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Epidemiological evidence suggests that regular physical activity (PA) positively impacts individuals' mental health (MH). The PA-MH relationship may be critical among immigrants owing to psycho-social-cultural influences. This scoping review of 61 studies employed a holistic bio-psycho-socio-cultural framework to thoroughly investigate the complex relationship between PA (across life domains) and immigrants' MH in Western countries. A systematic search of five electronic databases (Medline, PubMed, Embase, PsycINFO and Anthropology Plus) was conducted to locate relevant articles. No limitations were applied to study design, age, gender, home country, MH condition or PA type. A bio-psycho-socio-cultural-informed conceptual model guided the analysis of the multi-domain PA-MH relationship. Immigrant PA-MH studies were conducted and reported most commonly in the USA (38%), Australia (18%), and Canada (11%). Overall, PA was positively related to MH. Each domain-specific PA appeared to be associated with unique MH-promoting pathways/mechanisms. Leisure-related PA may support MH by enhancing self-agency and minimizing risky behaviors, whilst travel- and domestic-related PA may promote self-accomplishment and physical engagement. Ethnic sports appeared to enhance resilience. Occupational-related PA was associated with either positive or negative MH, depending on the type of occupation. A bio-psycho-socio-cultural-informed model is required to gain an encompassing and integrated understanding of immigrants' health. The first iteration of such a model is presented here, along with an illustration of how the model may be used to deepen analysis and understanding of the multi-domain PA-MH relationship among immigrants and inform public health planners and practitioners. [ABSTRACT FROM AUTHOR]

A simple theoretical model of monetary unification and data from 11 euro members are used to investigate the common currency's role in the macroeconomic performance of these countries. Euro membership has been typically accompanied by lower (or steady) inflation, but also by higher business-cycle volatility. In addition, synchronization of cyclical output was substantially affected by the common currency only in Greece (where it declined considerably) and Finland and Ireland (where it increased). Consistent with the theoretical predictions, the empirical evidence shows a strong negative relationship between cyclical synchronizations and volatilities, which however is not much stronger under the euro than it was during the Maastricht period. [ABSTRACT FROM AUTHOR]

Personal exposure to environmental substances is largely determined by time–microenvironment–activity patterns while moving across locations or microenvironments. Therefore, time–microenvironment–activity data are particularly useful in modeling exposure. We investigated determinants of workday time–microenvironment–activity patterns of the adult urban population in seven European cities. The EXPOLIS study assessed workday time–microenvironment–activity patterns among a total of 1427 subjects (age 19–60 years) in Helsinki (Finland), Athens (Greece), Basel (Switzerland), Grenoble (France), Milan (Italy), Prague (Czech Republic), and Oxford (UK). Subjects completed time–microenvironment–activity diaries during two working days. We present time spent indoors — at home, at work, and elsewhere, and time exposed to tobacco smoke indoors for all cities. The contribution of sociodemographic factors has been assessed using regression models. More than 90% of the variance in indoor time–microenvironment–activity patterns originated from differences between and within subjects rather than between cities. The most common factors that were associated with indoor time–microenvironment–activity patterns, with similar contributions in all cities, were the specific work status, employment status, whether the participants were living alone, and whether the participants had children at home. Gender and season were associated with indoor time–microenvironment–activity patterns as well but the effects were rather heterogeneous across the seven cities. Exposure to second-hand tobacco smoke differed substantially across these cities. The heterogeneity of these factors across cities may reflect city-specific characteristics but selection biases in the sampled local populations may also explain part of the findings. Determinants of time–microenvironment–activity patterns need to be taken into account in exposure assessment, epidemiological analyses, exposure simulations, as well as in the development of preventive strategies that focus on time–microenvironment–activity patterns that ultimately determine exposures.Journal of Exposure Science and Environmental Epidemiology (2007) 17, 170–181. doi:10.1038/sj.jes.7500490; published online 17 May 2006 [ABSTRACT FROM AUTHOR]