Spatial and Temporal Analysis of Island Morphology in Lower Pool 18 of the Mississippi River

The Upper Mississippi River System has a significant trend in island loss due to river engineering structures. However, Lower Pool 18 is observed as a counterexample to the island loss pattern with its island development near Lock and Dam 18 during the past 80 years. This research is modeled after a study done in Lower Pool 6 of the Upper Mississippi River where an island development was found to contradict the island loss prevalence. The Lower Pool 18 research’s goal is to map, describe, and explain spatial patterns of islands growth, persistence and loss. Historical maps and aerial photographs of the islands, throughout the time period of before the lock and dams were implemented up until today, will be used as the main source of data. Visual analysis, descriptive analysis, and a preliminary explanation was completed to explain the spatial patterns of the islands’ morphology. Results have shown the spatial growth of the Lower Pool 18 islands to be significant as well as the pattern in which it occurs. Historic flooding levels and human engineering sources are possible contributors to this particular instance of island growth. These findings will aid river managers in future decision making on engineering and restoration plans. The results will also serve as another counterexample to the island loss pattern, and will result in a better understanding of the Mississippi River

Developing Social Work Interviewing Skills through a Micro-Video Analysis Training Program

Effective interviewing techniques are required for successful social work practice. Consequently, mastering this relatively complex technology is vital for both social work students and agency professionals. This article will provide a descriptive analysis of the Micro-Video Analysis Training Program which may be operationalized in either an academic classroom or agency. Also discussed are the primary components of the training program and their inter-relationships within the context of the Micro-Video Analysis approach. Hopefully this material will assist those with social work education responsibilities to teach interviewing skills more effectively

Role of State Government in Census Related Matters

There are a number of relationships the Census Bureau maintains with each state. States take various approaches in managing these roles. This session explores the various state’s roles established with the Census Bureau and differences in approaches states take in maintaining the relationships as well as some of the advantages and disadvantages of each. The session will also explore areas in which the state can impact the outcomes of Census Bureau’s surveys, estimates and counts to provide for more accurate data. Lastly, the session will examine actions the state can take between now and 2020 to enhance the prospect of a more accurate census

Physician Communication Skills: Results of a Survey of General/Family Practitioners in Newfoundland

Purpose: To describe the attitudes related to communication skills, confidence in using commnication skills, and use of communication skills during the physician-patient encounter among a population-based sample of family physicians. Procedures: A mailed survey, distributed to all family physicians and general practitioners currently practicing in Newfoundland. The questionnaire was designed to collect data in five general areas participant demographics, physician confidence in using specific communication strategies, perceived adequacy of time spent by physicians with their patients, physician use of specific communication strategies with the adult patients they saw in the prior week, and physician use of specific communication strategies during the closing minutes of the encounters they had with adult patients in the prior week. Main Findings: A total of 160 completed surveys was received from practicing family physicians/general practitioners in Newfoundland, yielding an adjusted response rate of 43.1%. Most of the respondents (83.8%) indicated their communication skills are as important as technical skills in terms of achieving positive patient outcomes. Between one-third and one-half of the respondents, depending on the educational level queried, rated their communications skills training as being inadequate. Fewer than 20% of the respondents rated the communications skills training they received as being excellent. Physicians indicated a need to improve their use of 8 of 13 specific communication strategies during patient encounters, and reported using few communication strategies during the closing minutes of the encounter. Interactions that occurred during a typical encounter tended to focus on biomedical versus psychosocial issues. Conclusions: Family physicians/general practitioners recognize a need to improve their commnications skills. Well-designed communications skills training programs should be implemented at multi-levels of physician training in order to improve patient satisfaction with their encounters with family/general practitioners, and to increase the likelihood of positive patient outcomes

Crystallographic studies of the Escherichia coli quinol-fumarate reductase with inhibitors bound to the quinol-binding site

