The Cost of Co-viability in the Australian Northern Prawn Fishery

Fisheries management must address multiple, often conflicting objectives in a highly uncertain context. In particular, while the bio-economic performance of trawl fisheries is subject to high levels of biological and economic uncertainty, the impact of trawling on broader biodiversity is also a major concern for their management. The purpose of this study is to propose an analytical framework to formally assess the trade-offs associated with balancing biological, economic and non-target species conservation objectives. We use the Australian Northern Prawn Fishery (NPF), which is one of the most valuable federally managed commercial fisheries in Australia, as a case study. We develop a stochastic co-viability assessment of the fishery under multiple management objectives. Results show that, due to the variability in the interactions between the fishery and the ecosystem, current management strategies are characterized by biological and economic risks. Results highlight the trade-offs between respecting biological, economic and non-target species conservation constraints at each point in time with a high probability and maximizing the net present value of the fishery.

Economic models of preventive dentistry for Australian children and adolescents

Purpose:
To identify economic evaluation models and parameters that could be replicated or adapted to construct a generic model to assess cost-effectiveness of and prioritise a wide range of community-based oral disease prevention programmes in an Australian context.
Methods:
The literature search was conducted using MEDLINE, ERIC, PsycINFO, CINHAL (EBSCOhost), EMBASE (Ovid), CRD, DARE, NHSEED, HTA, all databases in the Cochrane library, Scopus and ScienceDirect databases from their inception to November 2012.
Results:
Thirty-three articles met the criteria for inclusion in this review (7 were Australian studies, 26 articles were international). Existing models focused primarily on dental caries. Periodontal disease, another common oral health problem, was lacking. Among caries prevention studies, there was an absence of clear evidence showing continuous benefits from primary through to permanent dentition and the long-term effects of oral health promotion.
Conclusion:
No generic model was identified from previous studies that could be immediately adopted or adapted for our purposes of simulating and prioritising a diverse range of oral health interventions for Australian children and adolescents. Nevertheless, data sources specified in the existing Australian-based models will be useful for developing a generic model for such purposes.

Physical activity and sedentary behaviour among Asian and Anglo-Australian adolescents

Issue addressed Evidence suggests that physical activity (PA) and sedentary behaviour (SB) participation varies among culturally and linguistically diverse (CALD) adolescents. The present study examined differences in PA and SB among a CALD sample of Chinese Australian, South-east Asian and Anglo-Australian adolescents. Methods Data from 286 adolescents aged 12-16 years involved in the Chinese and Australian Adolescent Health Survey in metropolitan Melbourne, Australia, were analysed. Accelerometry outcomes included median activity counts per minute (counts.min-1) and minutes per day (min.day-1) spent in light-intensity PA (LPA), moderate-to-vigorous-intensity PA (MVPA) and sedentary time (ST). Kruskal-Wallis one-way analysis of variance and sequential multiple hierarchical linear regressions were used to examine CALD differences in PA and ST. Results Multivariate analyses of accelerometry data found Chinese Australian and South-east Asian adolescents engaged in significantly less daily MVPA (5-8min.day-1) and LPA (50-58min.day-1; P<0.05), but greater daily ST (40-41min.day-1), than Anglo-Australian adolescents, after adjusting for age, gender and socioeconomic category. Conclusion The results demonstrate lower engagement in daily MVPA and LPA and greater engagement in ST using accelerometry among Chinese Australian and South-east Asian adolescents compared with Anglo-Australian adolescents. These findings have important public health implications in furthering our understanding of CALD differences in PA and SB. So what? An understanding of the CALD differences in physical activity and sedentary behaviour among Australian adolescents has important implications for intervention planning and delivery as well as the wider health implications of these behaviours. This article furthers the current understanding of CALD adolescents' participation in physical activity and sedentary behaviour, of which limited information is available.

Birds of a feather: the geographic interconnection of Australian universities on Twitter

Purpose
Regardless of their virtual nature, research suggests that social media networks are still influenced by geography. This research investigates the connections between Australian universities on the Twitter social media system.

