34 resultados para information consumption

em Deakin Research Online - Australia


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Schools appear in some accounts of community informatics as part of community, one of a number of organisations that need to be taken into account, perhaps on the basis of them being useful physical or human resources around which community informatics might be based. For their part, schools, at least in Australia, have been an important, early element in the broad take-up of computing and communication technologies (CCTs) by the community. Apart from the possibility of using school resources to support community access out of school time and based on what is published in both fields, schools and work in community informatics have tended to operate independently of one another. There are, nonetheless, interesting parallels in these two broad areas of activity which promote the use of CCTs. This chapter outlines a new research agenda in which schools produce knowledge for local community and in doing so develop new and productive community partnerships. The development provides interesting opportunities for the transformation of regions via this approach to community informatics. The background to this project is based in the long history of using CCTs in schools. The chapter will argue that the way in which schools understand CCTs is crucial to shaping what is possible to be done with CCTs in schools. Shifting the emphasis from information to relationships opens up alternatives that provide opportunities for significant, new relationships with community.

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The present paper aims to review current evidence for the effectiveness and/or feasibility of using inter-agency data sharing of ED recorded assault information to direct interventions reducing alcohol-related or nightlife assaults, injury or violence. Potential data-sharing partners involve police, local council, liquor licensing regulators and venue management. A systematic review of the peer-reviewed literature was conducted. The initial search discovered 19,506 articles. After removal of duplicates and articles not meeting review criteria, n = 8 articles were included in quantitative and narrative synthesis. Seven of eight studies were conducted in UK EDs, with the remaining study presenting Australian data. All studies included in the review deemed data sharing a worthwhile pursuit. All studies attempting to measure intervention effectiveness reported substantial reductions of assaults and ED attendances post-intervention, with one reporting no change. Negative logistic feasibility concerns were minimal, with general consensus among authors being that data-sharing protocols and partnerships could be easily implemented into modern ED triage systems, with minimal cost, staff workload burden, impact to patient safety, service and anonymity, or risk of harm displacement to other licensed venues, or increase to length of patient stay. However, one study reported a potential harm displacement effect to streets surrounding intervention venues. In future, data-sharing systems should triangulate ED, police and ambulance data sources, and assess intervention effectiveness using randomised controlled trials that account for variations in venue capacity, fluctuations in ED attendance and population levels, seasonal variations in assault and injury, and control for concurrent interventions.

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The status and explanatory role of nutrition knowledge is uncertain in public health nutrition. Much of the uncertainty about this area has been generated by conceptual confusion about the nature of knowledge and behaviours, and, nutrition knowledge and food behaviours in particular. So the paper  describes several key concepts in some detail. The main argument is that 'nutrition knowledge' is a necessary but not sufficient factor for changes in consumers' food behaviours. Several classes of food behaviours and their causation are discussed. They are influenced by a number of environmental and intra-individual factors, including motivations. The interplay between motivational factors and information processing is important for nutrition promoters as is the distinction between declarative and procedural  knowledge. Consideration of the domains of nutrition knowledge shows that their utility is likely to be related to consumers' and nutritionists' particular goals and viewpoints. A brief survey of the recent literature shows that the evidence for the influence of nutrition knowledge on food behaviours is mixed. Nevertheless, recent work suggests that nutrition knowledge may play a small but pivotal role in the adoption of healthier food habits. The implications of this overview for public health nutrition are: (i) We need to pay greater attention to the development of children's and adults' knowledge frameworks (schema building); (ii) There is a need for a renewed proactive role for the education sector; (iii) We need to take account of consumers' personal food goals and their acquisition of procedural knowledge which will enable them to attain their goals; (iv) Finally, much more research into the ways people learn and use food-related knowledge is required in the form of experimental interventions and longitudinal studies.

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Objective: To assess the relationships between an index of per capita income and the intake of a variety of individual foods as well as groups of food for men and women in different age groups. Design: Cross-sectional national survey of free-living men and women. Subjects: A sample of 5053 males and 5701 females aged 18 y and over who completed the Australian National Nutrition Survey 1995. Methods: Information about the frequency of consumption of 88 food items was obtained. On the basis of scores on the Food Frequency Questionnaire, regular and irregular consumers of single foods were identified. The relationships between regularity of consumption of individual foods and per capita income were analysed via contingency tables. Food variety scores were derived by assigning individual foods to conventional food group taxonomies, and then summing up the dichotomised intake scores for individual foods within each food group. Two-way ANOVA (income age group) were performed on the food variety scores for males and females, respectively. Results: Per capita income was extensively related to the reported consumption of individual foods and to total and food group variety indices. Generally, both men and women in low income households had less varied diets than those in higher-income households. However, several traditional foods were consumed less often by young high-income respondents, especially young women. Conclusions: Major income differentials in food variety occur in Australia but they are moderated by age and gender. Younger high-income women, in particular, appear to have rejected a number of traditional foods, possibly on the basis of health beliefs. The findings also suggest that data aggregation has marked effects on income and food consumption relationships.