The quinol-fumarate reductase (QFR) respiratory complex of Escherichia coli is a four-subunit integral-membrane complex that catalyzes the final step of anaerobic respiration when fumarate is the terminal electron acceptor. The membrane-soluble redox-active molecule menaquinol (MQH(2)) transfers electrons to QFR by binding directly to the membrane-spanning region. The crystal structure of QFR contains two quinone species, presumably MQH(2), bound to the transmembrane-spanning region. The binding sites for the two quinone molecules are termed Q(P) and Q(D), indicating their positions proximal Q(P)) or distal (Q(D)) to the site of fumarate reduction in the hydrophilic flavoprotein and iron-sulfur protein subunits. It has not been established whether both of these sites are mechanistically significant. Co-crystallization studies of the E. coli QFR with the known quinol-binding site inhibitors 2-heptyl-4-hydroxyquinoline-N-oxide and 2-[1-(p-chlorophenyl)ethyl] 4,6-dinitrophenol establish that both inhibitors block the binding of MQH(2) at the Q(P) site. In the structures with the inhibitor bound at Q(P), no density is observed at Q(D), which suggests that the occupancy of this site can vary and argues against a structurally obligatory role for quinol binding to Q(D). A comparison of the Q(P) site of the E. coli enzyme with quinone-binding sites in other respiratory enzymes shows that an acidic residue is structurally conserved. This acidic residue, Glu-C29, in the E. coli enzyme may act as a proton shuttle from the quinol during enzyme turnover

Depression and quality of life in cancer survivors: is there a relationship with physical activity?

<p>Abstract</p> <p>Background</p> <p>Evidence is growing on the benefit of physical activity to improve well-being following a cancer diagnosis. This study examined changes in physical activity from pre to post diagnosis and explored this relationship with quality of life and depression.</p> <p>Methods</p> <p>Participants were recruited by posters and by letter of invitation. The questionnaire was completed by 59 prostate and 32 breast cancer survivors.</p> <p>Results</p> <p>Physical activity decreased by 72 minutes per week from pre to post diagnosis, although 20.9% reported having increased activity post diagnosis. Over 30% were considered depressed. Breast cancer participants who increased physical activity post diagnosis reported higher scores for Physical Wellbeing subscale (26 versus 21; F[1,29] = 5.19, p < .03), Emotional Wellbeing subscale (22 versus 19; F[1,30] = 4.57, p < .04) and Functional Wellbeing subscale (26 versus 19; F[1,30] = 9.03, p < .001). A greater proportion of participants taking part in no physical activity were depressed (55.6%; χ²= 6.83, p < .04).</p> <p>Conclusion</p> <p>Over 25% of participants identified with emotional and/or well being problems, and more than half reported insufficient physical activity to yield benefits. Future research needs to gain a better understanding of why cancer survivors decrease their physical activity following a cancer diagnosis and what is necessary for them in order to retain or increase their physical activity.</p

Explaining Aviation Safety Incidents Using Deep Temporal Multiple Instance Learning

Although aviation accidents are rare, safety incidents occur more frequently and require a careful analysis to detect and mitigate risks in a timely manner. Analyzing safety incidents using operational data and producing event-based explanations is invaluable to airline companies as well as to governing organizations such as the Federal Aviation Administration (FAA) in the United States. However, this task is challenging because of the complexity involved in mining multi-dimensional heterogeneous time series data, the lack of time-step-wise annotation of events in a flight, and the lack of scalable tools to perform analysis over a large number of events. In this work, we propose a precursor mining algorithm that identifies events in the multidimensional time series that are correlated with the safety incident. Precursors are valuable to systems health and safety monitoring and in explaining and forecasting safety incidents. Current methods suffer from poor scalability to high dimensional time series data and are inefficient in capturing temporal behavior. We propose an approach by combining multiple-instance learning (MIL) and deep recurrent neural networks (DRNN) to take advantage of MIL's ability to learn using weakly supervised data and DRNN's ability to model temporal behavior. We describe the algorithm, the data, the intuition behind taking a MIL approach, and a comparative analysis of the proposed algorithm with baseline models. We also discuss the application to a real-world aviation safety problem using data from a commercial airline company and discuss the model's abilities and shortcomings, with some final remarks about possible deployment directions

