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PubMed2006

Twelve-month prevalence, correlates, and treatment preference of adults with DSM-IV major depressive episode in Hong Kong.

BACKGROUND: The most recent large-scale community mental health survey of depression among adults in Hong Kong was conducted over two decades ago. The lifetime prevalence rates of DSM-III major depressive disorder (females 2.44% and males 1.29%) in that study do not tally with several indices of worsened social health and clinical prevalence studies of depression in contemporary Hong Kong. METHODS: Each of 5004 adults randomly drawn from the general population completed a telephone interview that generated the DSM-IV-based diagnosis of major depressive episode (MDE), sociodemography, help-seeking, and other epidemiological data. RESULTS: Twelve-month prevalence of MDE was 8.4%. The female-to-male ratio was low but typical of surveys in Chinese communities. Female sex and unemployment were associated with increased risk. 32.5% of respondents with MDE reported frequent thoughts of suicide. Recognition of the need for treatment of depression was high but actual treatment rate and preference for mental health specialists were low. LIMITATIONS: Response rate was low though cooperation rate was moderately high. Detailed demography, comorbidity, and clinical reappraisal interviews were not covered. CONCLUSIONS: Resolving issues of stigma and mode of symptom elicitation may lead to more valid prevalence estimates of depression among Chinese people. Although longitudinal studies are needed to confirm a genuine increase in prevalence, depression is likely to be more common in Hong Kong than previously suggested. High recognition of the need for treatment but low rate of actual treatment calls for policy and programs that improve access to treatment.

Adolescent↗
PubMed2000

Economic evaluation of communicable disease interventions in developing countries: a critical review of the published literature.

Limited health care budgets have emphasized the need for providers to use resources efficiently. Accordingly, there has been a rapid increase in the number of economic evaluations of communicable disease health programmes in developing countries, as there is a need to implement evidence-based policy decisions. However, given the prohibitive cost of many economic evaluations in low-income countries, interest has also been generated in pooling data and results of previously published studies. Yet, our review demonstrated that very few published economic evaluations have been performed during 1984-1997 (n=107). Certain diseases and geographical areas have also been neglected. Of those studies published, appropriate analytic techniques have been inconsistently applied. In particular, there are four immediate concerns: the narrow perspective taken-dominance of the health care provider viewpoint and reliance on intermediate outcomes measures; bias-some costs were excluded from estimates; the lack of transparency-sources of data not identified; and the absence of a critical examination of findings-many papers failed to perform a sensitivity analysis. The usefulness of previously published economic evaluations to help make resource allocation choices on an individual basis and, therefore, for the purpose of international comparisons, pooling or meta-analysis, has to be questioned in light of the results from this study.

Bias↗
PubMed2004

A social model for health promotion for an aging population: initial evidence on the Experience Corps model.

This report evaluates whether a program for older volunteers, designed for both generativity and health promotion, leads to short-term improvements in multiple behavioral risk factors and positive effects on intermediary risk factors for disability and other morbidities. The Experience Corps(R) places older volunteers in public elementary schools in roles designed to meet schools' needs and increase the social, physical, and cognitive activity of the volunteers. This article reports on a pilot randomized trial in Baltimore, Maryland. The 128 volunteers were 60-86 years old; 95% were African American. At follow-up of 4-8 months, physical activity, strength, people one could turn to for help, and cognitive activity increased significantly, and walking speed decreased significantly less, in participants compared to controls. In this pilot trial, physical, cognitive, and social activity increased, suggesting the potential for the Experience Corps to improve health for an aging population and simultaneously improve educational outcomes for children.

Aged↗
PubMed1999

Barriers and facilitators to providing common preventive screening services in managed care settings.

