.2% (p<0.05) and 46.7% (p<0.05) in liver, by treating with garlic (0.5 g/wt$\cdot$kg and 1.0 g/wt$\cdot$kg). 5. Mercury levels in maternal kidney were 6.73~7.71 times higher than those in fetal kidney, but those in fetal liver and brain were 1.67~2.25 times and 1.98~2.93 times higher than those in maternal liver and brain, respectively. In conclusion, Korean garlic decrease the accumulation of mercury levels in maternal and fetal organs in pregnant Fischer 344 rats as increasing the dose.

• Asian-Australasian Journal of Animal Sciences
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• v.18 no.6
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• pp.855-860
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• 2005

This study was designed to test the effects of changes in energy and protein intake levels on the maternal milk amino acid concentrations over the short-term in lactating mares. Three lactating mares were enrolled for the study 7 weeks after parturition. A low-energy and low-protein diet (LEP) was administered during the first week of the study, followed by administration of a high-energy and high-protein diet (HEP), again for a week (day 1 to day 7), and milk was sampled thrice daily at intervals of 8 h during the study period. The mean amino acid concentrations in the maternal milk, except for those of proline, serine and valine, were significantly higher in the HEP feeding period than during the LEP feeding period (p<0.05). The sum of the concentrations of all the amino acids (TAA) in the maternal milk samples during the HEP and LEP feeding periods was 1,644.9${\pm}$26.9 and 1,542.3${\pm}$36.0 mg/100 g, respectively, the difference between the two was not significant. When the ratio of each amino acid concentration to the TAA in the maternal milk was analyzed, there were significant differences between the HEP and LEP feeding periods for all amino acids, except glycine, serine, alanine and histidine. It was found that the concentrations of glutamic acid+glutamine, serine, threonine, arginine and valine were significantly higher (p<0.05) on day 1 than on day 7 during the LEP feeding period, and there were no such differences during the HEP feeding period. In regard to the effects of changes in the energy and protein intake levels in lactating mares, no changes in milk amino acid concentrations were found following administration of HEP for a week, whereas 7 days of administration of LEP was associated with a decrease in the amino acid concentrations.

• Journal of Korean Academy of Nursing
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• v.43 no.1
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• pp.69-80
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• 2013

Purpose: The purpose of the study was to investigate the effects of an integrated self-management program on self-management, glycemic control, and maternal identity in women with gestational diabetes mellitus (GDM). Methods: A non-equivalent control group non-synchronized quasi-experimental design was used. A total of 55 women with GDM were recruited from Cheil General Hospital, Seoul, Korea and were assigned to an experimental (n=28) or control group (n=27). The participants were 24-30 weeks pregnant women who had been diagnosed with GDM as of July 30, 2010. The program was conducted as a 1 hour small group meeting 3 out of 5 times and by telephone-counseling 2 out of 5 times. The integrated self-management program was verified by an expert panel. Results: Although there was no significant reduction in HbA1c (U= -1.17, p=.238), there were statistically significant increases in self-management (U= -3.80, p<.001) and maternal identity (U= -4.48, p<.001), and decreased 2-h postprandial glucose levels (U= -2.43, p<.015) in the experimental group compared to the control group. Conclusion: These findings suggest that an integrated self-management program for women with GDM improves self-management, maternal identity, and glycemic control. Further studies are needed to identify the effects of an integrated self-management program on pregnancy and neonatal outcomes.

• Journal of Korean Academy of Nursing
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• v.47 no.6
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• pp.854-863
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• 2017

Purpose: The present study is a descriptive cross-sectional study of cause-and-effect relationship, which used the $7^{th}$ year data of the Panel Study on Korean Children, to investigate the effects of parenting stress, depression, and family interactions of the parents of early school-age children on children's subjective happiness. Methods: The present study included data of 1419 pairs of parents who participated in the mother and father survey of the Panel Study on Korean Children. The effects of parenting stress, depression, and parental family interactions on children's subjective happiness were analyzed as actor and partner effects using path analysis. Results: Parenting stress had an actor effect on depression; maternal parenting stress (${\beta}=-.21$, p<.001) and depression (${\beta}=-.30$, p<.001) had an actor effect on maternal family interaction; and paternal parenting stress (${\beta}=-.18$, p<.001) and depression (${\beta}=-.17$, p<.001) had a partner effect on maternal family interaction. Paternal parenting stress was found to have an actor effect on paternal family interaction (${\beta}=-.30$, p<.001), and parental depression was found to have actor effect (${\beta}=-.23$, p<.001) and maternal depression had a partner effect on paternal family interactions (${\beta}=-.22$, p<.001). Children's subjective happiness was found to have a statistically significant relationship with maternal family interaction (${\beta}=.40$, p<.001). Conclusion: The significance of the study is in its provision of basic data for adjusting parents' family interactions that are closely related to the growth and development of children by confirming the effect of parents' parenting stress, depression, and family interaction on children's subjective happiness.

• Korean Journal of Childcare and Education
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• v.17 no.3
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• pp.65-87
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• 2021

Objective: This study aimed to examine the effects of maternal monitoring, shared activities with children, maternal education-oriented behavior, and allowing children to own smart-phones on smart media usage patterns based on smart-phone usage time and purposes among elementary school children. Methods: The participants were 1,315 second-grade elementary school children from the 9th wave of PSKC. Latent profile analysis and the three-step estimation approach were used to examine the determinants of the latent profile and the effects of maternal parenting on the profile. Results: Four latent profiles were identified: 'High-level usage & Entertaining oriented,' 'Moderate-level usage & Social/entertaining oriented,' 'Moderate-level usage & Learning oriented,' and 'Low-level usage.' Additionally, results showed that each profile can be predicted by maternal monitoring, education-oriented behavior, and permitting children to own smart-phones. Conclusion/Implications: Our outcomes suggested that it would be necessary to understand the smart media usage patterns of elementary school children, considering both the amount of time spent with smart media and purposes of uses. Further, it is helpful for mothers to monitor children's daily activities, support their educational activities, and take the role of gatekeeper for smart media as a way of appropriate guidance for their children's use of smart media.