1,715 research outputs found
Grandparents’ contribution to a family culture of physical activity
Family is often identified as a determinant or correlate of older adults’ physical activity. However, we know little about how family life can influence physical activity beliefs, understandings and practices as we age. Changes in life expectancy have resulted in changes in family life, with an increasing amount of families now living with multiple generations. As a result, families experience an increased number of years of shared lives. This shift in family structure may affect the way we do family, that is, what roles and responsibilities are undertaken as part of family life. Thus, in the last decade there has been an increasing interest in intergenerational relationships within families in the literature. However, in relation to physical activity, research in intergenerational families has focussed on two generational families. In addition, little is known about how intergenerational relationships may influence physical activity beliefs, understandings and practices, particularly from the perspective of older adults. Based on data from five three-generational families from the West of Scotland, results show how the physical activity practices of older people contribute to a family culture of physical activity, thus reinforcing intergenerational links
Toward an Ideal Relational Ethic: Rethinking university-community engagement
This paper explores how an ideal relational ethic based on Zygmunt Bauman’s (1995) notion of forms of togetherness is needed to underpin university-community engagement processes and practices. We focus on the notion of being-for, and suggest that it can be used as an ‘engagement bridge’ between higher education institutions, the creation of human capital and communities, and can be a means to achieve ethical outcomes to local concerns. Much of Bauman’s (1995; 2001; 2007) theoretical development has focussed on the liquidity of modernity, to give the impression that community - in the spatially, physically located and fixed sense of the term - no longer exists. This paper proposes that spatial dimensions, particularly in the context of developing relational ethics, are important. This is particularly so for paying adequate attention to context-specific values, principles and issues in communities, for developing enterprising human capital via engagement, and for addressing matters of socio-political importance such as the environment. Contemporary neo-liberal times require ethical and moral leadership from universities. This paper suggests that such leadership can be developed from focussing attention on the forms of togetherness fostered by university-community engagement
Toward an Ideal Relational Ethic: Re-thinking university-community engagement
This article argues for the importance of developing a relational ethic to guide university-community engagement practices and processes. Our objective is to demonstrate that ethical \u27engagement bridges\u27 can be formed to link higher education institutions (HEis), human capital at the community level, and the important global questions of our day that resonate with regional communities. Taking centre place in this triad is the notion of being-for, an ideal form of togetherness put forward by Zygmunt Bauman (1995) in his early work on globalisation and post-modernity. Being-for is presented in this article as a moral aspiration that, if embraced, can tie together engagement scholarship with the development of enterprising human capital, and result in ethical outcomes in the university-community engagement arena
Ethical complexities of screening for depression and intimate partner violence (IPV) in intervention studies
<p>Abstract</p> <p>Background</p> <p>Intervention studies for depression and intimate partner violence (IPV) commonly incorporate screening to identify eligible participants. The challenge is that current ethical evaluation is largely informed by the four principle approach applying principles of beneficence, non-maleficence, and respect for justice and autonomy. We examine three intervention studies for IPV, postnatal depression (PND) and depression that used screening from the perspective of principlism, followed by the perspective of a narrative and relational approach. We suggest that a narrative and relational approach to ethics brings to light concerns that principlism can overlook.</p> <p>Discussion</p> <p>The justification most commonly used to incorporate screening is that the potential benefits of identifying intervention efficacy balance the risk of individual harm. However, considerable risks do exist. The discovery of new information may result in further depression or worries, people might feel burdened, open to further risk, unsure of whether to disclose information to family members and disappointed if they are allocated to a control group. This raises questions about study design and whether the principle of equipoise remains an adequate justification in studies with vulnerable groups. In addition, autonomy is said to be respected because participants give informed consent to participate. However, the context of where recruitment is undertaken has been shown to influence how people make decisions.</p> <p>Summary</p> <p>The four principles have been subjected to criticisms in recent years but they remain prominent in public health and medical research. We provide a set of simple, interrogative questions that are narrative and relationally driven which may assist to further evaluate the potential impacts of using screening to identify eligible research participants in intervention studies. A narrative and relational based approach requires seeing people as situated within their social and cultural contexts, and as existing within relationships that are likely to be affected by the results of screening information.</p
(Re)conceptualising physical activity participation as career