Despite increasing emphasis on disease prevention and health promotion, and ample evidence demonstrating the effectiveness of preventive services, such services are underutilized in the United States. The current trend of health care toward health maintenance organizations and other managed care systems opens the door, perhaps to more effective control of heart disease, cancers and other chronic diseases through preventive care. This warrants attention to the barriers/facilitators to the provision/utilization of preventive screening services in such settings. Overall goal of this study was to assess barriers/facilitators to the provision/utilization of preventive services in managed care organizations (MCOs). This was accomplished by a) identifying barriers/facilitators to the provision/utilization of three common preventive screening services (cholesterol screenings, mammograms, and Pap smears); and b) profiling typical MCO recipients of these three preventive screening services. A self-administered, mail questionnaire was used to obtain information from a national sample of 1,200 Directors of MCOs associated with preventive care. A total of 175 usable responses were received resulting in a 17.3 percent net response rate. The strongest barrier to the provision of all three screening services is the inability of them to generate short term savings for the MCO. Other barriers include high disenrollment rates, conflicting recommendations about effectiveness (for mammograms and cholesterol screenings), and patients' fears of getting a positive result (for mammograms and Pap smears). The improved health status as a result of early intervention, high consumer awareness (for mammograms and Pap smears), and long term savings are important facilitators to the provision/utilization of these screening services. Comparing barriers and facilitators across the three services shows the stronger barriers affecting the provision/utilization of mammograms. For all three screening services, typical managed care recipients are those in the high income groups with greater education levels. However, with the increasing enrollment of Medicaid beneficiaries into managed care, MCOs may find themselves selectively targeting these high risk low income and less educated individuals to receive the preventive screening services. Study findings should be useful to health planners, policymakers and researchers at all levels in their efforts to encourage and promote healthier lifestyle choices among U.S. residents. Future studies should address receipt of preventive services by Medicaid and Medicare beneficiaries in managed care settings.

Adult↗
PubMedDate not supplied

Examining self-perceived first-aid abilities after the Northridge earthquake.

INTRODUCTION: This study examines those factors predictive of self-perceived first-aid abilities among a community-based sample after the 1994 Northridge earthquake. METHODS: A probabilities-proportionate-to-size (pps) sample of residents of Los Angeles Country and 11 pre-selected zip codes from southeastern Ventura County was selected using computer-generated random digit-dialing (rdd) procedures 7-11 months after the earthquake. Data were collected from 506 individuals in 45 minute interviews. A unidimensional scale of self-perceived first-aid ability was created and represents the dependent variable in a causal path model. RESULTS: In a causal path model, standardized path coefficients suggested that while reports of taking first-aid courses were the most influential factors in predicting higher self-perceived first-aid abilities, other factors including being white, younger, speaking English in the home, and lower income also predicted higher self-perceived first-aid abilities that were independent from taking formal first-aid courses. CONCLUSIONS: First-aid training should be directed towards target segments of the population that are not likely to have had instruction in these basic skills. Those individuals who self-report high first-aid proficiency, independent of formal first-aid training, should be evaluated to assess their abilities to perform these skills.

Adult↗
PubMed2000

Towards elimination of tuberculosis in a low income country: the experience of Cuba, 1962-97.

BACKGROUND: This study describes the epidemiological trends of tuberculosis in Cuba and the performance of the tuberculosis control programme. The circumstances that caused an increase in the incidence of new cases of tuberculosis between 1991 and 1994 had been analysed and were corrected in 1995-7. METHODS: A descriptive study of the incidence rates of new cases of tuberculosis notified from 1962 to 1997 was made, with special emphasis on the total change between 1965 and 1991 and the increase thereafter. RESULTS: The case notification rate of 14.7 per 100 000 in 1994 was almost three times the rate found in 1991 (4.8 per 100 000) and reversed the mean annual decrease of 5% observed since 1965. This increase was almost twofold in the rate of smear positive new cases (4.4 per 100 000 in 1991 and 8.3 in 1994). From 1971 onwards the programme had achieved a cure rate of 90% throughout the country with only 2% absconding by applying directly observed treatment. The main factors associated with the increasing trends were: (1) a probable underdetection of cases for the 1988-92 period that generated contagious sources in the community; (2) improved case finding from 1993 onwards and the introduction of an expanded case definition in 1994; (3) a considerable increase in the diagnostic delay from initial medical consultation to beginning of antituberculosis treatment (56.9 days in 1993); and (4) operational changes in the tuberculosis control programme due to the economic crisis in Cuba. In 1995, 1996 and 1997 it has been possible to reverse this trend, achieving rates of 14.1, 13.5, and 12.2 per 100 000, respectively (7. 6, 7.6, and 6.9 for smear positive cases) as a result of effective intervention correcting the problems identified. Reducing the diagnostic delay attributable to shortcomings in the health care system and the study of contacts were of particular importance for re-establishing the tuberculosis programme as a priority. CONCLUSIONS: Cuba represents a good example of how it is possible to fight against tuberculosis effectively, even in a low income country, by applying control strategies advocated by the World Health Organisation and the International Union Against Tuberculosis and Lung Disease and by giving adequate support to the programme through political commitment.

