Comparing probability and non-probability sampling methods in ecstasy research : implications for the internet as a research tool

The usage of Ecstasy and related drug (ERD) has increasingly been the focus of epidemiological and other public health-related research. One of the more promising methods is the use of the Internet as a recruitment and survey tool.However, there remain methodological concerns and questions about representativeness. Three samples of ERD users in Melbourne, Australia surveyed in 2004 are compared in terms of a number of key demographic and drug use variables. The Internet, face-to-face, and probability
sampling methods appear to access similar but not identical groups of ERD users. Implications and limitations of the study are noted and future research is recommended.

Neighbourhood-socioeconomic variation in women's diet : the role of nutrition environments

Background/Objectives: Living in socioeconomically disadvantaged neighbourhoods is associated with increased risk of a poor diet; however, the mechanisms underlying associations are not well understood. This study investigated whether selected healthy and unhealthy dietary behaviours are patterned by neighbourhood-socioeconomic disadvantage, and if so, whether features of the neighbourhood–nutrition environment explain these associations.

Subjects/Methods: A survey was completed by 1399 women from 45 neighbourhoods of varying levels of socioeconomic disadvantage in Melbourne, Australia. Survey data on fruit, vegetable and fast-food consumption were linked with data on food store locations (supermarket, greengrocer and fast-food store density and proximity) and within-store factors (in-store data on price and availability for supermarkets and greengrocers) obtained through objective audits. Multilevel regression analyses were used to examine associations of neighbourhood disadvantage with fruit, vegetable and fast-food consumption, and to test whether nutrition environment factors mediated these associations.

Results: After controlling for individual-level demographic and socioeconomic factors, neighbourhood disadvantage was associated with less vegetable consumption and more fast-food consumption, but not with fruit consumption. Some nutrition environmental factors were associated with both neighbourhood disadvantage and with diet. Nutrition environmental features did not mediate neighbourhood-disadvantage variations in vegetable or fast-food consumption.

Conclusions: Although we found poorer diets among women living in disadvantaged neighbourhoods in Melbourne, the differences were not attributable to less supportive nutrition environments in these neighbourhoods.

Neonatal growth outcomes at birth and one month postpartum following in utero exposure to antidepressant medication

Objective: There is evidence of increasing prescription of antidepressant medication in pregnant women. This has arisen from the recognition of the importance of treating maternal depression. This must be balanced, however, with information on outcomes for infants and children exposed to antidepressants in pregnancy. The aim of the present study was to examine whether neonatal outcomes including gestational age at birth, neonatal growth outcomes at birth and then at 1 month postpartum were altered by in utero exposure to antidepressant medication using a prospective and controlled design.

Method: A prospective case–control study recruited 27 pregnant women taking antidepressant medication and 27 matched controls who were not taking antidepressant medication in pregnancy at an obstetric hospital in Melbourne, Australia. Of the 27 women taking medication, 25 remained on medication in the third trimester. A purpose-designed self-report questionnaire and the Beck Depression Inventory-II were completed in pregnancy, after birth and at one month postpartum. In addition information was collected on exposed and non-exposed infants including Apgar scores, birthweight/length/head circumference and gestational age at birth. Weight/length/head circumference was again collected at 1 month of age.

Results: Infants exposed to antidepressants in utero were eightfold more likely to be born at a premature gestational age, had significantly lower birthweight and were smaller in length and head circumference than non-exposed infants. There was no association between birth outcomes and maternal depression. At 1 month, the difference in weight in the exposed group became significantly greater than the control group.

Conclusion: Antidepressant exposure in utero may affect gestational age at birth and neonatal outcomes independently of antenatal maternal depression. Further studies are needed to examine whether these findings vary according to the type of antidepressant prescribed and follow up growth and development in exposed infants beyond 1 month.

Multiliteracies : resources for meaning-making in the secondary english classroom

This chapter draws on practitioner research with classes in a surburban secondary college in Melbourne, Australia to examine some of the complex interactions between school literacy practices and the literacy practices students engage in within school and outside of school. In particular, it focuses on student texts as instances of successful experiences of using multiliteracies for reading, writing and speaking in English classrooms.

