Early Intervention with Compensated Lower Back-Injured Workers at Risk for Work Disability: Fixed versus Flexible Approach

Low back pain (LBP), a leading cause of disability, has been linked with profound economic, personal, and social costs (Hills 2006; World Health Organization 2003). This significant effect propels research in identifying modifiable risk factors that protract LBP; these factors can be targeted in early intervention (EI) (Pransky, Journal of Occupational & Environmental Medicine, 49(3):249–251, 2007; Schultz et al., Journal of Occupational Rehabilitation, 17:327–352, 2007, Journal of Occupational Rehabilitation, 18(2), 140–151, 2008; White et al. 2013). This randomized controlled study evaluated the effectiveness of two approaches, fixed versus flexible, in delivering proactive, interdisciplinary EI with 63 workers within a workers' compensation interdisciplinary case management setting (i.e., WorkSafeBC, Canada). Off-work 4 to 10 weeks post-back injury, the workers were also at risk of protracted work disability (N?=?24 at high risk; N?=?39 at moderate risk). Fixed, protocol-driven, interdisciplinary, multimodal, clinical, occupational, and case management-based EI was compared with a flexible, individual need-driven EI with the same modalities as the fixed approach. Results showed a significant narrowing of the outcome gap between the two interventions. High-risk injured workers tended to benefit more from a fixed, protocol-driven approach, as shown in the pilot study (Schultz et al. Journal of Occupational Rehabilitation, 18(2), 140–151, 2008). The results indicated that moderate-risk workers benefitted from a more flexible, need-based, individual, and low-intensity approach as compared with a fixed approach. The flexible approach for moderate-risk workers was also less costly and consumed fewer rehabilitation and health care resources. Recommendations for future research and practice included larger sample sizes, controllability of research interventions, risk for disability-EI matching, and conditions under which a flexible delivery of multimodal EI is more efficacious than a fixed approach, and vice versa.     

The housing and neighborhood conditions of America's children: patterns and trends over four decades

This paper uses national and metropolitan area data from American Housing Surveys over four decades to examine the patterns and trends in the housing and neighborhood circumstances of children. Children across the income distribution have experienced dramatic improvements in the physical adequacy of their dwellings and in crowding but significant deterioration in housing affordability. Poor children are often in greatest jeopardy, with the rate of complaints about crime 25 percent higher in 2005 than in 1975, and the rate of school complaints twice as high in 2005 than 1975. Poor children also experience little payoff from residential mobility in terms of physical dwelling adequacy, crowding, affordability, or adequacy of schools, though moves are associated with fewer complaints about crime. However, it is the near poor – those between 101–200 percent of poverty – and not the poor who appear to be most affected by the tightness or looseness of the housing market.     

A Networked Space of Meaning? Spatial Politics as Geostrategies of European Integration

The European Union is an example of regionalisation characterised not only by economic integration, but also by a 'spatial politics' aimed at instilling a sense of European identity and citizenship. Spatial politics are discussed here in terms of governance, regional policies and the production of geographical knowledge that reinforce the notion of a diverse but interdependent European space and, hence, political community. The paper examines recent planning concepts and regional development initiatives and their socio-political qualities and, in particular, their contested nature. Critical questions are raised, for example, regarding European spatial planning, its openness to different spatial development options and its apparent domination by 'core' Europe. The author suggests that European spatial politics can potentially contribute to a more cohesive political community, but that this is contingent upon the translation of symbolism into concrete incentives and opportunity structures that promote wider Europeanisation. This also requires forceful institutions, integrating symbolism and clear and effective forms of governance that allow regional diversity to find appropriate political expression.     

GPS vs Galileo: Balancing for Position in Space

ABSTRACT

This study comprises an investigation of Europe's motives to develop the independent satellite navigation system known as Galileo, despite the existence of America's successful – and freely available – Global Positioning System (GPS). The study begins with an analysis of both systems to familiarize the reader with global navigation satellite systems (GNSS), to provide an understanding of the strengths and weaknesses of GPS and Galileo, and to highlight the systems' similarities and differences. Although the two systems have different founding principles, they employ similar infrastructures and operational concepts. In the short term, however, Galileo will provide better accuracy for civilian users, at least until GPS upgrades take effect. But performance is only part of the rationale. The author contends that Europe's pursuit of Galileo represents a desire for enhanced performance and independence, as well as an economic incentive. With Galileo, Europe hopes to achieve political, security and technological independence from the United States. Additionally, Europe envisions overcoming the US monopoly on GNSS by seizing a sizable share of the expanding GNSS market and setting a new world standard for satellite navigation. Finally, the author explores Galileo's impact on the United States and reviews US policy towards Galileo. The article concludes with recommendations to strengthen the competitiveness of GPS.     

