• Korean Journal of Childcare and Education
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• v.19 no.4
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• pp.89-109
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• 2023

Objective: This study examined the moderating effect of young children's temperament on the relationship between maternal anxiety and overprotection. Methods: A total of 250 mothers with 5-year-old children responded to online survey questionnaires, which included questions about maternal anxiety, overprotection, and their children's temperament. Results: The results of the study revealed several important findings. First, maternal anxiety had a positive correlation to the overall level of overprotection and all sub-factors. The correlation between young children's temperament and maternal overprotection had different results depending on the sub-factors of overprotection. Second, there was a significant moderating effect of young children's temperament on the relationship between maternal anxiety and overprotection. That is, When the reactivity of a child was low, the positive effect of maternal anxiety on maternal overprotection was greater. Looking at the sub-factors of overprotection, only reactive temperament showed a significant moderating effect in the relationship between maternal anxiety and intrusive overprotection. On the relationship between maternal anxiety and permissive overprotection, reactivity and adaptability had significant moderating effects. Conclusion/Implications: This study showed that mother's overprotection was associated with varying levels of their own anxiety and children's temperament. These findings offer basic knowledge for development of a program for improving parenting behaviors.

• Asian-Australasian Journal of Animal Sciences
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• v.21 no.7
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• pp.961-966
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• 2008

Direct and maternal genetic parameters for production traits in 1,642 pigs and maternal genetic correlations among production (1,642 pigs) and feed efficiency (380 boars) traits were estimated in 7 generations of a Duroc population. Traits studied were daily gain (DG), intramuscular fat (IMF), loineye area (LEA), backfat thickness (BF), daily feed intake (FI), feed conversion ratio (FCR) and residual feed intake (RFI). The RFI was calculated as the difference between actual and predicted feed intake. The predicted feed intake was estimated by adjusting the initial test weight, DG and BF. Data for production traits were analyzed using four alternative animal models (including direct, direct+maternal permanent environmental, or direct+maternal genetic+maternal permanent environmental effects). Direct heritability estimates from the model including direct and all maternal effects were $0.41{\pm}0.04$ for DG, $0.27{\pm}0.04$ for IMF, $0.52{\pm}0.06$ for LEA and $0.64{\pm}0.04$ for BF. Estimated maternal heritabilities ranged from $0.04{\pm}0.04$ to $0.15{\pm}0.05$ for production traits. Antagonistic relationships were observed between direct and maternal genetic effects ($r_{am}$) for LEA (-0.21). Maternal genetic correlations of feed efficiency traits with FI ($r_g$ of FI with FCR and RFI were $0.73{\pm}0.06$ and $0.90{\pm}0.05$, respectively) and LEA (rg of LEA with FCR and RFI were $-0.48{\pm}0.05$ to $-0.61{\pm}0.05$, respectively) were favorable. The estimated moderate genetic correlations between direct and maternal genetic effects for IMF and LEA indicated that maternal effects has an important role in these traits, and should be accounted for in the genetic evaluation system.

• Journal of Korean Medicine Rehabilitation
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• v.29 no.2
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• pp.91-99
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• 2019

Objectives The loss of maternal care during early postnatal period may increase development of mood-related disorders, such as depression, anxiety, and personality disorders. In this study, the effect of acupuncture on depression in relation with cell proliferation in the hippocampal gyrus dentatus was investigated using maternal-separated rat pups. Methods On the postnatal 14th day, rat pups from six dams were grouped into following groups: maternal care group, maternal separation group, maternal separation and non-acupoint-acupunctured group, maternal separation and Zusanli-acupunctured group, and maternal separation and fluoxetine-treated group. Acupuncture was performed from postnatal 28th day to postnatal 37th day. The rat pups that belong in the maternal separation and fluoxetine-treated group were injected subcutaneously with 5 mg/kg fluoxetine hydrochloride once a day for the same period of time. To evaluate activity of the rat pups, open field test was performed. Immunohistochemistry for serotonin (5-hydroxytryptamine, 5-HT) and tryptophan hydroxylase (TPH) in the dorsal raphe and for 5-bromo-2'-deoxyuridine (BrdU) in the hippocampal gyrus dentatus was conducted. Results The present results reveal that the activity was decreased by maternal separation. In contrast, acupuncture at Zusanli overcame maternal separation-induced hypoactivity. Maternal separation suppressed TPH expression and 5-HT synthesis in the dorsal raphe and decreased cell proliferation in the hippocampal gyrus dentatus of rat pups. In contrast, acupuncture at Zusanli alleviated maternal separation-induced decrease of 5-HT synthesisand TPH expression. Conclusions The present results demonstrate that acupuncture at Zusanli ameliorated depressive state through increasing cell proliferation and enhancing 5-HT synthesis.

