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At least 343 records · Page 19Linked to original sources
PubMed1998

The coevolution of human fertility and wealth inheritance strategies.

Life history theory concerns the scheduling of births and the level of parental investment in each offspring. In most human societies the inheritance of wealth is an important part of parental investment. Patterns of wealth inheritance and other reproductive decisions, such as family size, would be expected to influence each other. Here I present an adaptive model of human reproductive decision-making, using a state-dependent dynamic model. Two decisions made by parents are considered: when to have another baby, and thus the pattern of reproduction through life; and how to allocate resources between children at the end of the parents' life. Optimal decision rules are those that maximize the number of grandchildren. Decisions are assumed to depend on the state of the parent, which is described at any time by two variables: number of living sons, and wealth. The dynamics of the model are based on a traditional African pastoralist system, but it is general enough to approximate to any means of subsistence where an increase in the amount of wealth owned increases the capacity for future production of resources. The model is used to show that, in the unpredictable environment of a traditional pastoralist society, high fertility and a biasing of wealth inheritance to a small number of children are frequently optimal. Most such societies are now undergoing a transition to lower fertility, known as the demographic transition. The effects on fertility and wealth inheritance strategies of reducing mortality risks, reducing the unpredictability of the environment and increasing the costs of raising children are explored. Reducing mortality has little effect on completed family sizes of living children or on the wealth they inherit. Increasing the costs of raising children decreases optimal fertility and increases the inheritance left to each child at each level of wealth, and has the potential to reduce fertility to very low levels. The results offer an explanation for why wealthy families are frequently also those with the smallest number of children in heterogeneous, post-transition societies.

Africa↗
PubMed1994

Outsourcing therapy services. A strategy for professional autonomy.

Explores the problems and opportunities for professions allied to medicine (PAMS) in the new NHS internal market. Uses a mechanism from IT, namely outsourcing, to provide a new organizational model for the effective delivery of care by this group of professionals who are marginalized by the new role of the doctor as manager.

Allied Health Personnel↗
PubMedDate not supplied

The health promotion of aging workers from the perspective of occupational health professionals.

OBJECTIVES: This study defines and describes, from the perspective of occupational health professionals, (a) the aging worker, (b) health promotion for aging workers, (3) employees' health-promoting activities, (4) workplace health promotion factors, (5) occupational health promotion activities, (6) co-partners supporting the health promotion, and (7) the impact of health promotion activities for older workers. A model is proposed, based on these issues. DESIGN: A cross-sectional, qualitative design was used to analyze e-mailed essays. Content analysis of the essays yielded themes that were validated by an independent research colleague. SAMPLE: Ten group essays from 16 occupational health professionals who had participated in the Health Promotion Project of Aging Workers in Northern Karelia, Finland were received. RESULTS: An aging employee was defined as a mature worker. Health promotion was defined as early prevention of the influence of health hazards. Workers can improve their health through living habits, positive attitude, personal relationships, and education. Individual work arrangements, good work atmosphere, and appreciative leadership were essential factors for the health of workers. Occupational health professionals supported workers by health examinations, workplace visits, counseling, and organizing activities. CONCLUSIONS: The impacts of health promotion activities were better health, productivity, and work satisfaction.

Adult↗
PubMed2006

The health promotion model as assessed by ageing workers.

AIMS: This study describes qualitatively ageing workers and their health promotion. It also describes quantitatively the importance of individual, workplace and occupational health promoting factors, the impact of health promotion and the contributions of the other co-partners promoting the health of ageing workers. These form the foundation for a model of health promotion. BACKGROUND: Very little is known about the health promotion factors exclusively focused at ageing workers. METHODS: A pretested questionnaire with structured and some open-ended questions were devised to form the basis of qualitative data and sent to 150 ageing workers, of whom 93 (62%) returned it. Qualitative data were analysed by content analysis. Statistical analyses were performed using frequencies and means. RESULTS: Over 90% of respondents stated that health habits, individual arrangements at the workplace, a good workplace spirit, health checks, counselling and access to nursing care were important factors for health promotion. Better health (99%), work satisfaction (95%) and motivation of employees (96%) were the factors impacting on health promotion. Ageing workers stated that health and safety organization (94%) and rehabilitation institutes (93%) were the most important co-partners. CONCLUSIONS: This study confirms extremely high importance of different health promotion factors, their impact and some co-partners. Health problems, early retirement and work absenteeism are rather common in ageing workers. If we are to avoid these problems, it is important to support their work ability effectively and systematically to allow these workers to stay employed until the normal retirement age. Relevance to clinical practice. It is necessary, that management appreciate the benefits of ageing workers; they have to take a positive attitude toward these workers and participate more effectively in their health promotion. Occupational health professionals play a key role in training workers and management to undertake the required measures.

