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排序方式: 共有209条查询结果,搜索用时 15 毫秒
1.
European Journal of Population - Late-life depression is a condition that affects an ever-growing share of the population in ageing societies. While depression prevalence varies across countries... 相似文献
2.
Nicolas Roinsard 《Sociologie du Travail》2006,48(2):159
Against a background of mass unemployment and the increasing precariousness of employment, the current changes in the labour market demand that we examine the previously central role of paid employment in social integration. If the individual now deprived of employment or having a temporary contract is by dint of this fact less included in society or is less secure by not having a permanent salary, is it to say that he embodies the face of the de-affiliated, of those who miss out on social benefits? Taking the example of the Reunion Island which has the highest level of unemployment and population covered by the minimum income (RMI: Revenu Minimum d'Insertion) in the country, this article endeavours to explain and understand how, in the context of a protective society and increasingly flexible employment market, new methods of social integration without and resulting from paid employment are being formed. 相似文献
3.
Burge E Kuhne N Berchtold A Maupetit C von Gunten A 《European review of aging and physical activity》2012,9(1):27-39
The objectives of this study were to describe the different modalities of physical activity programs designed for moderate
to severe dementia and to identify their impact on functional independence in activities of daily living (ADL). A critical
review of randomized controlled trials related to the impact of physical activity programs in moderately to severely demented
persons on ADL performance and meta-analysis of the identified studies were performed. Among the 303 identified articles,
five responded to the selection criteria. Four out of the five studies demonstrated limited methodological quality. In one
high-quality study, physical activity programs significantly delayed deterioration of ADL performance. The program components
and ADL assessment tools vary widely across studies. Although the proposed treatments have not proven their efficiency in
improving the ADL status of the patients, they were able to limit the decline in ADL functioning. Future research is warranted
in order to identify clinically relevant modalities for physical activity programs for people with moderate to severe dementia. 相似文献
4.
Edo Anthony Jacquemet Nicolas Yannelis Constantine 《Review of Economics of the Household》2019,17(1):349-376
Review of Economics of the Household - This paper investigates the importance of ethnic homophily in the hiring discrimination process. Our evidence comes from a correspondence test performed in... 相似文献
5.
The proliferation of internships and the rise of professionalisation in higher education are, in France, frequently condemned as evidence of a quest for greater employability, driven by a skills-based approach. A comparative analysis of the methods used to prepare students for employment shows the degree to which the social mechanisms are homogeneous in England (employability) and in Sweden (bildning). In France, the transition from higher education to employment entails a process of pre-professionalisation. This is characterised by the dominant role of professional skills and their incorporation into the structure of initial education itself. Rather than the outcome of a process of commodification, this mechanism of pre-professionalisation is explained by the persistence of an idealized conception of “matching” that still profoundly marks the relations between education and employment in France. 相似文献
6.
Natacha Chetcuti Nathalie Beltzer Nicolas Methy Caroline Laborde Annie Velter 《Journal of sex research》2013,50(6):587-597
Although studies show that women who have sex with women (WSW) have poorer sexual health and more limited access to health care for gynecological problems than other women, the social processes giving rise to such health differences have not, so far, been explored. These processes may be formed in response to a dominant social norm, which assigns women to a heterosexual and monogamous sexuality. Based on data from a national random survey of sexuality (N = 6,824), enriched by qualitative interviews with WSW (n = 40), this analysis shows that bisexually active women had similar socio-demographic profiles to heterosexually active women, whereas homosexually active women appeared to be more highly educated than other women and less likely to live as couples than bisexually active women. Bisexually active women had more diversified sexual trajectories and sexual networks than other women. Chlamydia prevalence was found to be higher among bisexually active women, and homosexually active women reported fewer medical consultations for gynecological reasons. These analyses highlight the need to deconstruct the binary classification of homosexual versus heterosexual women. Because of constraint by the monogamous heterosexual norm, bisexually active women were less likely to be tested for sexually transmitted infections, and homosexually active women were less likely to have had gynecological follow-ups. 相似文献
7.