Cuba↗
PubMed2002

Satisfaction with quality and access to health care among people with disabling conditions.

OBJECTIVE: To compare satisfaction with health care between persons with and without disabling conditions. DESIGN: Responses to 1996 Medicare Current Beneficiary Survey. SETTING: Nationally representative of the United States population. STUDY PARTICIPANTS: Community-dwelling Medicare beneficiaries, older and younger than 65 years (n = 16 403). MAIN OUTCOME MEASURE: Adjusted odds of being dissatisfied or very dissatisfied with five general quality measures and five access-to-care measures by five disabling conditions (blind or low vision, deaf or hard of hearing, difficulty walking, difficulty reaching, manual dexterity difficulties). Multivariable logistic regressions on dissatisfaction adjusted for age group, sex, disabling condition, race, ethnicity, urban versus rural residence, education, household income < $25 000 versus > or = $25 000, having a usual source of care, proxy respondent, and managed care. RESULTS: Of an estimated 33.58 million non-institutionalized Medicare beneficiaries, 64.1% (estimated 21.51 million) reported at least one disabling condition. Among younger beneficiaries, 10.4% with any major disability were dissatisfied with their care overall, as were 4.6% without disabilities. Nevertheless, persons with disabilities generally had significantly higher adjusted odds of dissatisfaction. For elderly persons with any major disability, the adjusted odds ratios (95% confidence interval) of dissatisfaction were: 3.2 (2.4-4.3) for overall quality; 3.2 (2.2-4.6) for access to specialists; 4.4 (3.1-6.4) for follow-up; and 4.2 (3.1-5.7) for ease of getting to doctors. Elderly managed care enrollees were less satisfied with access to specialists, but more satisfied with costs. CONCLUSION: The quality domains generating the greatest dissatisfaction were anticipated, given the nature of disabling conditions. Improving these areas requires attention inside and outside the health care system. Redesigning practice settings and procedures, and changing payment policies offer the only solutions to some problems.

Adolescent↗
PubMed2005

Managed care and systems cost-effectiveness: treatment for depression.

OBJECTIVE: The objective of this study was to assess the change in system cost-effectiveness of depression treatment after the introduction of managed care. DATA SOURCES/STUDY SETTING: The study population consisted of adults ages 18 to 69 living in low-income areas of Puerto Rico. STUDY DESIGN: Using a random probability sample of the population, 2 waves (1992-1993, 1993-1994) of data were collected before implementation of managed care and one wave (1996-1998) after implementation. Composite International Diagnostic Interview (CIDI)-generated depression diagnoses and Centers for Epidemiologic Studies-Depression (CES-D) scale of depressive symptoms scales were used to assess depression. DATA COLLECTION/EXTRACTION METHODS: Effectiveness of treatment was defined by guideline standards and experts' assessment of the probability of remission resulting from treatment. Costs were measured by assigning representative prices to each treatment modality. Difference-in-difference (D-in-D) estimators were used to assess the impact of managed care on the effectiveness and costs of treating depression at the system level for the entire population. PRINCIPAL FINDINGS: System cost-effectiveness improved slightly after the introduction of managed care, with diminished costs but no significant improvements in effectiveness. CONCLUSION: Cost-effectiveness can be measured at the population level to assess system changes. Additional incentives and system realignments beyond utilization review and diminished treatment costs are necessary to attain a more cost-effective system of care.

Adolescent↗
PubMed2004

Developing the formula for state subsidies for health care in Finland.

AIM: The aim was to generate a research-based proposal for a new subsidy formula for municipal healthcare services in Finland. METHODS: Small-area data on potential need variables, supply of and access to services, and age-, sex- and case-mix-standardised service utilisation per capita were used. Utilisation was regressed in order to identify need variables and the cost weights for the selected need variables were subsequently derived using various multilevel models and structural equation methods. RESULTS: The variables selected for the subsidy formula were as follows: age- and sex-standardised mortality (age under 65 years) and income for outpatient primary health services; age- and sex-standardised mortality (all ages) and index of overcrowded housing for elderly care and long-term inpatient care; index of disability pensions for those aged 15-55 years and migration for specialised non-psychiatric care; and index of living alone and income for psychiatric care. CONCLUSION: Decisions on the amount of state subsidies can be divided into three stages, of which the first two are mainly political and the third is based on the results of this study.