Confronting 'choiceless choices' in Holocaust videotestimonies : judgement, 'privileged' Jews, and the role of the interviewer

'Privileged' Jews include those prisoners in the camps and ghettos who held positions which gave them access to material and other benefits. Subject to extreme levels of coercion, these victims were compelled to act in ways that have been judged as both self-serving and harmful to fellow inmates. Such situations, which exemplify what influential theorist Lawrence Langer terms 'choiceless choices', are the chief concern of Primo Levi's paradigmatic essay on the 'grey zone'. In light of these key conceptualizations of the ethical dilemmas of Holocaust victims, the paper analyses the representation of 'privileged' Jews in several videotestimonies recorded at the Jewish Holocaust Museum and Research Centre (JHMRC) in Melbourne, Australia. It will be shown that judgements of victims in extremis cause considerable problems for attempts to testify to the complex situations and experiences of 'privileged' Jews. The role of the interviewer is a crucial factor in this, particularly when interviewers are themselves Holocaust survivors. The paper reveals that while it might be argued that moral evaluations of 'privileged' Jews should be suspended, judgements are often imposed on Holocaust testimonies in various ways and have a significant impact on their content.

Trauma and holocaust video testimony : the intersection of history, memory, and judgment in the interview process

This article analyzes video testimonies recorded at the Jewish Holocaust Museum and Research Centre in Melbourne,Australia, which address the highly complex and sensitive issue of “privileged” Jews. The so-called privileged Jews include prisoners in the Nazi-operated camps and ghettos who held positions that gave them access to material and other benefits, while compelling them to act in ways that have been judged detrimental to fellow inmates. Although the issue of “privileged” Jews has been largely neglected, it relates to a crucial facet of the Holocaust and has vast implications for its aftermath. The ethical dilemmas facing these victims may be closely linked to what Lawrence Langer has termed choiceless choices, which challenge conventional notions of “judgment” and “responsibility.” This problem is also the primary subject of Auschwitz survivor Primo Levi’s essay titled “The Grey Zone,” which is arguably the most influential essay ever written on the Holocaust. Levi argues that one should abstain from judging individuals who confronted such extreme circumstances, positioning prisoners with “privileged” positions at the threshold of representation and understanding. However, moral evaluations of “privileged” Jews have a strong impact on Holocaust testimonies, whether these were constructed during the war or recorded long after the survivors’ experiences. The examples of video testimonies explored in this article reveal that this is particularly the case when interviewees are former “privileged” Jews and interviewers are themselves Holocaust survivors. The article argues that when confronted with such an emotionally and morally fraught issue, judgment may itself be seen as a “limit of representation.”

Investigating relationships of construction prices in Australia using cointegration analysis

Research on construction prices is significant for contractors and traders. A comprehensive understanding of construction prices may influence crucial decisions in business operation and arbitrage activities. This study focuses on the cointegration relationships of regional construction prices in Australia by using a range of econometric techniques including the stationarity test, the Engle-Granger cointegration approach examines the long run equilibrium relationships within the regional markets, and the error correction models explore the short run disequilibrium relationships. Finds of this study reveal that the economic system in which the construction industry participants operate is characterized by a highly competitive, integrated marketplace, Especially in Melbourne and Sydney. But exclude Northern Territory and Queensland. Furthermore, the results of long term relationships estimation suggest that there are 15 pairs of regional construction prices have long term equilibrium relationships. Additionally, the causalities and diffusion among the construction price indices in six states and two territories of Australia are estimated in this study. These outcomes suggest that causal links between regions mainly exist among adjoining states.

Mothers' AdvocateS In the Community (MOSAIC)- non-professional mentor support to reduce intimate partner violence and depression in mothers: a cluster randomised trial in primary care

Background : Effective interventions to increase safety and wellbeing of mothers experiencing intimate partner violence (IPV) are scarce. As much attention is focussed on professional intervention, this study aimed to determine the effectiveness of non-professional mentor support in reducing IPV and depression among pregnant and recent mothers experiencing, or at risk of IPV.