Physical activity is increasingly positioned as playing an important role in preventing and mitigating many of the decrements associated with biological ageing. As a result, public health messages encourage older people to remain active in later life. Despite this, physical activity participation rates among older adults are low. This may be in part related to the conventional approach to understanding physical activity participation as a product of motivation. We contend that this approach does not allow for a deeper exploration of the wider structural, historical and discursive contexts in which physical activity participation occurs. Therefore, we propose that physical activity can be reconceptualised as a career. Through a synthesis of findings from four studies exploring physical activity experiences in later life, we demonstrate that beginning and maintaining a physical activity career requires a disposition towards physical activity, the legitimation of physically active practices and dealing with contingencies. In addition, we demonstrate that maintaining a physical activity career requires investment and deliberation to adapt physical activity practices continually within an individual's own personal biography. As such, we conclude that current strategies to promote physical activity to older adults are unlikely to result in increased levels of participation. To promote physical activity to older adults an understanding of how structural, cultural and historical contexts influence participation is needed
Embedding effective depression care: using theory for primary care organisational and systems change
Background: depression and related disorders represent a significant part of general practitioners (GPs) daily work. Implementing the evidence about what works for depression care into routine practice presents a challenge for researchers and service designers. The emerging consensus is that the transfer of efficacious interventions into routine practice is strongly linked to how well the interventions are based upon theory and take into account the contextual factors of the setting into which they are to be transferred. We set out to develop a conceptual framework to guide change and the implementation of best practice depression care in the primary care setting.Methods: we used a mixed method, observational approach to gather data about routine depression care in a range of primary care settings via: audit of electronic health records; observation of routine clinical care; and structured, facilitated whole of organisation meetings. Audit data were summarised using simple descriptive statistics. Observational data were collected using field notes. Organisational meetings were audio taped and transcribed. All the data sets were grouped, by organisation, and considered as a whole case. Normalisation Process Theory (NPT) was identified as an analytical theory to guide the conceptual framework development.Results: five privately owned primary care organisations (general practices) and one community health centre took part over the course of 18 months. We successfully developed a conceptual framework for implementing an effective model of depression care based on the four constructs of NPT: coherence, which proposes that depression work requires the conceptualisation of boundaries of who is depressed and who is not depressed and techniques for dealing with diffuseness; cognitive participation, which proposes that depression work requires engagement with a shared set of techniques that deal with depression as a health problem; collective action, which proposes that agreement is reached about how care is organised; and reflexive monitoring, which proposes that depression work requires agreement about how depression work will be monitored at the patient and practice level. We describe how these constructs can be used to guide the design and implementation of effective depression care in a way that can take account of contextual differences.Conclusions: ideas about what is required for an effective model and system of depression care in primary care need to be accompanied by theoretically informed frameworks that consider how these can be implemented. The conceptual framework we have presented can be used to guide organisational and system change to develop common language around each construct between policy makers, service users, professionals, and researchers. This shared understanding across groups is fundamental to the effective implementation of change in primary care for depressio
Sitting as a moral practice: older adults’ accounts from qualitative interviews on sedentary behaviours
Amidst public health campaigns urging people to sit less as well as being more physically active, this paper investigates how older adults make sense of their sedentary behaviour. Using an accounts framework focusing on how people rationalise their sitting practices, we analysed data from 44 qualitative interviews with older adults. All interviewees had received information about sedentary behaviour and health, visual feedback on their own objectively measured sitting over a week and guidance on sitting less. Participants used accounts to position sitting as a moral practice, distinguishing between ‘good’ (active/‘busy’) and ‘bad’ (passive/‘not busy’) sitting. This allowed them to align themselves with acceptable (worthwhile) forms of sitting and distance themselves from other people whose sitting they viewed as less worthwhile. However, some participants also described needing to sit more as they got older. The findings suggest that some public health messaging may lead to stigmatisation around sitting. Future sedentary behaviour guidelines and public health campaigns should consider more relatable guidelines that consider the lived realities of ageing, and the individual and social factors that shape them. They should advocate finding a balance between sitting and moving that is appropriate for each person
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Innate immune activation in neonatal tracheal aspirates suggests endotoxin-driven inflammation