Adolescent↗
PubMed1981

America's elderly: policy implications.

Senior citizens, particularly those aged 75 or older, are the fastest growing group in the US today. 25 million strong, the elderly make up 11% of the total population, the proportion ranging from 18.1% in Florida to 2.6% in Alaska. 1/4 of the federal budget, $155 billion in 1980, now goes to their support yet many face difficulty in gaining access to the programs designed to benefit them. The elderly, especially those who rely solely on Social Security, comprise a disproportionate share of all poor households. The retirement system itself is facing financing challenges that promise to grow as the baby boom generation swells the number of senior citizens to 55 million in 2030. Plans to coordinate government programs and improve the method of financing the retirement system are receiving increasing attention. Financing Social Security from revenue funds, or with actuarial reserves, are 2 alternatives to the present pay-as-you-go system. Another area of concern to policymakers is America's health care system, which is now crisis oriented and heavily biased toward institutionalization. Health care must be made more responsive to the long-term needs of the oldest segment of the population, many of whom suffer from chronic illnesses. Impaired elderly receive most of their care from family or friends, and private organizations, but this natural support network largely has been ignored by government. New program initiatives might emphasize homemaker services, geriatric day care, compensation for families that provide for the needs of an elderly relative, and the strengthening of the informal partnership between the elderly themselves, their families and friends, community groups, private organizations, and government at the state and local as well as the federal level.

Adult↗
PubMed1999

Selection for anthelmintic resistance by macrocyclic lactones in Haemonchus contortus.

Two morphologically marked strains of Haemonchus contortus, CAVRS (smooth-macrocyclic lactone resistant) and McMaster (linguiform-macrocyclic lactone susceptible), were used to investigate the selection for anthelmintic resistance following exposure to ivermectin (IVM), a non-persistent anthelmintic. and a more persistent anthelmintic, oral moxidectin (MOX). Three types of selection were investigated: (1) selection of resident worms at the time of treatment (Head selection); (2) selection of incoming-larvae post-treatment (Tail selection); and (3) selection of both resident population and incoming larvae (Head + Tail selection). The experimental animals were adult sheep and lambs. In the controls where there was no anthelmintic selection, the proportion of CAVRS in the adult worm population was the same as the proportion in larvae given to both adults and lambs indicating that CAVRS and McMaster H. contortus were equally infective. There was a significant effect of anthelmintic on total worm numbers in adult sheep with MOX treated adults having less worms, but selection type was non-significant. Anthelmintic type had a significant effect on numbers of resistant worms in adult sheep with less resistant worms in the MOX treated groups, but selection type had no effect. Analysis of variance of arcsine-transformed proportions of resistant worms found that the type of anthelmintic had a highly significant effect, with MOX treated adults having a higher proportion of resistant worms, while type of selection was not significant. In the lambs, nil treated controls and IVM Head + Tail and Tail selected groups had similar geometric mean total worm burdens while Head selected had less total worms. In the MOX treated lamb groups the worm burdens were similar within selection type but less than the IVM treated groups. In the lambs, the types of selection that resulted in more resistant worms were IVM Tail, MOX Head + Tail and MOX Tail. Resistant worm numbers were similar in both adult and lamb groups with Head selection by either MOX or IVM. Moxidectin selected out higher proportions of resistant worms than did IVM in the lambs, with Tail and Head + Tail being stronger selectors than Head. Computer simulations were used to estimate the rate at which resistance developed in the field using the information generated in the present study. The anthelmintic treatments used in the simulation followed a strategic parasite control program for H. contortus in which all sheep receive three Closantel (CLS) treatments in summer. all sheep receive a broad-spectrum (BS) drench or capsule at weaning and lambs receive an additional two BS drenches insummer or no further treatment in the case of the capsule. Moxidectin, IVM-capsule and IVM were the broad spectrum anthelmintics simulated. All simulations were run four times assuming high or low efficacy against resident resistant worms and in the presence or absence of CLS resistance. The simulations indicated that the presence of CLS resistance hastened selection for macrocyclic lactone (ML) resistance. While the IVM-capsule will select most rapidly for ML resistance, IVM oral is expected to be least selective. Moxidectin treatment is intermediate, except in simulations with no CLS resistance and when MOX is assumed to be highly effective against resident ML-resistant worms, in which case MOX can be expected to select more slowly than IVM oral treatments.