Absenteeism↗
PubMedDate not supplied

Estimating the cost-effectiveness of quality-improving interventions in oral anticoagulation management within general practice.

OBJECTIVES: A clinical trial, "Belgian Improvement Study on Oral Anticoagulation Therapy (BISOAT)," significantly improved the quality after implementing four different quality-improving interventions in four randomly divided groups of general practitioners (GPs). The quality-improving interventions consisted of multifaceted education with or without feedback reports on their performance, international normalized ratio (INR) testing by the GP with a CoaguChek device or computer-assisted advice for adapting oral anticoagulation therapy. The quality improvement in INR control versus baseline was similar in the four groups. The aim of the current study was to calculate the cost-effectiveness and influencing factors of the four quality-improving interventions compared with usual care. METHODS: Activity-based costing techniques with questionnaires were used to determine the global costs per patient per month in the different intervention groups. Effectiveness data were obtained from the BISOAT study. Cost-effectiveness was expressed as cost per additional day within a 0.5 range from INR target. RESULTS: The one-time cost of multifaceted education was 49,997 euro for the whole study. Monthly continuous costs per intervention ranged between 37 euro and 54 euro per patient. Using the CoaguChek in combination with the multifaceted education was associated with net savings and quality improvement, hence dominated usual care. Sensitivity analyses showed improved cost-effectiveness with extended duration and with increased program size. CONCLUSION: Implementation of the combination multifaceted education with the use of the CoaguChek is a cost-effective new organizational model of oral anticoagulation management in general practice.

Administration, Oral↗
PubMed2004

The KwaZulu-Natal health promotion model.

PURPOSE: To describe a health promotion model aimed at assisting primary health care nurses to incorporate health promotion into their practice. ORGANIZING STRUCTURE: The model is based on empowering people through a systematic, planned, needs-driven curriculum with comprehensive content, using interactive teaching in small groups, and linking the groups with external resources. The process involves identifying and engaging partners, planning the project, implementing it, and then disengaging. METHODS: The implementation of this model in a province of South Africa, KwaZulu-Natal, in a collaborative project involving two universities and the state health services, changed the practice of the primary health care nurses involved. They worked with women's groups over 3 years and changed both their own perspectives and the lives of the women. CONCLUSIONS: Unless nurses have an implementation model available to them, they frequently focus only on illness needs of people and do not participate in health promotion.

Black People↗
PubMedDate not supplied

Expert in fertility appreciation: the Creighton Model practitioner.

The Creighton Model system of natural family planning (NFP) is useful in achieving pregnancy, avoiding pregnancy, and detecting some gynecologic disorders. NFP practitioners support the client in using NFP. Because the effectiveness of NFP is related to the teaching process and to teacher expertise, clients choosing NFP may be best served by referral to a certified NFP practitioner for instruction.

Certification↗
PubMed2005

Modeling the emergency ambulance pass-by of small rural hospitals in Victoria, Australia.

CONTEXT: Many small rural hospitals struggle to attract sufficient numbers of suitable patients. Inadequate patient throughput threatens the viability of these hospitals and, consequently, the financial, physical, and social well-being of the whole community. Anecdotal evidence suggests that many emergency ambulance patients are routinely taken past their local small rural hospital to the area's major receiving hospital. PURPOSE: To quantify the ambulance pass-by of local small rural hospitals and identify the factors that influence its occurrence. METHODS: Data were collected from the ambulance and hospital records of 3 small rural centers in central Victoria, Australia. RESULTS: Ambulances transport a significant number of patients past their local small rural hospitals to the area's major receiving hospital. This takes less time for paramedics than bringing a patient to the local hospital first if the patient is then redirected by that hospital to the larger hospital. There is an inverse relationship between the rate of cases in which the local hospital redirects ambulances to the regional hospital and the rate of ambulance crew decisions to use the local hospital. CONCLUSIONS: If some patients are being transported directly to the major receiving hospital because paramedics are considering their own time commitments when making patient transport decisions, this could have revenue implications for rural hospitals. Attracting appropriate local ambulance patients to the smaller hospitals may provide an income source that is currently lost to the crowded major receiving hospital's emergency department.