Design/methodology/approach
This research employs network analysis and visualisation to characterise the connections between Australian universities on Twitter.

Findings
A strong relationship to geography, both at the intra-state level and the inter-state level, was observed in the connections between Australian universities on Twitter. A relationship between number of followers and time since joining Twitter was also observed.

Research limitations/implications
The research presented is limited to Australian universities only and represents a snapshot in time only.

Practical implications
Australian universities have the opportunity to reach beyond the geographically restricted connections observed here, to actively seek new audiences, and to realise the cited benefits of online social media relating to increased connection across physical and digital frontiers. By capitalising on the strong ‘locality’ observed in social media connections, a university could become a desirable source of information that is likely to be of interest to, and valued by, local constituents.

Originality/value
This paper contributes to the research literature on university use of social media by addressing the so far largely silent area of inter-institutional connections via social media, and the influence of physical geography on the connections between universities on Twitter. It also offers a practical methodology for those interested in further research in this area.

Retirement patterns of Australian doctors aged 65 years and older.

OBJECTIVE: To investigate retirements over a 4-year period among Australian general practitioners (UPs) and specialists aged 65 years and over, and factors influencing retirement. METHODS: Data from Medicine in Australia: Balancing Employment and Life (MABEL) for the years 2009-12 were analysed for 435 GPs and 643 specialists aged 65 years and over at the time of entry to the MABEL survey. Discrete time survival analysis was used. RESULTS: The retirement rates were 4.1% (2009), 5.1% (2010), 4.2% (2011) and 10.4% (2012). Retirement was associated with: (1) the intention to leave medical work in 2009 and 2010; (2) working fewer hours in private consulting rooms in 2010 and 2012; (3) having lower job satisfaction in 2009 and 2011; (4) being older in 2009; (5) working fewer hours in a public hospital in 2012; and (6) working fewer hours in a private hospital in 2010. Doctors who intended to reduce their working hours were less likely to retire in 2009. CONCLUSIONS: Strategies to support doctors at the late career stage to provide their valued contributions to the medical workforce for as long as possible may include increasing job satisfaction and addressing barriers to reducing work hours.

How do the Australian guidelines for lipid-lowering drugs perform in practice? Cardiovascular disease risk in the AusDiab Study, 1999-2000

OBJECTIVE: To determine how well the current Pharmaceutical Benefits Scheme (PBS) eligibility criteria for subsidy of lipid-lowering drugs compare with current national guidelines for determining the population at high risk of developing cardiovascular disease (CVD). DESIGN AND PARTICIPANTS: Analyses of the population-based, cross-sectional Australian Diabetes, Obesity and Lifestyle (AusDiab) study, conducted in 1999-2000. The 1991 Framingham risk prediction equation was used to compute 5-year risk of developing first-time CVD in 8286 participants aged 30-74 years with neither CVD nor diabetes. Based on the National Heart Foundation of Australia and Cardiac Society of Australia and New Zealand guidelines, people with either 5-year CVD risk > or = 15% or with 5-year CVD risk of 10%-< 15% and the metabolic syndrome were defined as having estimated high absolute CVD risk. MAIN OUTCOME MEASURES: 5-year CVD risk; estimated population with high CVD risk. RESULTS: Among participants without prevalent CVD or diabetes, 7.9% of men and 1.5% of women had a 5-year CVD risk > or = 15%. Of the estimated residential Australian population in 2000 aged 30-74 years without CVD or diabetes, 717 000 people were considered to be at high absolute CVD risk. Among the high-risk AusDiab participants without CVD or diabetes, only 16.9% of men and 15.4% of women were being treated with lipid-lowering drugs. Of the 9.6% of participants free of CVD and diabetes who were untreated but eligible for subsidy under PBS criteria, only 27.4% had an estimated high absolute CVD risk. CONCLUSION: Strategies for CVD prevention using lipid-lowering medications can be improved by adoption of the absolute-risk approach.

