The prevalence and incidence of HIV among injection drug users: A five year panel study

Six hundred and one injection drug users (IDUs) who attended drug treatment programs in Miami, Florida, were enrolled in a panel study to determine the prevalence and incidence of human immunodeficiency virus (HIV) and associated risk factors. A structured questionnaire which elicited injection and sexual behaviors was administered and blood was obtained by venipduncture. All participants were reassessed at six month intervals for 5 years. The baseline prevalence of HIV was 16.3%. African–Americans had a prevalence of HIV (37.1%) that was significantly higher than that of non-Hispanic whites (7.6%); the prevalence of HIV among Hispanics was 27.2%. Persons who were more than thirty years of age were more likely to test HIV positive (17.8%) than were younger participants (9.7%). The annual incidence per 1000 person-years of exposure for the 503 initially seronegative participants was consistently low for each year of the study. The 5 year incidence was 4.1 per 1000 person years; 7.5 for men and 1.7 for women, 7.5 for African–Americans and 3.8 for non-Hispanic whites. No Hispanic participants seroconverted. Multivariate logistic techniques were used to identify the independent risk factors for HIV prevalence. Earlier injection, ethnicity, and income were independently associated with HIV serostatus. A history of a sexually transmitted disease was marginally associated with HIV prevalence. Low incidence probably is a function of the reduction of risk behavior that occurred over the course of the study and the stage of the epidemic.     

思维方式与口语表达质量

口语表达质量的高低在很大的程度上取决于思维方式的运用是否得当。发散式思维方式和逆向式思维方式有助于拓展思维空间 ,提高思维质量。但是 ,我们也应看到 ,这两种思维方式在其实际使用过程中 ,必须遵循一定的原则 :发散式思维在强调思维的灵活性的同时 ,应明确其指向性 ;逆向式思维在强调思维的批判性的同时 ,应注重其建设性     

The state of domestic affairs: Housework,gender and state-level institutional logics

Multi-level cross-national research consistently shows individual housework arrangements are structured by broader contexts of equality. Across this body of research, the United States is treated as a single entity. Yet, individual-level housework time may vary by state-to-state differences in institutional market, family and legislative logics. To test these relationships, we pair individual-level data from the American Time Use Survey (2003–2012; aged 18 to 64 n = 106,190) with three state-level indices – female labor force empowerment, family traditionalism and state government liberalism. For market institutional logics, we find wives and husbands spend more but mothers less time in housework in states where women have more labor market power. For family logics, we find mothers spend more and husbands less time in housework in more traditional states. For legislative logics, we find women and husbands spend more time in housework in more liberal states. Our results highlight the importance of state-to-state institutional logics on individuals' housework time.     

Inequality in mobilizing online help after a negative life event: the role of education,digital skills,and capital-enhancing Internet use

Many studies have investigated inequalities in coping with stressful life events and often education is found to play a role in this (the higher educated are usually more successful in dealing with their problems in terms of well-being consequences). We examine whether something similar occurs on the Internet, whether the higher educated are more successful in mobilizing help online, and whether this is related to their digital skills and the way in which they use the Internet. With the latter, we link online coping to digital inequality research. Researchers have investigated digital inequalities with regard to skills and types of Internet use. However, we know little about the extent to which these factors translate into inequalities in resources mobilized from the Internet. This latter type of inequality is highly relevant, since it is an intermediary step between Internet use and (improved) well-being and life chances. Using a large sample of individuals living in the Netherlands, we find educational differences in the mobilization of online problem-focused coping resources, but no differences with regard to online socioemotional or disengagement coping resources. The educational inequalities in online coping are somewhat smaller than educational inequalities in offline coping, leading to remarkable consequences for social policy. Furthermore, we find a relatively complex pattern of interrelations between offline inequality (education) and different types of digital inequality (skills, usage, resources). In our conclusions we make a plea for more research on outcomes of Internet use and we discuss the implications of our findings for further research.     