• Journal of Korean Academic Society of Home Health Care Nursing
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• v.18 no.2
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• pp.88-98
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• 2011

Purpose: This study was done to develop and test a maternal role strengthening program based on home care nursing. Methods: A quasi-experimental design was employed. Changes in the variables(maternal identity and confidence of maternal role) were evaluated to test the effects of the developed program. Participants were first-time mothers receiving home care nursing from S Medical Center following normal spontaneous vaginal delivery(experimental group 29; control group 29). Data collection was conducted from December 2008 to February 2009. $X^2$-test, Fisher's exact test and t-test were used to analyse the data. Results: Hypothesis 1, that the experimental group receiving this program would experience a stronger maternal identity than the control group, was supported(t=-7.990, p=<.001). Hypothesis 2, that the experimental group would have higher confidence in their maternal role than the control group, was also supported(t=-10.109, p=<.001). Conclusion: The maternal role strengthening program based on home care nursing developed in this study was found to be an effective means of improving maternal identity and confidence of maternal role. As these traits are developed once the baby is born, active nursing programs which provide continuous training and demonstrations to mothers are needed prior to hospitalization and following hospital discharge.

• Journal of Fisheries and Marine Sciences Education
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• v.29 no.2
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• pp.365-379
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• 2017

The purpose of this study was to test the mediated effects of emotional regulation in the relations between maternal parenting and children's adaptation to school life of elementary school students. Three-hundred Seven elementary school students completed the maternal parenting scale, the emotional regulation scale, and the adaptation to school life scale. In order to find to identify how maternal parenting, emotional regulation were related with their adaptation to school life, Pearson correlation coefficients were used in the computation. To examine the effects of maternal parenting, emotional regulation on adaptation to school life, multiple regression analyses were conducted. To examine whether emotional regulation as a mediating variable in the process that maternal parenting is influencing children's adaptation to school life, hierarchical regression analyses were performed. The results of this study were summarized as follows. First, the analysis of the relationship of maternal parenting, emotional regulation with adaptation to school life shows that there is a significant positive correlation between maternal parenting, emotional regulation and adaptation to school life. Second, in the multiple regression analysis with maternal parenting and emotional regulation as a predictor and adaptation to school life as an outcome variable it has been shown that the emotional regulation were significant in adaptation to school life, but maternal parenting were not significant in adaptation to school life. The higher the emotional regulation is the better can children adapt themselves to school life. Third, the analysis on the mediating effects of emotional regulation in the relationship of maternal parenting and adaptation to school life showed that emotional regulation full mediates the relationship of maternal parenting with adaptation to school life.

• Women's Health Nursing
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• v.29 no.1
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• pp.55-65
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• 2023

Purpose: Coronavirus disease 2019 (COVID-19) has spread widely throughout the world, causing psychological problems such as fear, anxiety, and stress. During the COVID-19 pandemic, pregnant women have been concerned about both their own health and the health of their fetuses, and these concerns could negatively affect maternal-fetal attachment. Thus, this study aimed to explore the level of COVID-19 stress, resilience, and maternal-fetal attachment among pregnant women during the COVID-19 pandemic, and to identify factors influencing maternal-fetal attachment. Methods: In total, 118 pregnant women past 20 weeks gestation were recruited from two maternity clinics in Daegu, Korea, to participate in this descriptive correlational study during COVID-19. The factors influencing maternal-fetal attachment were analyzed using hierarchical multiple regression analysis. Results: The mean scores for COVID-19 stress, resilience, and maternal-fetal attachment were 57.18±10.32 out of 84, 67.32±15.09 out of 100, and 77.23±9.00 out of 96, respectively. Nulliparous pregnant women reported greater maternal-fetal attachment than multiparous pregnant women (p=.003). Religious pregnant women also reported greater maternal-fetal attachment than non-religious pregnant women (p=.039). Resilience (β=.29, p=.002), COVID-19 stress (β=.20, p=.030) and parity (β=-.17, p=.047) were factors influencing maternal-fetal attachment, and these factors explained 26.4% of the variance in maternal-fetal attachment (F=10.12, p<.001). Conclusion: Converse to common sense, COVID-19 stress exerted a positive influence on maternal-fetal attachment in pregnant women during the COVID-19 pandemic. Healthcare providers need to recognize the positive influence of COVID-19 stress and implement intervention strategies to strengthen resilience in pregnant women to improve maternal-fetal attachment.