Methods : MOSAIC was a cluster randomised trial in 106 primary care (maternal and child health nurse and general practitioner) clinics in Melbourne, Australia. 63/106 clinics referred 215 eligible culturally and linguistically diverse women between January 2006 and December 2007. 167 in the intervention (I) arm, and 91 in the comparison (C) arm. 174 (80.9%) were recruited. 133 (76.4%) women (90 I and 43 C) completed follow-up at 12 months.

Intervention: 12 months of weekly home visiting from trained and supervised local mothers, (English & Vietnamese speaking) offering non-professional befriending, advocacy, parenting support and referrals.

Main outcome measures: Primary outcomes; IPV (Composite Abuse Scale CAS) and depression (Edinburgh Postnatal Depression Scale EPDS); secondary measures included wellbeing (SF-36), parenting stress (PSI-SF) and social support (MOS-SF) at baseline and follow-up.

Analysis: Intention-to-treat using multivariable logistic regression and propensity scoring.

Results : There was evidence of a true difference in mean abuse scores at follow-up in the intervention compared with the comparison arm (15.9 vs 21.8, AdjDiff -8.67, CI -16.2 to -1.15). There was weak evidence for other outcomes, but a trend was evident favouring the intervention: proportions of women with CAS scores ≥7, 51/88 (58.4%) vs 27/42 (64.3%) AdjOR 0.47, CI 0.21 to 1.05); depression (EPDS score ≥13) (19/85, 22% (I) vs 14/43, 33% (C); AdjOR 0.42, CI 0.17 to 1.06); physical wellbeing mean scores (PCS-SF36: AdjDiff 2.79; CI -0.40 to 5.99); mental wellbeing mean scores (MCS-SF36: AdjDiff 2.26; CI -1.48 to 6.00). There was no observed effect on parenting stress. 82% of women mentored would recommend mentors to friends in similar situations.

Conclusion : Non-professional mentor mother support appears promising for improving safety and enhancing physical and mental wellbeing among mothers experiencing intimate partner violence referred from primary care.

She would say that, he's from Melbourne : fun and games with Dame Edna and Barry Humphries

This article explores the role that urban place and specifically urban comparison play in the public performances of both the comedian Barry Humphries and the character Edna Everage. In developing Claire Colebrook's analysis of satire as a form of humour that is physically and historically located, we argue that the initial success of Humphries’ satire rests on his elaboration of a specific series of geo-social locations. The article then examines the ways in which Edna makes the local her own global, demonstrating how Barry Humphries has progressively modified and internationalised Edna's provincialism so that his satirical cultural project is understandable over five decades and beyond her origins in Melbourne.

Community, commitment, and the ten 'commandments' : singing in the coro furlan

Successful ageing involves maintaining well-being and actively engaging with life through the making and sustaining of relationships within community. Membership of community music groups by older people can enhance quality of life, give a sense of fulfillment, offer the possibility for personal growth and create a platform through which they share and celebrate cultural identity and diversity. This study explores community and cultural engagement by members of the Coro Furlan, an Italian male community choir in Melbourne, Australia. This case study is part of a current wider research project, Well-being and ageing: community, diversity and the arts in Victoria (Australia), begun in 2008, which explores how the arts foster well-being in ageing communities. In this case study, members of the Coro Furlan volunteered to participate in a focus group interview in 2009. The transcript was analysed using Interpretive Phenomenological Analysis which seeks to explore the lived world of participants. Analysis of the data identified three broad themes: a sense of community, the maintenance of cultural identity and sustaining a sense of well-being through shared music making. The findings demonstrate the strength of the bonds formed by choir membership with high levels of commitment reflected in their ten ‘Commandments’ that were first documented in Italian in the 1970s. The choir members consider themselves to be the custodians of Friulian choral music in Australia, as well as performers of music from Italy and other countries. Singing in this choir has offered the predominantly older members an opportunity to value, learn, and share music in formal and informal settings. This paper identifies how music engagement can facilitate successful ageing through commitment to community, singing and following the ten ‘Commandments’ of the Coro Furlan.