Nationalisme,décolonisation et consociation à l'île Maurice: l'émergence d'un Mauricianisme stratégique (1945–1967)

The decolonization period in Mauritius (1947–1968) gave rise to intense debates around the project of a Mauritian nation, named “Mauritianism”. This paper aims to analyse the reasons why Mauritianism remained an ambiguous concept. This “strategic Mauritianism” was framed within the consociational negociations held during that period, between the former dominant minority of the Franco-Mauritians, who championed an assimilationist form of nation, and the emerging dominant majority, the Hindus, who favoured an ethnicized “revivalist” conception of the nation.     

The Feminisation of Agriculture with Chinese Characteristics

The objectives of this article are to assess whether or not the feminisation of agriculture is occurring in China, and if so, to measure its impact on productivity. To meet these objectives, we rely on three data sets that allow us to explore who works on China's farms and the effects of the labour allocation decisions of rural households on productivity. We find that since the late 1990s, the role of women has increased in both the supply of farm labour and in the duties that they take on in the management of farms. While this expansion is important, we further demonstrate that when women do a majority of farm work or manage the farm, their farms are equally efficient as farms managed by men.     

Visiting Marriages and Remote Parenting: Changing Strategies of Rural–Urban Migrants to Hanoi,Vietnam

Despite the ongoing centrality of marriage and reproduction in Vietnam, family and spousal separation is an increasing reality for many poor rural–urban migrants. We offer a social relational analysis of reproduction to explore how migrant men and women in their peak child-bearing and child-rearing years negotiate conjugal strategies and expectations. Labour migration for these poor men and women involves high costs for family relations, social identities and emotional experiences which are strongly patterned by gender. This social relational analysis of reproduction deepens analyses of changing marriage relations and studies of internal labour migration.     

Establishing Correspondence in Wood: The Challenge and Some Solutions?

Establishing correspondence between the upper portion of a white birch sapling, a suspected weapon, and a potential source from a stand of trees was posed to one of us (GMC). A bending force shattered the sapling, precluding physical matching. Three white birch saplings were taken from the same stand of trees in a similar manner. Correspondence was achieved by measuring the width of the annual rings along four radii from a disk cut above and below the break. The regression coefficient of the data from the two disks from the same sapling was r² = 0.95. Regressing the upper disk against the lower disk of two other saplings resulted in r² values of 0.26 and 0.17, respectively. The various characteristics that are confined to a wood stem as part of its normal process of growth can be used to eliminate candidate saplings and establish correspondence between two pieces of wood.     

The genetic and environmental overlap between aggressive and non-aggressive antisocial behavior in children and adolescents using the self-report delinquency interview (SR-DI)

Purpose

This study investigated genetic and environmental commonalities and differences between aggressive and non-aggressive antisocial behavior (ASB) in male and female child and adolescent twins, based on a newly developed self-report questionnaire with good reliability and external validity -- the Self-Report Delinquency Interview (SR-DI).

Methods

Subjects were 780 pairs of twins assessed through laboratory interviews at three time points in a longitudinal study, during which the twins were: (1) ages 9-10 years; (2) age 11-13 years, and (3) age 16-18 years.

Results

Sex differences were repeatedly observed for mean levels of ASB. In addition, diverse change patterns of genetic and environmental emerged, as a function of sex and form of ASB, during the development from childhood to adolescence. Although there was some overlap in etiologies of aggressive and non-aggressive ASB, predominantly in shared environmental factors, their genetic overlap was moderate and the non-shared environmental overlap was low.

Conclusions

Taken together, these results reinforced the importance of differentiating forms of ASB and further investigating sex differences in future research. These results should be considered in future comparisons between youth self-report and parental or teacher report of child and adolescent behavior, and may help elucidate commonalities and differences among informants.