Animals↗
PubMedDate not supplied

[Large dams, health and nutrition in Africa: beyond the controversy].

The population in sub-Saharan Africa is growing faster than increases in food production, resulting in a net decrease in food production per capita. The Food and Agriculture Organization has stated that there is a "risk of widespread hunger" which could be prevented by "effective planning of water resources". However, the potential effects of such schemes on the human population are often inadequately assessed and the effect of large dams on human health is not clear. The potential risk to human health of water resources was emphasized a few years ago but no effective preventive programs were implemented, probably because of inadequate availability of information and lack of awareness. The effects on health of "large" water resource projects are not uniform within a population. Decision-makers have tended to focus on the positive effects, to obtain support for their plans. These include: 1) improvement in the well-being of the population (safe water more readily available, new infrastructure, better access to health care) and 2) increases in the food supply (more vegetables and fish available due to irrigation). Thus, there has been a logical expectation that more, better quality food will become available as a result of these schemes, whereas in fact, health and nutrition has often worsened, particularly in young children. Most of the diseases associated with water resource management are communicable, including diseases directly related to the presence of large quantities of water, such as: malaria, which increases in incidence immediately after the building of the dam, after which a new balance develops between the human population and the parasites, schistosomiasis, the disease which increases most in response to the building of dams, particularly in its most severe gastrointestinal form, diarrhea, as water is a major means of dissemination for many organisms, including those causing digestive tract infections and gastroenteritis (amebiasis, salmonellosis, cholera), due to poor sanitation, other parasitic infections, such as onchocerciasis and trypanosomiasis, which should be monitored as they may also threaten the population. Other communicable diseases may appear or increase in incidence with the influx of migrants to the irrigated area. Sexually-transmitted diseases and HIV infection are a particular problem. The large numbers of insects (mosquitoes, blackflies) may also have harmful effects on populations adapting to the new environment. These effects are related to each other and to the environmental changes. New types of food affect people's feeding habits and generate new sources of income. However, they may also lead to new and higher expenditure. There are also likely to be major socio-demographic changes associated with changes in reproductive behavior and women's activities. The location and nature of new homes and infrastructure (e.g. schools, health centers, roads) also contribute to the success or failure of the dam project. There are many constraints to be considered and a more comprehensive approach to the problem is required. Health and nutritional status may be used as simple indicators of the ability of the population to adapt to a new environment. This makes it possible to construct a causal model to identify the most effective and relevant areas of intervention. Health and nutrition issues are of vital importance and scientific findings should be used in decision-making processes for planning future large dam schemes.

Africa South of the Sahara↗
PubMed2004

Universal health coverage in Thailand: ideas for reform and policy struggling.

Inequality in health between rich and poor in Thailand was well documented; millions of informal workers and their families lacked health insurance; and the poor paid more proportionately in income for health care. The universal coverage is conceived as one of the means to redress the situation. But the term 'universal coverage' may mean differently among different groups of stakeholders. This paper, based on empirical research of health policy reform, collected perceptions and ideas from stakeholders and discusses the ways and strategies that universal coverage might take shape in Thailand. Two sources of information were taken: one from the questionnaire survey (according to the Delphi technique, two rounds of survey were taken), another an in-depth interview. Obtained information for policy formulation included how best, as conceived by stakeholders, to implement the universal coverage, sources of finance, fiscal implication for Thai government, ways to prevent higher demand for unnecessary services, and involvement of local government. Recent policy move in Thailand (the so-called 30 baht for all diseases) emerged in 2001 generated hot debate nationwide. The programme is currently in its early phase and is likely to evolve overtime--i.e. whether or not this programme will be financed by certain types of taxes or from annual government expense still unclear; and budget allocation among different health providers still unsettled. Anyhow this programme may be interpreted as a policy shift away from the pro-market based toward a government-supported egalitarianism.