The impact of a parenting intervention in Australia among migrants and refugees from Liberia, Sierra Leone, Congo, and Burundi : results from the African migrant parenting program

African migrants and refugee families who resettle in high-income countries such as Australia face many challenges. Negotiating parenting in a new culture is one of the most pressing challenges that is faced by most African migrant and refugee parents. As a consequence of the new cultural environment reflecting values and practices that may seem inconsistent with traditional parenting from countries of origin, differing acculturation rates of parents as compared to their children may lead to difficulties and challenges. An eight-session parenting program for African migrant and refugee parents living in Melbourne was evaluated. Thirty-nine families participated in the program, which involved pre-test and post-test measures of parenting domains, using the Bavolek and Keene (1999) revised Adult–Adolescent Parenting Inventory (AAPI-2). Exposure to the program was related to positive changes in parental expectations of children, attitudes towards corporal punishment, and restriction of children’s access to food. The program facilitated positive change in almost all parenting domains. In light of these findings, recommendations are made for policy and future programs.

Early career teaching : learning to be a teacher and staying in the job

This article provides insights into the ways that teacher education programs might equip early career teachers beginning their professional identity. Situated in Melbourne (Australia), it discusses tertiary music education preparation for the profession and recognises the value and importance of having critical friends and mentors as a beginner teacher. By using narrative reflection both lecturer and graduate allow their voices to be heard as they make a contribution to understand the challenges new teachers face when building their professional identity and ‘staying in the job’. The discussion provided by the graduate, outlines her experience and engagement regarding the ‘positives’ and ‘negatives’ as she establishes her professional identity. Concerns and issues raised may be similar to those experienced by others. The lecturer contends that ongoing research with graduates is necessary when preparing pre-service students as they begin developing their teacher identity and remain within the profession after graduation.

Parallel TAFE and higher education studies in construction management : from collaboration to dual qualifications.

Collaboration between TAFE (vocational colleges) and universities in Australia in construction management has been problematic, with exchanges between the two sectors limited to linear articulation and prescribed credit transfer. Articulation pathways have traditionally been viewed as the poor relation of university entry. In 2005, the first pilot project in dual sector construction education was conducted at RMIT University in Melbourne. Higher education students completed electives in practical units within the TAFE sector. Due to the overwhelming success of the project, practical electives were firmly embedded in the construction management programme in 2007 and this paper reports on the third, final phase of the project in 2009 which has seen construction management students graduate with a dual qualification – both a TAFE qualification and a Higher Education degree. The case studies of this final phase reveal that students and industry want the benefits of a practical qualification. The data raises critical questions about education pathways and suggests long-term implications for construction and dual sector education in Australia.

