8,915 research outputs found
Navigating later life transitions: An evaluation of emotional and psychological interventions
Transitions in later life, for instance retiring from paid work, changing career, ending or starting a relationship, can have a major impact on people’s lives and their wellbeing. Recognising a gap in preventative support for transitions such as these, the Calouste Gulbenkian Foundation (CGF; UK Branch) has funded a number of projects that provide group-based psychological and emotional support as part of its Transitions in Later Life (TiLL) programme. CGF and the Centre for Ageing Better partnered on the evaluation of two of these courses — Working Longer and Living Life to the Full, a two-day course run by Cheshire and Wirral Partnership NHS Foundation Trust (CWP) and Changing Gears, a three-day course run by Age & Opportunity in Dublin, Ireland. The aim of the evaluation was to find out what impact the courses had on individual attributes that would help people be better prepared for later life transitions; what changes people make as a result of the courses; and what practice, resources or processes in the organisations are important in ensuring their implementation and efficacy
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Patients, Professionals and the Internet: Renegotiating the Healthcare Encounter
The aim of this research was to examine how patient use of internet information impinges on the utilisation of healthcare services. The research had the following objectives:
+ to quantify the extent, and patterns, of patients use of the internet as a health information resource and identify the factors leading to variations in behaviour.
+ to identify the search strategies employed by patients in accessing internet health information internet and the evaluative approaches used in assessing information quality.
+ to analyse the content and dynamics of virtual health communities and how participation in such communities is integrated into engagement with health services.
+ to document the evolving nature of patient-professional interaction arising from patient access to health information and the subsequent format of the healthcare encounter.
+ to assess the effect of changing patient access to information and changes in the healthcare encounter on patterns of patient decision making and health behaviours
A two phase study to revise the Australian Practice Standards for Specialist Critical Care Nurses
Background: Observational work to develop the ACCCN Competency Standards was undertaken more than 20 years ago. Since then the landscape of critical care nursing as a specialty has changed and it is not known if the Competency Standards reflected contemporary practice. Objectives: To revise the ACCCN Competency Standards for Specialist Critical Care Nurses to ensure they continue to meet the needs of critical care nurses and reflect current practice. Methods: A two-phased project was undertaken. In Phase I focus groups were held in all states. Thematic analysis was conducted using two techniques. The standards were revised based on the main themes. Phase II consisted of an eDelphi technique. A national panel of critical care nurses responded to three survey rounds using a 7 point likert-type scale to indicate their level of agreement with the revised standards. A 70% agreement level for each statement was determined a priori. Results: Phase I: 12 focus groups (79 participants) were conducted. Phase II: A panel of specialist critical care nurses (research, management, clinical practice and education) responded to round 1 (n = 64), round 2 (n = 56), and round 3 (n = 40). Fifteen practice standards with elements and performance criteria were grouped into four domains (professional practice, provision and coordination of care, critical thinking and analysis, collaboration and leadership). The revised Practice Standards for Specialist Critical Care Nurses build upon and are additional to the Nursing & Midwifery Board of Australia National Competency Standards for Registered Nurses. The standards reflect contemporary critical care nurse practices using an expanded range of technologies to care for complex critically ill patients across the lifespan in diverse settings. Conclusion: The national study has resulted in the 3rd edition of the Practice Standards for Specialist Critical Care Nurses. There was input from stakeholders and agreement that the revised standards capture contemporary Australian critical care nursing practice
On Quantum Statistical Inference, I
Recent developments in the mathematical foundations of quantum mechanics have
brought the theory closer to that of classical probability and statistics. On
the other hand, the unique character of quantum physics sets many of the
questions addressed apart from those met classically in stochastics.