Attitude to Health↗
PubMed1999

NGOs in community health insurance schemes: examples from Guatemala and the Philippines.

In poor rural communities, access to basic health care is often severely limited by inadequate supply as well as financial barriers to seeking care. National policies may introduce social health insurance, but these are likely to begin with the salaried public and private sector workers while the informal sector population may be the last to be covered. Community initiatives to generate health care financing require a complex development process. This paper covers attempts to develop such schemes in rural populations in Guatemala and the Philippines through non-government organizations and notes the major factors which have contributed to unequal progress in the two schemes. The scheme of the Association por Salud de Barillas (ASSABA) in Guatemala was not sufficiently established as an administrative body at the conceptual stage and there was no clear national policy on health care financing. By the time the necessary action was taken, local conflicts hindered progress. In the Philippines, the ORT Health Plus Scheme (OHPS) was implemented during the period of legislation of a national health insurance act. The appraisal after three years of operation shows that OPHS has made health care affordable and accessible to the target population, composed mainly of low and often unstable income families in rural areas. The major success factors are probably the administrative structure provided by a cooperative and controls in the delivery system and in expenditures, through the salaried primary health care team, referral process and the capitation agreement for hospital-based services. The proliferation of such schemes could benefit from national guidelines, a formal accreditation process and an umbrella organization to provide assistance in design, training and information services, involving government, non-government and academic institutions as an integral part of the development process.

Accreditation↗
PubMedDate not supplied

Women for women's health: Uganda.

The primary health care model targets social, political, and economic environments as key determinants of health for populations, as well as for individuals. If nursing in Uganda is to make a difference in health care outcomes and in the health of all Ugandans, nurses must look broadly at situations and be educated to practice primary health care nursing. After 14 years of civil war, Uganda is finally experiencing a period of reconstruction and rehabilitation: the whole infrastructure is undergoing a face-lift. Ugandan nurses recognize that their educational preparation has stagnated for many years and that it was not only the political unrest in their country that put them behind professionally. They realize that, given the new directions set by the government, they must become prepared to implement primary health care. They are demanding a university education so they may take their place alongside other health care providers prepared at the university level. Some of the most convincing arguments for a university program for nurses came from doctors at the university who spoke about the need to raise the standards of nursing practice, the quality of teachers, and the morale of practitioners. One nurse said: "If we lose hope for a BScN program, I think all the nurses will quit and we won't have any new students going into the profession." This program is designed to improve the health and well-being of all Ugandans, especially the most vulnerable groups of women and children in rural areas, through strengthening and expanding health services by targeting the educational preparation of nurses. Health planners in Uganda envision the professional nurse as key to the implementation of the national health policy of primary health care. University-educated nurses should be able to assess problems, make clinically sound decisions, and act appropriately within the scope of nursing practice. They should be able to interact and consult collegially with other health care professionals. Placed in rural community sites, nurses should function independently as community leaders, health education facilitators, primary health care practitioners, and educators for nursing students. Such intervention in community health care by BScN nurses should improve health care utilization and decrease mortality and morbidity from preventable causes. BScN nurses should make an impact on health care policy, nursing education, and primary health care. The evaluation of this project needs to be as comprehensive as its development and implementation. It will focus on health outcomes, particularly for women and children in rural areas of Uganda. Measurement of the effects of the process of nursing education (the BScN curriculum) in terms of output (nurses educated and placed in rural practice, nursing education, or government policy posts), outcomes (change in health status of rural communities), and broader impacts (changes in the status of women and in government policy toward women, nurses, or health at the local, regional, and national levels) is planned. An element of sustainability is present, as an operations research structure will be left in place at the community level. Timing, as the saying goes, is everything, and this project has had good timing. Our belief in the efforts and the goals of the project also gave us the strength to get support from various funding agencies for "small" things. For example, we got support from churches in the United States for building schools in Uganda; we persisted with the women's income-generating project when other support was pulled; we got books for the library in Uganda and got clothes, books, and furnishings for the students who came to this country. The motivation for project personnel has been altruism. The services that the two consultants provided to their Ugandan colleagues have extended far beyond the scope of the project.

Education, Nursing, Baccalaureate↗
PubMed2005

Is there any solution to the "brain drain" of health professionals and knowledge from Africa?

