Diet quality and telomere length in older Australian men and women.

PURPOSE: Telomere length is a biomarker of cellular ageing, with longer telomeres associated with longevity and reduced risk of chronic disease in older age. Consumption of a healthy diet may contribute to longevity via its impact on cellular ageing, but studies on diet and telomere length to date have been limited and their findings equivocal. The aim of this study was to examine associations between three indices of diet quality and telomere length in older men and women. METHODS: Adults aged 57-68 years participating in the Wellbeing, Eating and Exercise for a Long Life (WELL) study in Victoria, Australia (n = 679), completed a postal survey including an 111-item food frequency questionnaire in 2012. Diet quality was assessed via three indices: the Dietary Guideline Index, the Recommended Food Score, and the Mediterranean Diet Score. Relative telomere length was measured by quantitative polymerase chain reaction. Associations between diet quality and telomere length were assessed using linear regression adjusted for covariates. RESULTS: After adjustment for age, sex, education, smoking, physical activity, and body mass index (BMI), there were no significant associations between diet quality and relative telomere length. CONCLUSIONS: In a sample of older adults residing in Victoria, Australia, men and women aged 57-68 years with better-quality diets did not have longer telomeres. Further investigation in longitudinal studies will determine whether diet can influence telomere length over time in an ageing population.

A Narratological investigation of Australian graphic novels for children

This thesis analyses a selection of contemporary Australian graphic novels for children and young adults. Using comics theory and postclassical narratology it demonstrates the diversity and richness of these texts and reveals that their blend of visual and verbal language requires a distinctive mode of reading.

Educating for designing in and planning for country: Empowering built environment students with Indigenous protocols and knowledge

Increasingly, built environment professionals in Australia, including architect, landscape architect and planner practitioners, are becoming involved in planning and design of projects for, and in direct consultation with Indigenous communities and their proponents. Critically, built environment professionals must be able to plan and design, and demonstrate respect for Indigenous protocols, cultural issues and their community values. Yet many students graduate with little or no comprehension of Indigenous knowledge systems or the protocols for engagement with Australian or international Indigenous communities in which they are required to work. This paper reports on a recently completed Office of Learning & Teaching funded project that was designed to improve the knowledge and skills of tertiary students in the built environment professions including proposing strategies and processes to expose students in the built environment professions to Australian Indigenous knowledge systems. This is a positive beginning in a long-term decolonising project.

Impact of patient and environmental factors on capillary refill time in adults

OBJECTIVES: Capillary refill time (CRT) has been taught as a rapid indicator of circulatory status. The aim of this study was to define normal CRT in the Australian context and the environmental, patient, and drug factors that influence it.

METHODS: This prospective observational study included healthy adults at hospital clinics, workplaces, universities, and community groups. Volunteer participants provided their age, sex, ethnic group, and use of hypertensive or cardiac medications. Capillary refill time, ambient temperature, and patient temperature were recorded in a standard manner. Data were analyzed using descriptive statistics and regression analyses. The 95th percentile was used to define the upper limit of normal.

RESULTS: One thousand participants were included; 57% were women, 90% were white, and 21% were taking cardiac medications. The median CRT was 1.9 seconds (95th percentile, 3.5 seconds). The CRT increased 3.3% for each additional decade of age. The CRT was also on average 7% lower in men than in women. The CRT decreased by 1.2% per degree-Celsius rise of ambient temperature, independently of patient's temperature, and decreased by 5% for each degree-Celsius rise in patient temperature, independently of ambient temperature. On multivariant analysis, age, sex, ambient temperature, and patient temperature were statistically significant predictors of CRT, but together explain only 8% of the observed variability.

CONCLUSION: Capillary refill time varies with environmental and patient factors, but these account for only a small proportion of the variability observed. Its suitability as a reliable clinical test is doubtful.

Beyond culturalism: addressing issues of Indigenous disadvantage through schooling

This paper draws from a study that explored issues of student equity, marginality and diversity in two secondary schools in regional Queensland (Australia). The paper foregrounds interview data gathered from administration, teaching and ancillary staff at one of the schools, ‘Crimson’ High School. The school has a high Indigenous student population and is well recognised within the broader community as catering well to this population. With reference to the school’s concerns about Indigenous disadvantage and the various approaches undertaken to address this disadvantage, the paper articulates the significance of educators being critically aware of how they construct race and use it as an organising principle in their work. This awareness is central to moving beyond the culturalism and racial incommensurability that tend to predominate within Indigenous education—where cultural reductionism homogenises indigeneity within and against a dominant White norm. With reference to a specific approach at the school designed predominantly for Indigenous male students—to foster inter-cultural awareness and respect through sport—we highlight ways in which notions of culturalism and racial incommensurability might be disrupted.