Australian doctors’ non-clinical activities: results from the MABEL survey of doctors

Objective. The aim of the present study was to investigate non-clinical work conducted by Australian doctors.
Methods. This study was an exploratory descriptive study using data from Wave 5 of the Medicine in Australia: Balancing Employment and Life (MABEL) longitudinal survey, collected in 2012 from Australian medical practitioners (2200 general practitioners (GPs), 3455 specialists, 1270 specialists in training and 1656 hospital non-specialists). The main outcome measure was the number of hours worked per week in non-clinical work. Regression analysis was used to determine associations between non-clinical activities (i.e. education-related, management and administration and other) and personal and professional characteristics, including age, gender, job and life satisfaction, total clinical working hours, sector of practice
(public or private) and doctor type.
Results. Australian doctors spend an average of just under 7 h per week, or 16% of their working time, on non-clinical activities. Doctors who worked more hours on non-clinical activities overall, and in education-related and management and
administration specifically, were male, younger, had lower life satisfaction and generally spent fewer hours on clinical work. Lower job satisfaction was associated with longer management and administration hours, but not with time spent in
education-related activities. Specialists were more likely to work long non-clinical hours, whereas GPs were more likely to report none. Hospital non-specialists reported relatively high management and administration hours.
Conclusions. Further work is required to better understand the full range of non-clinical activities doctors are involved in and how this may impact future workforce projections.

Fabric and greasy wool handle, their importance to the Australian wool industry: a review

Handle-related properties of woollen fabrics have been demonstrated to be major factors affecting consumer buying attitudes. Handle is the combination of both textural and compressional attributes. Compressional handle has demonstrated processing advantages in woven and knitted fabrics. The handle of processing lots can be manipulated using a variety of technologies but direct manipulation of textural greasy wool handle pre-processing is still crude. On-farm, there is documented evidence that including handle assessment in a selection index provides additional improvements in genetic gain. However, the assessment of greasy wool handle is based on a tactile evaluation of the wool staple by sheep and wool classers, and its application is affected by a lack of framework that instructs assessors on a standard method of assessment. Once a reliable and repeatable protocol is developed, further understanding of the effect greasy wool handle has on final garment quality will be possible.

A guide to clarifying evidence in Australian child forensic interviews

Purpose – Interviewing victims of child sex abuse requires considerable care in order to minimise error. Due to children’s heightened suggestibility any question asked of a child could potentially incite error that could undermine the witness’s credibility. A focus group was conducted in order to facilitate the development of guidance for interviewers around the circumstances in which it is necessary to ask children follow-up questions in an interview. The paper aims to discuss these issues.

Design/methodology/approach – Seven Crown prosecutors representing every Australian state and territory (with the exception of one small state) were issued with 25 hypothetical narrative accounts of child abuse and asked to indicate what information, if any, required follow-up in the child’s narrative. Their responses and rationale for requiring following up in some cases and not others were discussed.

Findings – Thematic analysis revealed three recommendations to guide questioning: whether the case involved identification or recognition evidence; the presence of contextual features that may influence the witness’s memory, or that should trigger a particular line of questioning; and whether the information can or should be sought at a later stage by the trial prosecutor, rather than by the interviewer. Practical implications – The recommendations are discussed within the context of their implications for interviewing, that is, how each recommendation could be implemented in practice.

Originality/value – The present study extends prior literature by elucidating principles to guide decision making across interview topic areas. The need for such guidance is highlighted by research suggesting that topics such as offender identity, offence time and place, and witnesses are a source of overzealous questioning in interviews.