Background:: Tracheal aspirates (TAs) from critically ill neonates accumulate bacterial endotoxin and demonstrate mobilization of endotoxin-binding proteins, but the potential bioactivity of endotoxin in TAs is unknown. We characterized innate immune activation in TAs of mechanically ventilated neonates. Methods: Innate immune activation in TAs of mechanically ventilated neonates was characterized using a targeted 84-gene quantitative real-time (qRT) PCR array. Protein expression of cytokines was confirmed by multiplex assay. Expression and localization of the endotoxin-inducible antimicrobial protein Calgranulin C (S100A12) was assessed by flow cytometry. Endotoxin levels were measured in TA supernatants using the Limulus amoebocyte lysate assay. Results:: Analyses by qRT-PCR demonstrated expression of pattern recognition receptors, Toll-like receptor-nuclear factor κB and inflammasome pathways, cytokines/chemokines and their receptors, and anti-infective proteins in TA cells. Endotoxin positivity increased with postnatal age. As compared with endotoxin-negative TAs, endotoxin-positive TAs demonstrated significantly greater tumor necrosis factor (TNF), interleukin (IL)-6, IL-10, and serpin peptidase inhibitor, clade E, member 1 (SERPINE1) mRNA, and IL-10, TNF, and IL-1β protein. Expression of S100A12 protein was localized to TA neutrophils. Conclusion:: Correlation of endotoxin with TA inflammatory responses suggests endotoxin bioactivity and the possibility that endotoxin antagonists could mitigate pulmonary inflammation and its sequelae in this vulnerable population
What do older people do when sitting and why? Implications for decreasing sedentary behaviour
Background and Objectives:
Sitting less can reduce older adults’ risk of ill health and disability. Effective sedentary behavior interventions require greater understanding of what older adults do when sitting (and not sitting), and why. This study compares the types, context, and role of sitting activities in the daily lives of older men and women who sit more or less than average.
Research Design and Methods:
Semistructured interviews with 44 older men and women of different ages, socioeconomic status, and objectively measured sedentary behavior were analyzed using social practice theory to explore the multifactorial, inter-relational influences on their sedentary behavior. Thematic frameworks facilitated between-group comparisons.
Results:
Older adults described many different leisure time, household, transport, and occupational sitting and non-sitting activities. Leisure-time sitting in the home (e.g., watching TV) was most common, but many non-sitting activities, including “pottering” doing household chores, also took place at home. Other people and access to leisure facilities were associated with lower sedentary behavior. The distinction between being busy/not busy was more important to most participants than sitting/not sitting, and informed their judgments about high-value “purposeful” (social, cognitively active, restorative) sitting and low-value “passive” sitting. Declining physical function contributed to temporal sitting patterns that did not vary much from day-to-day.
Discussion and Implications:
Sitting is associated with cognitive, social, and/or restorative benefits, embedded within older adults’ daily routines, and therefore difficult to change. Useful strategies include supporting older adults to engage with other people and local facilities outside the home, and break up periods of passive sitting at home
Annual Cycle of Turbulent Dissipation Estimated from Seagliders
The rate of dissipation of turbulent kinetic energy is estimated using Seaglider observations of vertical water velocity in the midlatitude North Atlantic. This estimate is based on the large‐eddy method, allowing the use of measurements of turbulent energy at large scales O(1–10 m) to diagnose the rate of energy dissipated through viscous processes at scales O(1 mm). The Seaglider data considered here were obtained in a region of high stratification (1 × 10−4<N < 1×10−2s−1), where previous implementations of this method fail. The large‐eddy method is generalized to high‐stratification by high‐pass filtering vertical velocity with a cutoff dependent on the local buoyancy frequency, producing a year‐long time series of dissipation rate spanning the uppermost 1,000 m with subdaily resolution. This is compared to the dissipation rate estimated from a moored 600 kHz acoustic Doppler current profiler. The variability of the Seaglider‐based dissipation correlates with one‐dimensional scalings of wind‐ and buoyancy‐driven mixed‐layer turbulence.
Plain Language Summary
Measuring ocean turbulence is crucial for understanding how heat and carbon dioxide are transferred from the atmosphere to the deep ocean. However, measurements of ocean turbulence are sparse. Here autonomous Seagliders are used to estimate turbulence in the surface kilometer of the North Atlantic Ocean. Using an estimate of the vertical water velocity from the flight of the Seaglider through the water, we estimate turbulence by assuming the energy of the largest turbulent fluctuations is representative of the energy dissipated at molecular scales. This approach has been used previously in an ocean region where the vertical gradient of density is small. Our results show that this previous approach fails when the vertical density gradient increases, as it does not account for other processes that are unrelated to turbulence. We introduce a generalized method that isolates only the turbulent processes by accounting for the strength of the vertical density gradient. We show that this new estimate agrees with other turbulence measurements. Our estimate also agrees well with a simple estimates of turbulence from atmospheric processes. This study therefore presents method that can be applied to existing and new Seaglider data to greatly increase our measurements of ocean turbulence
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