The impact of self-efficacy on asthma management amongst older Australian adults

Rationale: Australian asthma rates are high by international standards causing greatest mortality amongst older adults. This paper looks at the relationships between perceived self-efficacy (belief in oneself) to manage the physical discomfort or pain caused by asthma and also the emotional distress caused by asthma and: reported health status; asthma quality of life for both mood and breathlessness; asthma management practices; and emergency health care use for asthma in adults aged 55 years and over. Methods: A 20 page survey exploring the health beliefs, behaviours and attitudes of older Australians, was mailed to 9,000 people, (response rate = 46.8%). Participants were recruited through a random sample obtained from the Australian Electoral Roll Office. Results: Correlations show that people who reported high physical or emotional self-efficacy were more likely to report better health and quality of life. They were less likely to report that asthma had interfered with their day-to-day activities or that they had utilised emergency health care for asthma. Regular asthma reviews with their general practitioner, owning an asthma action plan, having received asthma education and regularly monitoring asthma control did not appear to be related to self-efficacy. Summary: These results indicate that neither physical nor emotional self-efficacy are significantly correlated with popular asthma self-management strategies. However, both physical and emotional self-efficacy were significantly correlated with health rating, quality of life for breathlessness and mood and the impact of asthma on their day-to-day activities. Factors that increase older adults\u27 asthma self-efficacy need to be further investigated

Lattice-Boltzmann Method for Geophysical Plastic Flows

We explore possible applications of the Lattice-Boltzmann Method for the simulation of geophysical flows. This fluid solver, while successful in other fields, is still rarely used for geotechnical applications. We show how the standard method can be modified to represent free-surface realization of mudflows, debris flows, and in general any plastic flow, through the implementation of a Bingham constitutive model. The chapter is completed by an example of a full-scale simulation of a plastic fluid flowing down an inclined channel and depositing on a flat surface. An application is given, where the fluid interacts with a vertical obstacle in the channel.Comment: in W. Wu, R.I. Borja (Edts.) Recent advances in modelling landslides and debris flow, Springer Series in Geomechanics and Geoengineering (2014), ISBN 978-3-319-11052-3, pp. 131-14

Do Australian adolescent female fake tan (sunless tan) users practice better sun-protection behaviors than non-users?

Objective: To determine differences in sun-protection behaviours, and incidence of sunburn, between Australian adolescent female fake tan users and non-users. Design: Cross sectional survey. Method: 398 adolescent females aged 12 to 18 years participated in a survey at public venues, schools, and online. The main outcome measures were self-reported fake tan usage in the past 12 months, frequency of sunburns and habitual sun-protection behaviours. Setting: Surveys were completed in New South Wales, Australia. Results: The prevalence of self-reported use of fake tanning products in the past 12 months among Australian adolescent females was 34.5%. Female fake tan users were significantly less likely to report wearing a hat, wearing a shirt with sleeves or wearing pants covering to the knees. There was no difference between fake tan users and non-users in use of sunscreen, seeking shade, wearing sunglasses or avoidance of peak ultraviolet (UV) hours. Logistic regression modelling, when accounting for age, desire for a tan and skin type, revealed fake tan users were more likely to experience frequent sunburns and less likely to wear protective clothing. Conclusions: Our findings show that fake tan use among Australian female adolescents is associated with decreased sun protection, specifically reduced use of both upper and lower body protective clothing. Fake tan users were significantly more likely to experience repeated sunburns, after controlling for skin type. These findings provide impetus for the development of health education programmes targeting a new sub-group of adolescents with distinct tanning behaviours