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AIMS: To characterize changes in patterns of adolescent substance use in Sweden between 1988 and 2011, and to assess whether sex and psychosomatic problems were associated with substance use and whether these associations changed over time.DESIGN: Secondary analysis of repeated cross-sectional survey data. Survey data were collected eight times and analyzed as four cohorts (1988-91, 1995-98, 2002-

BACKGROUND: Internalizing problems have increased among Swedish adolescents. We examined whether classroom disorder was associated with internalizing problems and whether it explained the trends in internalizing problems. Furthermore, we examined whether school contextual factors were associated with internalizing problems and whether they moderated the association between classroom disorder and i

We compared the mental health of native and immigrant adolescents in Sweden from 1995 to 2011 and examined whether the municipality-level proportion of immigrant adolescents moderated the association between individual-level immigrant status and mental health. The sample (14,189 adolescents aged 15-16) was obtained from a repeated cross-sectional study conducted from 1995 to 2011. Adolescent self-

BACKGROUND: Alcohol use has decreased among Swedish adolescents in the past few decades. We examined peer and parent factors (i.e. time spent with peers, time spent with parents and parental monitoring) that could contribute to explaining this trend by investigating their main effects and interaction effects with investigation years on alcohol use. We furthermore examined whether municipality-leve

It has been commonly assumed that post-adolescent youth have fewer political discussions with parents than do adolescents, due to transitional events in young adulthood and the emergence of new age-appropriate socializing agents, like peers, colleagues, and romantic partners. We proposed a contrasting view that post-adolescent youth have more frequent political discussions with parents due to thei

Increasing inequality in many societies highlights the importance of paying attention to differences in mentalhealth between the economically disadvantaged adolescents and the non-disadvantaged adolescents. Also im-portant is to understand how changing inequality in society over time influences adolescents’mental health atthe population- and individual-level. The current study examined to what ext

How parents and adolescents perceive each other’s life values is a key to understanding successful value transmission. In the value socializations literature, it has been proposed that parents’ values become internalized when children correctly perceive their parents’ values and decide to adopt them as their own. In the current study, we propose that interpersonal value perception of broader life

The role played by the Internet in young people’s political lives has received great research attention. However, two gaps in the literature hinder the drawing of conclusions on how online political participation is related to its offline counterpart. First, although there are multiple hypotheses on the nature of the relationship, they have not been compared in any single study. Second, although t

Abstract This paper explores the relationship between social engagement and motivation to share knowledge in a hybrid college class using a web infused curriculum. Online social engagement, operationalized through concepts such as connectivity, social presence and social space has been an important topic of research in web based education for more than a decade. An important sub-text of this resea

This paper developed a Democratic Classroom Survey to measure students' perceived democratic environment of the classroom. Perceived democratic environment is one of the most important variables for understanding classroom activity and indeed any type of group activity, but actually measuring perceptions in an objective manner has been problematic. We developed the survey items from both a strong

In this study, a linear discriminant analysis (LDA) - based nomenclature system have been used for the classification of groundwater samples in a coastal aquifer. The capability of three models (7 hlr, 7 M conc, and Greater molar conc) in determining the water types has been investigated. The results show that Ca-HCO3, Na-Cl, and Na-HCO3; and Ca-HCO3, Na-HCO3, and Na-Cl are the three dominant wate

Within China’s renewable energy industry, the importance of the solar photovoltaic industry has been increasingly recognized. Many Chinese provinces have adopted various measures to develop the solar photovoltaic industry. This study used the diamond model and the analytic hierarchy process to clarify the relative importance of the determinants of the development of the solar photovoltaic industry

Surgical treatment of Hirschsprung's disease commonly involves resection of the aganglionic segment of the colon and endorectal pull-through. Postoperative complications include anastomotic leakage and/or stricture, both believed to be caused by inadequate perfusion of the mobilized bowel or high tension in the anastomosis, but this has never been investigated. In this case, laser speckle contrast

As antiretroviral therapies have transformed HIV into a manageable chronic disease, many individuals have or will choose to have children, and the use of assisted reproductive technology can serve as an effective risk-reducing strategy. In this thematic literature review, we examine the state of research on access to and availability of assisted reproductive health technologies for people living w

Much has been written about how Christianity is used, instrumentalised or even hijacked by various right-wing populist movements in contemporary Europe. This is true in a certain way. At the same time it can be argued that there are many figures of thought within Christian theology that easily go together with populist discourses. This has three consequences, or so it is argued in this article. Fi