• Journal of Korean Academy of Nursing
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• v.37 no.6
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• pp.949-956
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• 2007

Purpose: The purpose of this study was to examine the effects of Kangaroo Care(KC) on anxiety, maternal role confidence, and maternal infant attachment of mothers who delivered preterm infants. Methods: The research design was a nonequivalent control group pretest-posttest. Data was collected from September 1. 2006 to June 20. 2007. The participants were 22 mothers in the experimental group and 21 in the control group. KC was applied three times per day, for a total of ten times in 4 days to the experimental group. Results: The degree of anxiety was statistically significantly different between the two groups but maternal role confidence and maternal infant attachment was statistically insignificant. Conclusion: This data suggests that KC was effective for mothers anxiety relief but it was not effective for maternal role confidence and maternal infant attachment of mothers. The implications for nursing practice and directions for future research need to be discussed.

• Journal of Korean Academy of Nursing
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• v.41 no.6
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• pp.733-741
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• 2011

Purpose: The purpose of this study was to identify factors influencing maternal identity of Korean primiparas. Methods: The data were collected by a self-report questionnaire in 2006. The participants were 210 healthy primiparous women who delivered at one of three medical centers and revisited the outpatient department for follow up between 4 to 6 weeks after childbirth. Data were analyzed using the SPSS WIN 17.0 program with descriptive statistics, t-test, one way ANOVA, Pearson correlation coefficient, and stepwise multiple regression. Results: Maternal identity was significantly correlated with Taekyo accomplishment, the culturally based prenatal preparation (p<.001). Transitional gratification to motherhood (p<.001), postpartum depression (p<.001), childcare stress (p<.001), infant temperament (p<.001), and social support (p<.001) were also significantly correlated with maternal identity. The stepwise multiple regression analysis showed that maternal identity was significantly predicted by transitional gratification to motherhood, infant temperament, childcare stress, and Taekyo accomplishment. These variables explained 31.0% of the variance of maternal identity. Conclusion: The results of this study suggest that postpartum nursing interventions to promote maternal identity should focus on reinforcing education and support for reducing childcare stress and infant difficulty, and increasing transitional gratification to motherhood. Also, prenatal encouragement and education for improving Taekyo accomplishment may be helpful to promote maternal identity after birth.

• Women's Health Nursing
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• v.23 no.2
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• pp.99-108
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• 2017

Purpose: The purpose of this study was to examine the relationship among emotional clarity in emotional intelligence, maternal identity, and fetal attachment to measure how emotional clarity and maternal identity impact on fetal attachment and to determine mediating effects of maternal identity in pregnant women at the time of diagnosis with gestational diabetes mellitus (GDM). Methods: This study used a correlational survey design. 88 pregnant women with GDM completed a study questionnaire of emotional clarity, maternal identity, and fetal attachment immediately after the diagnosis of GDM. Data were analyzed Mann-Whitney U test, and ANOVA with Duncan test, Pearson correlation, three-step regressions to test mediating effect, and Sobel test. Results: The emotional clarity was positively related with maternal identity and fetal attachment. It affected maternal identity with 21.9% of explained variance. The emotional clarity and the maternal identity were significant predictors of fetal attachment by 57.7% of explained variance. The maternal identity mediated the relationship between emotional clarity and fetal attachment. Conclusion: The results suggest that a nursing program to enhance the emotional clarity and the maternal identity needs to be developed as an effective strategy to improve fetal attachment.

• Journal of the Korean Home Economics Association
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• v.48 no.8
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• pp.87-97
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• 2010

The purposes of this study were to explore the differences in maternal parenting behaviors and mothers' family stress by children's sex and parental divorce and to investigate the relationships of maternal parenting behaviors with mothers' family stress in low income families. Participants of this study were 166 children of 4 to 6 grades and their mothers from low income divorced and intact families. The data were analyzed by descriptive statistics, two-way ANOVAs, Pearson's correlations. The result were as follows: Girls perceived more maternal warmth than boys in divorce families, but boys perceived more maternal warmth than girls in intact families. Boys perceived more maternal supervision than girls in intact and divorced families. Mother of divorced families had more childrearing stress than mothers of intact familes. In divorced families, children whose mothers had high levels of childrearing stress perceived less maternal warmth and supervision, and children whose mothers had high levels of work-family conflicts perceived less maternal warmth. In intact families, children whose mothers had high levels of economic stress perceived less maternal supervision.