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Objective: To assess the relationship between education and the intake of a variety of individual foods, as well as groups of foods, for Australian men and women in different age groups.

Design: Cross-sectional national survey of free-living men and women. Subjects: A sample of 2501 men and 2739 women aged 18 years and over who completed the National Nutrition Survey (NNS) 1995.

Methods: Information about the frequency of consumption of 88 food items was obtained using a food-frequency questionnaire in a nation-wide nutrition survey. Irregular and regular consumers of foods were identified according to whether they consumed individual foods less than or more than once per month. The relationship between single foods and an index of education (no post-school qualifications, vocational, university) was analysed via contingency table chi-square statistics for men and women. Food group variety scores were derived by assigning individual foods to conventional food group taxonomies, and then summing the dichotomised intake scores for individual foods within each food group. Two-way analyses of variance (education by age groups) were performed on food variety scores for men and women, separately.

Results: While university-educated men and women consumed many individual foods more regularly than less-educated people, they were less likely to be regular consumers of several meat products. The relationship between education and food consumption was less apparent when individual food scores were aggregated into food group scores. University-educated men and women exhibited higher scores on total food group variety than the other educational groups.

Conclusions: Higher education is associated with the regular consumption of a wider variety of foods. Aggregation of individual food consumption indices into food variety scores may mask the apparent effects of educational background on food consumption.

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Objective: The aim of this study was to examine consumers' perceived benefits and barriers to the consumption of a plant-based diet. Design: Mail survey that included questions on perceived benefits and barriers to the consumption of a plant-based diet. Setting: Victoria, Australia. Subjects: Four hundred and fifteen randomly selected Victorian adults. Results: The main perceived barrier to adoption of a plant-based diet was a lack of information about plant-based diets (42% agreement). Sex, age and education differences were present in over a quarter of the barrier items. For example, non-university-educated respondents and older people were less willing to change their current eating pattern than were university educated and younger respondents. The main benefits associated with plant-based diets were health benefits, particularly decreased saturated fat intake (79% agreement), increased fibre intake (76%), and disease prevention (70%). Age, sex and education differences with regard to benefits were apparent, although sex differences were more important than age or education differences. Conclusions: The majority of respondents perceived there to be health benefits associated with the consumption of a plant-based diet. Compared with the proportion of respondents who agreed that there were particular benefits of eating a plant-based diet, perceived barriers were relatively low. An understanding of the perceived benefits and barriers of consuming a plant-based diet will help formulate strategies that aim to influence beliefs about plant foods, plant food consumption, and, ultimately, public health.

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While consumer complaint behaviour, and specifically voicing, has been extensively investigated from the perspective of goods (see Volkov et al., 2003, for a review), there have been fewer studies investigating consumer voicing with regard to services (Andreasen, 1984, 1985; Singh, 1988, 1990; Zeithaml, Berry, & Parasuraman, 1996). Further, no research can be identified in the extant literature with respect to experiential consumer voicing. This research proposes an examination of voicing behaviour of consumers in an experiential consumption setting and uses sport consumption as the context. A review of literature in the area is presented and a proposal for experiential research is offered.

In experiential consumption settings, consumers are more likely to experience emotional reactions to, and be actively involved in, the experience than in traditional consumption episodes (Addis & Holbrook, 2001; Hoffman, Kumar, & Novak, 2003; Lofman, 1991). Further, experiential consumption episodes
involve greater emotional processing, more activity, more evaluation, but less overall cognitive processing than traditional episodes (Lofman, 1991), which in turn is likely to result in different consumer behaviour in these experiential settings.

Tn this study, traditional consumer complaint behaviours are re-examined in an experiential context; specifically, consumption of live sport. It is proposed that these behaviours are not motivated by the traditional antecedents of anger and involvement and, further, that they are not enacted with the purpose of
reducing dissonance. Instead, it would appear that traditional complaint behaviour concepts such as voicing, overt aggression, and assignment of blame take on a more functional role in the sport consumption experience. The possibility exists that for some spectators these complaining behaviours that have traditionally been cJassitIed as negative, actually contribute to overall enjoyment o( and satisfaction with, a sport consumption experience.

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Evidence exists in the literature that many traditional consumer behaviours have fundamentally different meanings when considered in an experiential context. This paper posits that voicing during the experiential consumption of sport may in fact be a factor of experiential consumption rather than an expression of dissatisfaction as in the traditional complaint behaviour model. This is significant in the interpretation of experiential sport consumption where vocalising appears to serve purposes other than complaining. This paper revises the traditional complaint behaviour literature for explanations about vocalising and then offers some alternate conceptual propositions using experiential consumption literature.