African public health care systems suffer from significant "brain drain" of its health care professionals and knowledge as health workers migrate to wealthier countries such as Australia, Canada, USA, and the United Kingdom. Knowledge generated on the continent is not readily accessible to potential users on the continent. In this paper, the brain drain is defined as both a loss of health workers (hard brain drain) and unavailability of research results to users in Africa (soft brain drain). The "pull" factors of "hard brain drain" include better remuneration and working conditions, possible job satisfaction, and prospects for further education, whereas the "push" factors include a lack of better working conditions including promotion opportunities and career advancement. There is also a lack of essential equipment and non-availability or limited availability of specialist training programs on the continent. The causes of "soft brain drain" include lack of visibility of research results in African journals, better prospects for promotion in academic medicine when a publication has occurred in a northern high impact journal, and probably a cultural limitation because many things of foreign origin are considered superior. Advocates are increasingly discussing not just the pull factors but also the "grab" factors emanating from the developed nations. In order to control or manage the outflow of vital human resources from the developing nations to the developed ones, various possible solutions have been discussed. The moral regard to this issue cannot be under-recognized. However, the dilemma is how to balance personal autonomy, right to economic prosperity, right to personal professional development, and the expectations of the public in relation to adequate public health care services in the developing nations.

Africa↗
PubMed2001

Equity in health in unequal societies: meeting health needs in contexts of social change.

The paper explores the implications for health policy of the segmentation of society into social groups with very different levels of income and wealth. Discourses on equity in health are presently dominated by a debate between 'European' and 'American' models of health delivery. This has led to a focus on ideal outcomes rather than practical options for organising and financing health services in poor countries undergoing rapid change. The paper argues for a more explicit acknowledgement of the dynamic character of health development and the political nature of the negotiations regarding the use of government powers. Unregulated markets for health care are neither equitable nor efficient. Government must play a role in supporting the organisation of health services used by different social groups. Countries with low levels of inequality may be able to provide universal access to relatively sophisticated health services. Otherwise, governments need to operate within a segmented system. This means the negotiation of strategies to reduce the burden of sickness and premature death, whilst meeting the needs of different social groups. The discussion is organised in terms of the powers of government to require individuals and institutions to transfer resources for social uses, enforce regulations and generate and disseminate information. The paper concludes that governments committed to equity-enhancing health development need to increase their capacity to facilitate coalition building and manage change. It proposes an international public health legal framework that might include a definition of minimum standards for certain health services, to be underwritten by national and international financial commitments.

Developing Countries↗
PubMed2003

Smoking cessation.

Cigarette smoking is the primary cause of chronic obstructive pulmonary disease, and smoking cessation is the most effective means of stopping the progression of chronic obstructive pulmonary disease. Worldwide, approximately a billion people smoke cigarettes and 80% reside in low-income and middle-income countries. Though in the United States there has been a substantial decline in cigarette smoking since 1964, when the Surgeon General's report first reviewed smoking, smoking remains widespread in the United States today (about 23% of the population in 2001). Nicotine is addictive, but there are now effective drugs and behavioral interventions to assist people to overcome the addiction. Available evidence shows that smoking cessation can be helped with counseling, nicotine replacement, and bupropion. Less-studied interventions, including hypnosis, acupuncture, aversive therapy, exercise, lobeline, anxiolytics, mecamylamine, opioid agonists, and silver acetate, have assisted some people in smoking cessation, but none of those interventions has strong research evidence of efficacy. To promote smoking cessation, physicians should discuss with their smoking patients "relevance, risk, rewards, roadblocks, and repetition," and with patients who are willing to attempt to quit, physicians should use the 5-step system of "ask, advise, assess, assist, and arrange." An ideal smoking cessation program is individualized, accounting for the reasons the person smokes, the environment in which smoking occurs, available resources to quit, and individual preferences about how to quit. The clinician should bear in mind that quitting smoking can be very difficult, so it is important to be patient and persistent in developing, implementing, and adjusting each patient's smoking-cessation program. One of the most effective behavioral interventions is advice from a health care professional; it seems not to matter whether the advice is from a doctor, respiratory therapist, nurse, or other clinician, so smoking cessation should be encouraged by multiple clinicians. However, since respiratory therapists interact with smokers frequently, we believe it is particularly important for respiratory therapists to show leadership in implementing smoking cessation.

Adult↗