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Perceived racial discrimination (PRD) has been implicated in undermining the mental and physical health of racial/ethnic minorities (e.g., Williams et al. in Am J Public Health 93:200–208, 2003; Wong et al. in J Pers 71:1197–1232, 2003). Researchers have begun to explore the indirect role of health behaviors as one factor in helping to explain this relationship. The goal of the present study was to examine the relationship between PRD and a wide range of health behaviors using a prospective, longitudinal design and to explore the role of gender in moderating these relationships. Using data from the Maryland Adolescent Development in Context Study, we examined the relationship between adolescent PRD (accumulated across ages 14–21) and health behaviors (i.e., diet, substance use, exercise) at age 30 in a sample of middle-class black men and women. Using structural equation modeling, results revealed that more cumulative PRD during adolescence was associated with less healthy eating, more substance use (among men), and more exercise (among women) in young adulthood. Implications of these findings for understanding the role of health behaviors in explaining the link between PRD and health outcomes are considered.  相似文献   
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ABSTRACT

Objective and Participants: Using data from 69,722 US undergraduates participating in the spring 2015 National College Health Assessment, we examine racial/ethnic differences in students’ experience of discrimination. Method: Logistic regression predicted the experience of discrimination and its reported negative effect on academics. Additional models examined the effect of attending a Minority Serving Institution (MSI). Results: Discrimination was experienced by 5–15% of students, with all racial/ethnic minority groups examined- including Black, Hispanic, Asian, AI/NA/NA, and Multiracial students- more likely to report discrimination relative to White students. Of students who experienced discrimination, 15–25% reported it had negatively impacted their academic performance, with Hispanic and Asian students more likely to report negative impacts relative to White students. Attending an MSI was associated with decreased experiences of discrimination. Conclusion: Students from racial/ethnic minority backgrounds are disproportionately affected by discrimination, with negative impacts for academic performance that are particularly marked for Hispanic and Asian students.  相似文献   
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This preliminary study examined the similarities and differences between online and face-to-face counseling with regard to general mental health, working alliance, and social presence. Participants included 50 current counseling clients (37 face-to-face, 13 online) who all were recruited through online mediums. Results indicated that online counseling clients perceived a significantly stronger working alliance on the total Working Alliance Inventory-Short Form as well as the Goal subscale than did those who received face-to-face only counseling. No significant differences existed between the groups on general mental health or social presence. These results suggest that a more controlled study with a larger sample might find that a strong working alliance can be developed through online counseling.  相似文献   
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Recent surveys have found antigay attitudes and behavior to be commonplace. In this article, we use contact theory to explain these prejudicial attitudes. We contribute to the literature on contact and prejudice by expanding contact to include not only whether the heterosexual knows any gay men or lesbians, but also how many, for how long, and in what ways. To these, we add a new and unique measure of contact: a person's contact with the gay community. The data are from a survey of 956 undergraduate students at a large urban university in the southeastern United States. Ordinary least squares (OLS) regression analyses find that contact with gay men and lesbians significantly reduces prejudice toward them; although, only as contact with gay friends or the gay community. Contact has stronger effects on women's prejudice than men's prejudice; however, the attitudes of African Americans toward lesbians and gay men are unaffected by gay contact. The results suggest that contact intervenes between prejudice and sex, race, religiosity, and gender attitudes.  相似文献   
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In what percentage of married couples do wives outearn their husbands, and, moreover, how persistent are these patterns? This study systematically examined variation in point-in-time estimates across alternative measures of earnings, definitions of types of couples, and data sources and gauged the persistence of these patterns for a period of three calendar years using data from the 2000 Current Population Survey and the 1996–2000 Survey of Income and Program Participation. Among the findings are that in 19% to 30% of all married couples, wives have higher earnings than their husbands. In 60% of such couples, this arrangement persists over the three-year period; for the rest, this arrangement is transitory.  相似文献   
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Using a multi-level discrete time hazard model, this study examines whether county level social structural characteristics affect the rate of family reunification, after adjusting for child attributes. Children who were placed in foster care for the first time during 2004 from 945 counties in 17 states are included. The county level characteristic examined included urbanicity, racial composition, percentage of female-headed households, proportion of households in poverty and foster care placement rate. The results show that with the exception of poverty, the other contextual variables affect family reunification, although the effects are most pronounced within the first six months of foster care placement.  相似文献   
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Traffic flow data are routinely collected for many networks worldwide. These invariably large data sets can be used as part of a traffic management system, for which good traffic flow forecasting models are crucial. The linear multiregression dynamic model (LMDM) has been shown to be promising for forecasting flows, accommodating multivariate flow time series, while being a computationally simple model to use. While statistical flow forecasting models usually base their forecasts on flow data alone, data for other traffic variables are also routinely collected. This paper shows how cubic splines can be used to incorporate extra variables into the LMDM in order to enhance flow forecasts. Cubic splines are also introduced into the LMDM to parsimoniously accommodate the daily cycle exhibited by traffic flows. The proposed methodology allows the LMDM to provide more accurate forecasts when forecasting flows in a real high‐dimensional traffic data set. The resulting extended LMDM can deal with some important traffic modelling issues not usually considered in flow forecasting models. Additionally, the model can be implemented in a real‐time environment, a crucial requirement for traffic management systems designed to support decisions and actions to alleviate congestion and keep traffic flowing.  相似文献   
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ABSTRACT

Indigenous research Knowledges and methodologies have existed over millennia, however it is only recently that Indigenous scholars have been able to challenge institutional Western hegemony to reclaim sovereignty in the research space. Despite the high volume of quantitative research describing Aboriginal and Torres Strait Islander health, there has been limited evaluation of the value added through incorporation of Indigenous Knowledges and methodologies. ‘Research at the interface’ has been discussed as an Indigenous research methodology for researchers to contextualise and inform their research practices, between Indigenous and Western systems of knowledge. In this article we address the significance of ‘research at the interface’ for Aboriginal and Torres Strait Islander research, as an exciting opportunity for innovation to ensure strength, self-determination and resilience for Aboriginal and Torres Strait Islander communities engaged in research. We also introduce weaving a methodology for ‘research at the interface’ as a process for conceptualising Indigenous and quantitative research methodologies at the interface.  相似文献   
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