Localisation of allergens in ryegrass pollen and in airborne micronic particles

In Melbourne, Australia, grass pollen allergens, especially from ryegrass, are a major cause of allergic hayfever and asthma. This review outlines recent developments in our understanding of how grass pollen allergens find their way into the atmosphere and how they are transported in particulate form. Much of this work has relied on antibody technology in immunological and immunocytochemical investigations. The localisation of allergens in situ has proved difficult due to their water-soluble character. Recently, allergens have been localised in developing ryegrass pollen by dryfixation, rapid-freeze and freeze-substitution techniques. This involved anthers being substituted in a mixture of aldehydes, organic solvents, and 2,2-dimethoxypropane. Incubation in dimethylsulfoxide prior to embedding in LR Gold resin provided good infiltration with freeze-substituted material. Immunogold-labelled sections show that the major allergens, Lol p 1 and Lol p 5, are synthesised in the pollen cytoplasm from the early bicellular stage, soon after the first starch granules are formed. From the early tricellular stage, Lol p 5 moves into the starch granules where it remains until maturity. Lol p 1 is localised in the cytoplasm of mature pollen grains. The incidence of airborne grass pollen, as measured in pollen traps, correlates with hayfever symptoms. Forecasting models which rely on rainfall and temperature data have been produced for the grass pollen (daily and seasonal) counts in Melbourne. Research over the past six years has shed light on the causes of grass-pollen-induced asthma. Micronic particles in the atmosphere may be starch granules originating from pollen grains osmotically ruptured by rainwater. Ultrastructural and immunological characterisation of micronic particles collected from outdoor air filters confirm the presence of airborne starch granules. These are loaded with grass pollen allergens, occur in the atmosphere especially after rainfall, and correlate significantly with instances of allergic asthma. Diesel particles might also play a role in the transmission of grass pollen allergens and thus become an extra asthma trigger. A variation in the mode of release of micronic particles occurs in other species, such as birch, where such particles are derived from burst birch pollen tubes. These particles are positive for Bet v 1 and are starch granules which are released into the atmosphere after light rain as a result of pollen germination on, e.g., leaves. After subsequent rupture of pollen tubes their contents are released when conditions become drier.

Concentrations of major grass group 5 allergens in pollen grains and atmospheric particles : implications for hay fever and allergic asthma sufferers sensitized to grass pollen allergens

Background

Grass pollen allergens are the most important cause of hay fever and allergic asthma during summer in cool temperate climates. Pollen counts provide a guide to hay fever sufferers. However, grass pollen, because of its size, has a low probability of entering the lower airways to trigger asthma. Yet, grass pollen allergens are known to be associated with atmospheric respirable particles.
Objective

We aimed (1) to determine the concentration of group 5 major allergens in (a) pollen grains of clinically important grass species and (b) atmospheric particles (respirable and nonrespirable) and (2) to compare the atmospheric allergen load with clinical data to assess different risk factors for asthma and hay fever.
Methods

We have performed a continuous 24 h sampling of atmospheric particles greater and lower than 7.2 μm in diameter during the grass pollen season of 1996 and 1997 (17 October 1996–16 January 1997) by means of a high volume cascade impactor at a height of about 15 m above ground in Melbourne. Using Western analysis, we assessed the reactivity of major timothy grass allergen Phl p 5 specific monoclonal antibody (MoAb) against selected pollen extracts. A MoAb-based ELISA was then employed to quantify Phl p 5 and cross-reactive allergens in pollen extracts and atmospheric particles larger and smaller than 7.2 μm.
Results

Phl p 5-specific MoAb detected group 5 allergens in tested grass pollen extracts, indicating that the ELISA employed here determines total group 5 allergen concentrations. On average, 0.05 ng of group 5 allergens were detectable per grass pollen grain. Atmospheric group 5 allergen concentrations in particles > 7.2 μm were significantly correlated with grass pollen counts (rs = 0.842, P < 0.001). On dry days, 37% of the total group 5 allergen load, whereas upon rainfall, 57% of the total load was detected in respirable particles. After rainfall, the number of starch granule equivalents increased up to 10-fold; starch granule equivalent is defined as a hypothetical potential number of airborne starch granules based on known pollen count data. This indicates that rainfall tended to wash out large particles and contributed to an increase in respirable particles containing group 5 allergens by bursting of pollen grains. Four day running means of group 5 allergens in respirable particles and of asthma attendances (delayed by 2 days) were shown to be significantly correlated (P < 0.001).
Conclusion

Here we present, for the first time, an estimation of the total group 5 allergen content in respirable and nonrespirable particles in the atmosphere of Melbourne. These results highlight the different environmental risk factors for hay fever and allergic asthma in patients, as on days of rainfall following high grass pollen count, the risk for asthma sufferers is far greater than on days of high pollen count with no associated rainfall. Moreover, rainfall may also contribute to the release of allergens from fungal spores and, along with the release of free allergen molecules from pollen grains, may be able to interact with other particles such as pollutants (i.e. diesel exhaust carbon particles) to trigger allergic asthma.