Ambulances↗
PubMed1998

Obstacles to timely neonatal screening in North Thames.

OBJECTIVE: To assess the timeliness of neonatal (Guthrie card) screening in North Thames, and to identify the most effective ways of improving it. DESIGN: Analysis of information routinely collected in the course of neonatal screening; reanalysis of published data on blood phenylalanine concentration in phenylketonuria (PKU) over the first two weeks; simulation studies on the impact of different interventions. SUBJECTS: 100,690 infants born over one year and screened at Great Ormond Street Hospital NHS Trust. OUTCOME MEASURE: Interval between birth and reading PKU screen results. RESULTS: Although 75% of samples (district range 55-91%) were collected by day 7, only 81% had arrived in the laboratory seven days later (range 57-96%). The average interval between birth and reading results was 14.5 days, with only 9.7% read by day 10. Samples could be collected from day 4 without significant impact on false negative rates for PKU. If samples were collected from day 4 and posted promptly (second class), the average interval between birth and reading results could be reduced to 9.3 days. If first class mail were used and the laboratory operated on Saturdays, and used assays that could be read the same day rather than bacterial inhibition assays, the average would be 7.8 days, with 96% read by day 10. CONCLUSION: Timeliness of neonatal screening shows unacceptable variation between districts, and delays in dispatch of specimens to the laboratory. Same day, first class posting should be introduced, and samples could be collected between days 4 and 8.

Blood Specimen Collection↗
PubMed2001

Differential control of sympathetic outflow.

With advances in experimental techniques, the early views of the sympathetic nervous system as a monolithic effector activated globally in situations requiring a rapid and aggressive response to life-threatening danger have been eclipsed by an organizational model featuring an extensive array of functionally specific output channels that can be simultaneously activated or inhibited in combinations that result in the patterns of autonomic activity supporting behavior and mediating homeostatic reflexes. With this perspective, the defense response is but one of the many activational states of the central autonomic network. This review summarizes evidence for the existence of tissue-specific sympathetic output pathways, which are likely to include distinct populations of premotor neurons whose target specificity could be assessed using the functional fingerprints developed from characterizations of postganglionic efferents to known targets. The differential responses in sympathetic outflows to stimulation of reflex inputs suggest that the circuits regulating the activity of sympathetic premotor neurons must have parallel access to groups of premotor neurons controlling different functions but that these connections vary in their ability to influence different sympathetic outputs. Understanding the structural and physiological substrates antecedent to premotor neurons that mediate the differential control of sympathetic outflows, including those to noncardiovascular targets, represents a challenge to our current technical and analytic approaches.

Adipose Tissue, Brown↗
PubMed2001

Acute care in stroke: do stroke units make the difference?

The consideration of stroke as a medical emergency and the development of new specific treatments to be applied in a narrow therapeutic window have shown the need to establish an adequate organization system for the management of stroke. It should be considered as an integral process both outside and inside the hospital. General care is essential and must already start outside the hospital, and comprises respiratory and cardiac care, fluid and metabolic management, especially blood glucose control, avoiding the administration of glucose solutions, blood pressure control, early treatment of hyperthermia and prevention and treatment of neurologic and systemic complications. In the early 70s, the first stroke units (SU) were established as intensive-care SU, but failed to show improvement in terms of reduction of mortality-morbidity. Nowadays, the concept has changed to a non-intensive-care SU. The benefit of these SU has been amply demonstrated in terms of reduction in mortality and in long institutionalization, as well as better functional outcome compared with general wards, and the efficacy of a neurology ward compared to a general medicine department has also been shown, but at the moment there are no studies analyzing the differences between a stroke team (ST) in a department of neurology and a SU. In this regard, we have performed a sequential analysis comparing both SU and ST and demonstrated a reduction in length of stay, complications and acute care costs with an improvement in functional state at hospital discharge, a reduction in the discharge to nursing homes with an increase in patients translated into rehabilitation wards. With these data, we can conclude that SU, not ST are the most effective organizational model for acute stroke management. Definitely, the SU make the difference.

Acute Disease↗
PubMed1984

A national survey of prepaid mental health services.