Binod Khadria Narender Thakur Imelda Nicolas Takgon Lee Jigmin Yang Ychen Jang 《International migration (Geneva, Switzerland)》2019,57(6):286-302
This article focuses on the Global Compact for Safe, Orderly and Regular Migration (GCM), a landmark international document that builds on the momentum of a decade of initiatives at the international level on migration governance, and its impact on Asia from the perspective of South Asia, Southeast Asia, China, and South Korea. While none of these countries voted against the adoption of the GCM, there are significant differences in how individual countries approached the commitments made in the GCM. These perspectives were articulated in a webinar hosted by Metropolis Asia on 20 June 2018 and in governmental statements made at the UN international conference when the GCM was adopted. This article also discusses the challenges confronting the implementation of the GCM. While the Compact resulted from inclusive and intensive negotiations and many compromises, the road towards realizing its goals will be at least as challenging as the road that led to its adoption. In spite of these challenges, the GCM is a ground‐breaking representation of the first multilateral framework for migration governance. Its success rests upon the recognition that addressing the challenges and maximizing the benefits of migration require true international cooperation, renewed commitment and meaningful action on the commitments agreed to. 相似文献
8.
Tree representations of (sets of) symmetric binary relations, or equivalently edge-colored undirected graphs, are of central interest, e.g. in phylogenomics. In this context symbolic ultrametrics play a crucial role. Symbolic ultrametrics define an edge-colored complete graph that allows to represent the topology of this graph as a vertex-colored tree. Here, we are interested in the structure and the complexity of certain combinatorial problems resulting from considerations based on symbolic ultrametrics, and on algorithms to solve them.This includes, the characterization of symbolic ultrametrics that additionally distinguishes between edges and non-edges of arbitrary edge-colored graphs G and thus, yielding a tree representation of G, by means of so-called cographs. Moreover, we address the problem of finding “closest” symbolic ultrametrics and show the NP-completeness of the three problems: symbolic ultrametric editing, completion and deletion. Finally, as not all graphs are cographs, and hence, do not have a tree representation, we ask, furthermore, what is the minimum number of cotrees needed to represent the topology of an arbitrary non-cograph G. This is equivalent to find an optimal cograph edge k-decomposition \(\{E_1,\dots ,E_k\}\) of E so that each subgraph \((V,E_i)\) of G is a cograph. We investigate this problem in full detail, resulting in several new open problems, and NP-hardness results.For all optimization problems proven to be NP-hard we will provide integer linear program formulations to solve them. 相似文献
9.
Approximate Bayesian inference for latent Gaussian models by using integrated nested Laplace approximations 总被引:7,自引:0,他引:7
Håvard Rue Sara Martino Nicolas Chopin 《Journal of the Royal Statistical Society. Series B, Statistical methodology》2009,71(2):319-392
Summary. Structured additive regression models are perhaps the most commonly used class of models in statistical applications. It includes, among others, (generalized) linear models, (generalized) additive models, smoothing spline models, state space models, semiparametric regression, spatial and spatiotemporal models, log-Gaussian Cox processes and geostatistical and geoadditive models. We consider approximate Bayesian inference in a popular subset of structured additive regression models, latent Gaussian models , where the latent field is Gaussian, controlled by a few hyperparameters and with non-Gaussian response variables. The posterior marginals are not available in closed form owing to the non-Gaussian response variables. For such models, Markov chain Monte Carlo methods can be implemented, but they are not without problems, in terms of both convergence and computational time. In some practical applications, the extent of these problems is such that Markov chain Monte Carlo sampling is simply not an appropriate tool for routine analysis. We show that, by using an integrated nested Laplace approximation and its simplified version, we can directly compute very accurate approximations to the posterior marginals. The main benefit of these approximations is computational: where Markov chain Monte Carlo algorithms need hours or days to run, our approximations provide more precise estimates in seconds or minutes. Another advantage with our approach is its generality, which makes it possible to perform Bayesian analysis in an automatic, streamlined way, and to compute model comparison criteria and various predictive measures so that models can be compared and the model under study can be challenged. 相似文献
10.
The positive association between moderate alcohol consumption and wages is well documented in the economic literature. Positive
health effects as well as networking mechanisms serve as explanations for the “alcohol–income puzzle.” Using individual-based
microdata from the SOEP for 2006, we confirm that this relationship exists for Germany as well. More importantly, we shed
light on the alcohol–income puzzle by analyzing, for the first time, the association between beverage-specific drinking behavior
and wages. In our analysis, we disentangle the general wage effect of drinking into diverse effects for different types of
drinkers. Mincerian estimates reveal significant and positive relationships between wine drinkers and wages as well as between
multiple beverage drinkers and wages. When splitting the sample into age groups, the “drinking gain” disappears for employees
under the age of 35 and increases in size and significance for higher age groups. We also find a “beer gain” for the oldest
age group and male residents of rural areas as well as a “cocktail gain” for residents of urban areas. Several explanations
for our empirical results are discussed in view of the likelihood that the alcohol–income puzzle is a multicausal phenomenon.
相似文献
Markus M. GrabkaEmail: |