Barriers to implementing reverse logistics in South Australian construction organisations

Purpose - This paper aims to present a survey of the perceptions of the barriers to implementing reverse logistics (RL) practices in South Australian (SA) construction organisations. Despite the extensive research on forward logistics and RL, there is a paucity of studies that examine the barriers to implementing RL particularly within the Australian construction industry. This study builds on the ongoing research being undertaken by the authors, entitled “Designing for reverse logistics (DfRL) within the building life cycle: practices, drivers and barriers”, which is examining the best practices and drivers that could be used as a “road map” for developing appropriate solutions for the successful implementation of RL. Design/methodology/approach - Data were collected by utilising a triangulated data collection approach, a literature review and 49 questionnaires. The review of the literature identified 16 barriers to implementing RL. The quantitative survey data were subjected to descriptive and inferential statistics with correlation analysis to examine the relationships between different pairs of variables comprising RL’s critical barriers. Findings - The following barriers were indicated as most significant: lack of incorporation of salvaged materials by designers; regulation restrictions to usage of recovered materials and components; potential legal liabilities; higher costs; and longer-time association with deconstructing buildings. The least ranked barriers were mostly drawn from the operational and industrial categories as being: organisational lack of support for deconstruction due to incompatible design; lack of organisational support for deconstructing buildings due to higher health and safety risks; and inadequate skills and experience for deconstruction (operational). The industrial barrier was related to “higher costs of salvaged materials in comparison to virgin products”. Research limitations/implications - First, the reported findings are focussed on one study that used questionnaire surveys within the construction industry; therefore, the results may not be generalisable to other contexts. Further, studies should be conducted and extended to other industrial sectors beyond the construction industry. Second, the quantitative study (n 49) used a smaller sample, and the survey items were based on the review of the literature. Practical implications - The identified barriers could be used as a “road map” for the development of appropriate solutions for the successful implementation of RL, and to improve the environment-related decision-making processes of contractors. Originality/value - This study makes a contribution to the body of knowledge on the subject of RL within a previously unexplored SA context. In addition, the study provides some insights on the contributory effects of the barriers to the implementation of RL. It is the first work undertaken to determine the barriers to the adoption of RL within the SA construction industry.

Differences in underpricing of A-REIT IPOs and Australian property company IPOs

Purpose – A variety of papers have analyzed the underpricing of REIT IPOs or property company IPOs. The purpose of this paper is to compare the two sectors and examines differences in the underpricing of the two types of IPOs. Design/methodology/approach – An OLS regression is used to identify factors influencing the underpricing of A-REIT and property company IPOs from 1994 until 2014. Findings – This study finds that A-REIT IPOs have a significantly lower underpricing on average than Australian property company IPOs. The time taken to list appears to influence the underpricing of both A-REIT IPOs and property company IPOs, in that issues that are filled more quickly have higher underpricing but with the magnitude of the impact being less for A-REITs. The sentiment toward the stock market also appears to impact on the underpricing of A-REIT and property company IPOs again with the magnitude of the impact being less for A-REITs. Practical implications – The paper provides information to new A-REIT and property company issuers, underwriters and investors. Originality/value – The study is the first to compare and examine the differences in the underpricing of both REITs and property companies in the one country over the same time period.

Analysis of reverse logistics implementation practices by South Australian construction organisations

Purpose – A large number of benefits have been reported when reverse logistics (RL) is fully implemented in the construction industry. However, RL is yet to become common place in the construction sector, particularly in Australia. The particular sub-sector in which RL operates is small and weak and the remainder of the sector must embrace and accommodate it comfortably. Research is lacking on how to promoting RL in the construction industry. Very little has been done to identify the current practices that have the potential to promote RL industry-wide. The purpose of this paper is to identify the practices that work well in the sector, a strategy could be mapped out to promote RL to all stakeholders. Design/methodology/approach – In order to fill the above gap, the present study used a mixed method approach to gather and evaluate current practices and their potential to promote RL in South Australia’s construction industry. Practices that were identified using a comprehensive literature review were evaluated with a questionnaire survey and series of interviews involving construction professionals. Findings – The findings are that practices facilitating deconstruction is the most important, followed by practices facilitating the use of salvaged materials in new construction to promote RL in South Australia. Awareness of deconstruction benefits, challenges and procedures at the organisation level and facilities and services at industry level were associated with RL implementation. Availability of salvaged materials in the market was found to influence its use in new construction and as a consequence its demand. Designing for reverse logistics is another practice that could facilitate deconstruction and the onus of its promotion lies mainly with the designers. Research limitations/implications – This research was confined to one state in Australia. As such the generalisation to other states and other countries should be treated cautiously. Practical implications – The findings of this study can help inform the industry and its stakeholders on areas that they need to concentrate more on to make the South Australian construction industry a fully RL integrated one. To that end the authors propose some recommendations arising from the findings reported here. Originality/value – This study makes a contribution to the body of knowledge on reserve logistics within a previously unexplored South Australian context. In addition, the study provides valuable insights into the contribution of RL practices to the construction industry.