Furthermore, concurrent advances in experimental techniques and in the theory
of quantum computation have led to a strong interest in questions of quantum
information, in particular in the sense of the amount of information about
unknown parameters in given observational data or accessible through various
possible types of measurements. This scenery is outlined (with an audience of
statisticians and probabilists in mind).Comment: A shorter version containing some different material will appear
(2003), with discussion, in J. Roy. Statist. Soc. B, and is archived as
quant-ph/030719
Non-exercise equations to estimate fitness in white European and South Asian men
Cardiorespiratory fitness is a strong, independent predictor of health, whether it is measured in an exercise test or estimated in an equation. The purpose of this study was to develop and validate equations to estimate fitness in middle-aged white European and South Asian men.Multiple linear regression models (n=168, including 83 white European and 85 South Asian men) were created using variables that are thought to be important in predicting fitness (VO2 max, mL⋅kg⋅min): age (years); BMI (kg·m); resting heart rate (beats⋅min); smoking status (0=never smoked, 1=ex or current smoker); physical activity expressed as quintiles (0=quintile 1, 1=quintile 2, 2=quintile 3, 3=quintile 4, 4=quintile 5), categories of moderate- to vigorous-intensity physical activity (0=<75 min⋅wk, 1=75-150 min⋅wk, 2=>150-225 min⋅wk, 3=>225-300 min⋅wk, 4=>300 min⋅wk), or minutes of moderate- to vigorous-intensity physical activity (min⋅wk); and, ethnicity (0=South Asian, 1=white). The leave-one-out-cross-validation procedure was used to assess the generalizability and the bootstrap and jackknife resampling techniques were used to estimate the variance and bias of the models.Around 70% of the variance in fitness was explained in models with an ethnicity variable, such as: VO2 max = 77.409 - (age*0.374) - (BMI*0.906) - (ex or current smoker*1.976) + (physical activity quintile coefficient) - (resting heart rate*0.066) + (white ethnicity*8.032), where physical activity quintile 1 is 1, 2 is 1.127, 3 is 1.869, 4 is 3.793, and 5 is 3.029. Only around 50% of the variance was explained in models without an ethnicity variable. All models with an ethnicity variable were generalizable and had low variance and bias.These data demonstrate the importance of incorporating ethnicity in non-exercise equations to estimate cardiorespiratory fitness in multi-ethnic populations
Prospective relationships between body weight and physical activity: an observational analysis from the NAVIGATOR study
Objectives: While bidirectional relationships exist between body weight and physical activity, direction of causality remains uncertain and previous studies have been limited by self-reported activity or weight and small sample size. We investigated the prospective relationships between weight and physical activity.
Design: Observational analysis of data from the Nateglinide And Valsartan in Impaired Glucose Tolerance Outcomes Research (NAVIGATOR) study, a double-blinded randomised clinical trial of nateglinide and valsartan, respectively.
Setting Multinational study of 9306 participants.
Participants: Participants with biochemically confirmed impaired glucose tolerance had annual measurements of both weight and step count using research grade pedometers, worn for 7 days consecutively. Along with randomisation to valsartan or placebo plus nateglinide or placebo, participants took part in a lifestyle modification programme.
Outcome measures: Longitudinal regression using weight as response value and physical activity as predictor value was conducted, adjusted for baseline covariates. Analysis was then repeated with physical activity as response value and weight as predictor value. Only participants with a response value preceded by at least three annual response values were included.
Results: Adequate data were available for 2811 (30%) of NAVIGATOR participants. Previous weight (χ2=16.8; p<0.0001), but not change in weight (χ2=0.1; p=0.71) was inversely associated with subsequent step count, indicating lower subsequent levels of physical activity in heavier individuals. Change in step count (χ2=5.9; p=0.02) but not previous step count (χ2=0.9; p=0.34) was inversely associated with subsequent weight. However, in the context of trajectories already established for weight (χ2 for previous weight measurements 747.3; p<0.0001) and physical activity (χ2 for previous step count 432.6; p<0.0001), these effects were of limited clinical importance.
Conclusions: While a prospective bidirectional relationship was observed between weight and physical activity, the magnitude of any effect was very small in the context of natural trajectories already established for these variables
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