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Information on the status of long-chain polyunsaturated fatty acids (LCPUFAs) in pregnancy and breast milk in very high fish-eating populations is limited. The aim of this study was to examine dietary intake and changes in fatty acid status in a population of pregnant women in the Republic of Seychelles. Serum docosahexaenoic acid (DHA) decreased significantly between 28-week gestation and delivery (n=196). DHA status did not correlate significantly with length of gestation and was not associated with self-reported fish intake, which was high at 527 g/week. In breast milk, the ratio of DHA to arachidonic acid (AA) was consistent with those observed in other high fish-eating populations. Overall the data suggest that high exposure to LCPUFAs from habitual fish consumption does not prevent the documented decrease in LCPUFA status in pregnancy that occurs as a result of foetal accretion in the third trimester of pregnancy.

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The objective of this study was to investigate consumers’ knowledge of health risks of high salt intake and frequency of use and understanding of labelled salt information. We conducted a cross-sectional survey in shopping centres within Metropolitan Melbourne. A sample of 493 subjects was recruited. The questionnaire assessed salt related shopping behaviours, attitudes to salt intake and health and their ability to interpret labelled sodium information. Four hundred and seventy four valid surveys were collected (65% female, 64% being the main shopper). Most participants knew of the relationship between salt intake and high blood pressure (88%). Sixty five percent of participants were unable to correctly identify the relationship between salt and sodium. Sixty nine percent reported reading the salt content of food products when shopping. Salt label usage was significantly related to shoppers concern about the amount of salt in their diet and the belief that their health could improve by lowering salt intake. Approximately half of the sample was unable to accurately use labelled sodium information to pick low salt options. Raising consumer awareness of the health risks associated with high salt consumption may increase salt label usage and purchases of low salt foods. However, for food labels to be effective in helping consumers select low salt foods a more ‘user friendly’ labelling format is needed.

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The thesis integrates theory from psychology and marketing, finding that those with an innate desire to seek out information on new products / brands are motivated to do so by aspects of regulatory focus, needs for uniqueness, and their susceptibility to interpersonal influence. In turn, these people consume more media and have higher information exposure.

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Technologically-mediated learning environments are an increasingly common component of university experience. In this paper, the authors consider how the interrelated domains of policy contexts, new learning cultures and the consumption of information and communication technologies might be explored using the concept of technography. Understood here as a term referring to “the apprehension, reception, use, deployment, depiction and representation of technologies” (Woolgar, 2005, pp. 27-28), we consider how technographic studies in education might engage in productive dialogues with interdisciplinary research from the fields of cultural and cyber studies. We argue that what takes place in online learning and teaching environments is shaped by the logics and practices of technologies and their role in the production of new consumer cultures.

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The purpose of this paper was to examine the contribution of individual, social and environmental factors to predicting fruit and vegetable consumption among women of low socioeconomic position (SEP). An Australian community sample of 355 women of low SEP provided survey data on sociodemographic information, diet (fruit and vegetable consumption), and various cognitive, behavioural, social and perceived environmental influences on healthy eating. Information on the availability and accessibility of major chain supermarkets and fruit and vegetable stores from participant's residence was collected through objective audits. Women who were older, dieting to lose weight, had a greater taste preference for fruit and perceived the cost of fruit to be lower were more likely to be high fruit consumers. Women who had a high BMI were more likely to be high vegetable consumers. Women who perceived a greater availability of healthy foods in their neighbourhoods were more likely to be high fruit and vegetable consumers. Strategies aimed at increasing fruit and vegetable consumption among low SEP women should focus on modifying perceptions about the cost, availability and taste of fruits and vegetables. Tailoring nutrition interventions to accommodate differences in age, weight-control practices and weight status may also prove beneficial.

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Background: Inadequate fruit and vegetable consumption in childhood increases the risk of developing chronic disease. Despite this, a substantial proportion of children in developed nations, including Australia, do not consume sufficient quantities of fruits and vegetables. Parents are influential in the development of dietary habits of young children but often lack the necessary knowledge and skills to promote healthy eating in their children. The aim of this study is to assess the efficacy of a telephone-based intervention for parents to increase the fruit and vegetable consumption of their 3- to 5-year-old children.
Methods/Design: The study, conducted in the Hunter region of New South Wales, Australia, employs a cluster randomised controlled trial design. Two hundred parents from 15 randomly selected preschools will be randomised to receive the intervention, which consists of print resources and four weekly 30-minute telephone support calls delivered by trained telephone interviewers. The calls will assist parents to increase the availability and accessibility of fruit and vegetables in the home, create supportive family eating routines and role-model fruit and vegetable consumption. A further two hundred parents will be randomly allocated to the control group and will receive printed nutrition information only. The primary outcome of the trial will be the change in the child's consumption of fruit and vegetables as measured by the fruit and vegetable subscale of the Children's Dietary Questionnaire. Pre-intervention and post-intervention parent surveys will be administered over the telephone. Baseline surveys will occur one to two
weeks prior to intervention delivery, with follow-up data collection calls occurring two, six, 12 and 18 months following baseline data collection.
Discussion: If effective, this telephone-based intervention may represent a promising public health strategy to increase fruit and vegetable consumption in childhood and reduce the risk of subsequent chronic disease.
Trial registration: Australian Clinical Trials Registry ACTRN12609000820202