Repeated entries to the Swedish addiction compulsory care system: A national register database study

This study identified and described specific client groups who have repeated entries to the Swedish addiction compulsory care system. Specifically, through the use of baseline data from the Swedish government Staten's Institutions Styrelse (SiS) database, for 2658 individuals who were assessed at their compulsory care intake interview by social workers in the national social welfare system between 2001 and 2009 the study identified the associations between specific predisposing, enabling and need characteristics and repeated addiction compulsory care entries. The logistic regression model identified that individuals whose children have been mandated to the child welfare system, who have experienced prior compulsory care including compulsory treatment through LVU (law (1990:52) with specific provision about care of young people under 18), and those who have been in prison are more likely to have two or more entries in the addiction compulsory care system compared to their counterparts. Individuals who have been mandated to compulsory care for their substance use disorder two or more times have significant multiple complex problems and repeated experiences of institutionalization. These individuals are a group in need of a well-coordinated and integrated system of aftercare services to reduce the likelihood of re-entry into addiction compulsory care.     

Can a workbook work? Examining whether a practitioner evaluation toolkit can promote instrumental use

In large-scale, multi-site contexts, developing and disseminating practitioner-oriented evaluation toolkits are an increasingly common strategy for building evaluation capacity. Toolkits explain the evaluation process, present evaluation design choices, and offer step-by-step guidance to practitioners. To date, there has been limited research on whether such resources truly foster the successful design, implementation, and use of evaluation findings. In this paper, we describe a multi-site project in which we developed a practitioner evaluation toolkit and then studied the extent to which the toolkit and accompanying technical assistance was effective in promoting successful completion of local-level evaluations and fostering instrumental use of the findings (i.e., whether programs directly used their findings to improve practice, see Patton, 2008). Forensic nurse practitioners from six geographically dispersed service programs completed methodologically rigorous evaluations; furthermore, all six programs used the findings to create programmatic and community-level changes to improve local practice. Implications for evaluation capacity building are discussed.     

Does It Matter What Mama Says: Evaluating the Role of Parental Mediation in European Adolescents’ Excessive Internet Use

This study investigated the relationship between adolescents’ excessive Internet use (EIU) and parental mediation. A random stratified sample of 11‐ to 16‐year olds (N = 18 709) and their parents from 25 European countries (EU Kids Online II project) was analysed to explore to what extent different types of parental mediation and other factors predict EIU. Active parental involvement in the child's Internet use (when the child had experienced online harm) and restrictive mediation were associated with lower EIU. Harmful online experiences, time spent online, scope of online activities and adolescents’ age predicted higher EIU.     

日常用语的变化及其文化内涵

日常用语是语言的重要组成部分。随着社会的发展 ,日常用语也在不断地发展变化。日常用语的变化既反映了我们这个民族和睦相处、互相关心的传统文化 ,也反映了我们这个民族的发展与进步     

宅基地问题的法律分析

宅基地因为无法流转造成了其上房产流转的困难,我国物权法对于宅基地的规定并未有所突破,但确定了宅基地使用权的物权效力。宅基地使用权作为物权,它的创设是如何的,它进行流转、、赠与等财产性的处分是否应当得到法律承认,宅基地的法律定性又是如何?本文对此问题作一个探析。     

Downsizing and alcohol use: A cross-lagged longitudinal examination of the spillover hypothesis

An area of concern for investigators and practitioners is the possible linkage between stressful workplace events and alcohol use and abuse; however, work in this area, specifically testing a “spillover hypothesis,” offers inconclusive evidence of a relationship between many work-based stressors and alcohol use. Using a three-wave panel sample (N=455) from a large US industrial firm that has undergone numerous downsizing events in the last decade, four alternative causal hypotheses using fully cross-lagged three-wave mediational latent factor models were compared via structural equation modelling. Separate models were analysed for layoff experience and job security perceptions; a motivational factor, escape reasons for drinking, was included in each model. We found large autoregressive effects for problem alcohol use in the stability models. One reason for weak support for spillover models may be that problem alcohol use is more stable over time than previously theorized. All alternative causal models fit the data well; however, the only model comparisons showing significant improvement over the stability models were those including reverse paths. Reverse causal models should be explicitly considered when examining the link between alcohol problems and the workplace. We suggest that, for some workers, problematic alcohol use may be antecedent to, rather than a consequence of, stressful workplace experiences.