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11.
Shigeki Koshida Tetsuo Ono Shunichiro Tsuji Takashi Murakami Hisatomi Arima Kentaro Takahashi 《Women and birth : journal of the Australian College of Midwives》2019,32(2):127-130
Background
Decreased fetal movements are associated with adverse perinatal outcomes, including stillbirth. Delayed maternal visits to a health care provider after perceiving decreased fetal movements are frequently observed in stillbirths. Informing pregnant women of the normal range of fetal movement frequency is essential in their earlier visits in order to prevent stillbirth.Aim
To investigate the fetal movement frequency in late pregnancy and the effects of associated perinatal factors.Methods
This prospective multicenter study was conducted in 20 obstetric facilities in our region of Japan. A total of 2337 pregnant women were asked to record the time it took to perceive 10 fetal movements by the modified ‘count to 10’ method every day from 34 weeks of gestation until delivery.Findings
The 90th percentile of the time for the maternal perception of 10 fetal movements was 18–29 min, with a gradually increasing trend toward the end of pregnancy. The numbers of both pregnant women giving birth after 39 weeks’ gestation and infants with a birth weight exceeding 3000 g were significantly higher in mothers who took ≥30 min to count 10 fetal movements than in those who took <30 min.Conclusion
The maternal perception time of fetal movements shows a gradually increasing trend within 30 min for 10 fetal movements by the modified ‘count to 10’ method. Informing pregnant women of the normal range of the fetal movement count time will help improve the maternal recognition of decreased fetal movements, which might prevent fetal death in late pregnancy. 相似文献12.
Ana Maria Takahashi Shingo Takahashi Thomas N. Maloney 《The Social Science Journal》2018,55(3):245-272
To understand differences in labor market outcomes between genders, economists must examine a complex array of potentially significant factors, such as institutional context, productivity differences, child-bearing and home production, and bargaining behavior. Many of these factors are not well captured by standard data sources. We use a new survey of academics in Japan to better understand the sources of gender pay differences. We find a 6% pay gap which persists when we control for research productivity, despite an institutional context shaped by explicit salary tables. We do not find a motherhood wage penalty, and the gender salary we document is not affected by differences in outside job offers. 相似文献
13.
Koji Takahashi 《International Journal of Japanese Sociology》2022,31(1):23-41
This article aims to grasp the influence of the pandemic on standard and non-standard employees in Japan and clarify its disparity between them. In 2020, there was an imbalance between the slight increase in standard employees and the massive loss of non-standard employees in the labour market. Non-standard employees' working hours were greatly reduced, often without allowances for absence, and hence their monthly income considerably diminished. As a result, their well-being also declined. Thus, the pandemic has affected employment, and its impact has been felt most strongly by non-standard employees. This does not mean that there is no discriminatory treatment of non-standard employees in firms. However, a closer look at the real picture reveals a variety of factors. In addition to the discriminatory treatment that is related to the Japanese employment system, a combination of managerial factors such as the shortage of standard employees, practical factors such as differences in wage systems, and the lack of sufficient information about the expansion of the coverage of the Employment Adjustment Subsidy, have placed non-standard employees at a huge disadvantage. 相似文献
14.
Dai Tanno Toshihide Hamazaki Tomone Takahashi 《International Journal of Group Tensions》1997,27(1):3-18
Many have contended that the white American public's negative attitudes toward Japan's domestic market are caused by one or more of three categories: economic, ethnic, and cultural elements. To date, no study has examined the connections between these categories. A questionnaire survey was used to collect responses from 296 white college students. A multiple regression analysis found that only economic elements were responsible for the negative attitudes toward Japan's domestic market. Neither cultural nor ethnic elements were found responsible. However, the economic elements accounted for about 10% of the variance in negative attitudes, leaving the vast majority of the variance unexplained. These findings suggest that elements responsible for the white American public's negative attitudes toward Japan's domestic market are not as simple as previously assumed. 相似文献
15.
For a family of one-parameter discrete exponential type distributions, the higher order approximation of randomized confidence intervals derived from the optimum test is discussed. Indeed, it is shown that they can be asymptotically constructed by means of the Edgeworth expansion. The usefulness is seen from the numerical results in the case of Poisson and binomial distributions. 相似文献
16.
Arita K 《Journal of lesbian studies》2006,10(3-4):105-111
This report introduces Remaza-Kansai, a lesbian mother group in Japan based in the Kansai area, their activities, and the lives of some of the participants in the activities based on interviews by the author. Remaza-Kansai organizes activities and special events for lesbian mothers and their children. It also manages a website and operates a bulletin board for lesbian mothers. In the interviews, it is found that besides the lack of legal recognition of lesbian mothers not biologically connected to the children, they also experience difficulties relating to schools. Another issue requiring further inquiry is how lesbian mothers "come out" to their children. doi:10.1300/J155v10n03_07. 相似文献
17.
An empirical analysis of the volatility of the Japanese stock price index: a non-parametric approach
Katsuyuki Takahashi 《Journal of applied statistics》2011,38(7):1381-1394
This paper presents an empirical analysis of stochastic features of volatility in the Japanese stock price index, or TOPIX, using high-frequency data sampled every 5 min. The process of TOPIX is modeled by a stochastic differential equation with the time-homogeneous drift and diffusion coefficients. To avoid the risk of misspecification for the volatility function, which is defined by the squared diffusion coefficient, the local polynomial model is applied to the data, and then produced the estimates of the volatility function together with their confidence intervals. The result of the estimation suggests that the volatility function shows similar patterns for one period, but drastically changes for another. 相似文献
18.
Sarah M. Bassett Dong Ha Kim Lois Takahashi Sonya Mathies Dinizulu Royce Lee 《Journal of social service research》2020,46(4):452-461
AbstractAfrican American youth are often stereotyped as being more aggressive than and experience more severe negative social sanctions relative to their European American peers. This cross-sectional study assessed self-reported levels of aggression among a sample of 538 low-income African American youth in Chicago, and employed latent class analysis to determine groups of aggression. Major study findings showed low, middle high aggression group. The largest number of youth fell within the low aggression group. Social factors (e.g., low student-teacher connectedness, high risky peer norms, neighborhood violence, and family conflict) were associated with inclusion in the high aggression group. Intrapersonal factors (e.g., depression, anxiety, post-traumatic stress disorder) were associated with inclusion in the middle aggression group. Future longitudinal research should examine what factors are associated with movement across aggression groups and capitalize upon knowledge gained in the current study to develop interventions. 相似文献
19.
Dong Ha Kim Sarah M. Bassett Lois Takahashi Dexter R. Voisin 《Journal of youth studies》2018,21(8):999-1010
Many studies have examined risk factors associated with poorer behavioral health among low-income African American youth, such as low school engagement, delinquency, mental health problems, drug use, and risky sex. However, fewer studies have examined protective factors for such behavioral health risk behaviors. This study sought to address this gap by examining whether high levels of self-esteem were associated with better behavioral health factors for this population. A survey was administered to a sample of 638 low-income African American adolescents in Chicago to examine the degree to which high self-esteem was associated with less delinquency, substance use, and sexual risk behaviors, and more school engagement, and whether such associations varied by gender. Stepwise linear and logistic regression models were estimated to assess the influence of self-esteem. Higher self-esteem for this sample of low-income African American adolescents was associated with lower rates of delinquency, drug use, and risky sexual behaviors and increased rates of school engagement. Gender moderated only a few of these relationships. These findings suggest that programs that promote high self–esteem alone or in combination with other resilience factors may promote better behavioral health factors for African American adolescents. 相似文献
20.