The degree to which mental health services and coverage have been integrated into prepaid health plans (PHPs) on a national level is unknown. Using two self-administered mail questionnaires, the authors obtained descriptive data on the organization and delivery of mental health services within 205 PHPs throughout the United States and Guam. After discussing the growth of PHPs in the United States and the development of prepaid mental health services, the authors analyze the survey data using the PHP as the unit of analysis. Although 94 percent of the PHPs in the survey offered mental health benefits as part of their basic health plan, the authors found that the varied organizational characteristics of both the PHPs and their mental health components may have affected the specific mental health services provided as well as their costs, utilization, and referral patterns. The authors believe that further analysis of the various PHP organizational models is necessary to understand the utilization and costs of prepaid mental health services.

Data Collection↗
PubMed1988

Admission to general hospital psychiatric wards in Italy. 1. A comparison between two catchment areas with differing provision of outpatient care.

Epidemiological comparisons carried out in Italian settings regarded very different areas. In this paper, we investigate the effects on the hospital activity of two different organizational models of care in two neighbouring areas in Northern Italy, Cremona and Mantua, very similar in sociodemographic features. Cremona is hospital oriented, while Mantua has well developed community services. All the patients of the catchment areas admitted during 1986 were studied. Age distribution for males, marital status, education and percentage of employed were very similar in the two samples. However, age distribution and mean age at the time of the first ever psychiatric admission for females were different, as well as the percentage of patients living alone and the percentage of patients discharged home. But the cogent finding was the number of admissions, much higher in Cremona than in Mantua, especially for some age groups. Some explanations of this strong difference, regarding two neighbouring and similar areas, are discussed.

Adolescent↗
PubMed1989

A cost-effectiveness evaluation of primary health care projects for the poor.

A cost-effectiveness analysis was conducted to determine the relative efficacy of nine primary health care projects serving low income persons in urban and rural areas of Texas. The projects were created as part of a government program to provide services in medically underserved areas of the state by contracting with local public and private providers. While they vary widely in terms of sponsoring organizations, service strategy, and scope of services, the projects share a similar goal of providing an array of basic medical and preventive care services to the poor. This study compares the average cost per encounter for diagnosis/treatment, emergency, family planning, and preventive health screening services provided by the various projects during the first year of operation. After adjusting for differences in input prices and patient volume, the cost differences are examined and related to organizational model and personnel mix. Those projects with the highest ratio of nonphysician to physician practitioners proved more cost-effective, as did those projects following the public clinic model of service delivery.

Community Health Centers↗
PubMedDate not supplied

Alleviating the suffering of seriously ill children.

Modern medicine has largely focused on the physical aspects of disease, aggressively attacking the illness, often at the expense of caring for pain and suffering. Medical interventions based solely on the diagnosis and treatment of disease limit the medical care of the severely ill child. Such an approach is particularly detrimental when caring for the terminally ill. Successful care of children with chronic, life-threatening, or terminal illnesses requires a comprehensive assessment of their physical, psychological, and spiritual needs as well as a process of collaboration between members of the multiple disciplines involved in the care of the patient and the family unit as a whole. Supportive/palliative care serves as a bridge between a scientific (disease-oriented) and humanistic (person-oriented) approach to patient care. Bridging this gap early in the course of life-threatening illness is essential for successful palliative intervention to relieve suffering and improve the quality of life for the child and his or her family. A model that introduces supportive, palliative, and hospice services into the mainstream of medical therapy is emphasized as a standard for the care of all children with significant chronic, life-threatening, or terminal illness. This article expands on a previous paper published in the American Journal of Hospice & Palliative Care (Kane JR, Barber RG, Jordan M, et al.: Supportive/palliative care of children suffering from life-threatening and terminal illness. May/June 2000; 17(3): 165-172).

Age Factors↗
PubMed2000

Using communicative action in the primary prevention of cancer.

The primary prevention of disease, including cancer, has been a major part of health promotion and health education for decades. However, the long-term results of these strategies have been mixed, and primary prevention as an instrument of cancer control continues to fail to live up to either public or professional expectations. The authors identify and critique two possible factors contributing to this failure and then offer a model for the development and implementation of primary prevention strategies that addresses these factors. The model used is based on Habermas's theory of communicative action and recognizes the importance of a critical dialogue in health education and health promotion. The primary prevention programs currently being conducted by the Cancer Centre for the Southern Interior are presented as an example of the model in action.

British Columbia↗