The diagnosis of attention-deficit/hyperactivity disorder in Australian children: current paediatric practice and parent perspective

Aims In a sample of newly diagnosed children with attention-deficit/hyperactivity disorder (ADHD), the aims were to examine (1) paediatrician assessment and management practices; (2) previous assessments and interventions; (3) correspondence between parent-report and paediatrician identification of comorbidities; and (4) parent agreement with diagnosis of ADHD. Methods Design: cross-sectional, multi-site practice audit with questionnaires completed by paediatricians and parents at the point of ADHD diagnosis. Setting: private/public paediatric practices in Western Australia and Victoria, Australia. Main outcome measures: paediatricians: elements of assessment and management were indicated on a study-designed data form. Parents: ADHD symptoms and comorbidities were measured using the Conners 3 ADHD Index and Strengths and Difficulties Questionnaire, respectively. Sleep problems, previous assessments and interventions, and agreement with ADHD diagnosis were measured by questionnaire. Results Twenty-four paediatricians participated, providing data on 137 patients (77% men, mean age 8.1 years). Parent and teacher questionnaires were used in 88% and 85% of assessments, respectively. Medication was prescribed in 75% of cases. Comorbidities were commonly diagnosed (70%); however, the proportion of patients identified by paediatricians with internalising problems (18%), externalising problems (15%) and sleep problems (4%) was less than by parent report (51%, 66% and 39%). One in seven parents did not agree with the diagnosis of ADHD. Conclusions Australian paediatric practice in relation to ADHD assessment is generally consistent with best practice guidelines; however, improvements are needed in relation to the routine use of questionnaires and the identification of comorbidities. A proportion of parents do not agree with the diagnosis of ADHD made by their paediatrician.

Stressors and coping resources of Australian kidney transplant recipients related to medication taking: a qualitative study

AIM: To understand the stressors related to life post-kidney transplantation, with a focus on medication adherence, and the coping resources people use to deal with these stressors. BACKGROUND: Although kidney transplantation offers enhanced quality and years of life for patients, the management of a kidney transplant post-surgery is a complex process. DESIGN: A descriptive exploratory study. METHOD: Participants were recruited from five kidney transplant units in Victoria, Australia. From March to May 2014, patients who had either maintained their kidney transplant for ≥ 8 months or had experienced a kidney graft loss due to medication non-adherence were interviewed. All audio-recordings of interviews were transcribed verbatim and underwent Ritchie and Spencer's framework analysis. RESULTS: Participants consisted of fifteen men and ten women aged 26 - 72 years old. All identified themes were categorised into: 1) Causes of distress and 2) Coping resources. Post-kidney transplantation, causes of distress included the regimented routine necessary for graft maintenance, and the everlasting fear of potential graft rejection, contracting infections and developing cancer. Coping resources utilised to manage the stressors were firstly, a shift in perspective about how easy it was to manage a kidney transplant than to be dialysis-dependent and secondly, receiving external help from fellow patients, family members and healthcare professionals in addition to utilising electronic reminders. CONCLUSION: An individual well-equipped with coping resources is able to deal with stressors better. It is recommended that changes, such as providing regular reminders about the lifestyle benefits of kidney transplantation, creating opportunities for patients to share their experiences and promoting the utilisation of a reminder alarm to take medications, will reduce the stress of managing a kidney transplant.