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Social interaction, social competence, and friendship in children.

The relationship between social skills, social interaction, and popularity was examined. The subjects were 198 children in third and fourth grades in middle- and low-income schools. The relationships between number of friends, socioeconomic status, and grade level were studied in a 2 times 2 times 2 factorial design with 2 sets of dependent measures: (1) social skills were assessed by an experimenter testing each child individually on a set of tasks which included measures of the ability to label emotions in facial expressions, knowledge of how to make friends, giving help, and role-taking ability; and (2) social interaction in the classroom was assessed using a naturalistic observational system. Popular and unpopular children differed in their knowledge of how to make friends and on the referential-communication task. In the classroom, popular children distributed and received more positive reinforcement than unpopular children and spent less time daydreaming. Both grade and social class factors were significant. However, different patterns of results contributed to the main effect of friends and the grade-level main effect. The importance of assessing social skills which are first validated by reference to a criterion such as sociometric position was noted.

Age Factors↗

Clinical pathways--an evaluation of its impact on the quality of care in an acute care general hospital in Singapore.

A critical or clinical pathway defines the optimal care process, sequencing and timing of interventions by healthcare professionals for a particular diagnosis or procedure. It is a relatively new clinical process improvement tool that has been gaining popularity across hospitals and various healthcare organisations in many parts of the world. It is now slowly gaining momentum and popularity in Asia and Singapore. Clinical pathways are developed through collaborative efforts of clinicians, case managers, nurses, and other allied healthcare professionals with the aim of improving the quality of patient care, while minimising cost to the patient. Clinical pathways have been shown to reduce unnecessary variation in patient care, reduce delays in discharge through more efficient discharge planning, and improve the cost-effectiveness of clinical services. The approach and objectives of clinical pathways are consistent with those of total quality management (TQM) and continuous clinical quality improvement (CQI), and is essentially the application of these principles at the patient's bedside. However, despite the growing popularity of pathways, their impact on clinical outcomes and their clinical effectiveness remains largely untested and unproven through rigorous clinical trials. This paper begins with an overview of the nature of clinical pathways and the analysis of variances from the pathway, their benefits to the healthcare organisation, their application as a tool for CQI activities in direct relation to patient care, and their effectiveness in a variety of healthcare settings. The paper describes an evaluation of the impact of a clinical pathway on the quality of care for patients admitted for uncomplicated acute myocardial infarction (AMI) through an analysis of variances. The author carried out a one year evaluation of a clinical pathway on uncomplicated AMI in Changi General Hospital (CGH) to determine its effectiveness and impact on a defined set of outcomes. A before and after nonrandomized study of two groups of patients admitted to the Hospital for uncomplicated AMI was done. A total of 169 patients were managed on the clinical pathway compared to 100 patients in the control (historical comparison) group. Outcomes were compared between the two groups of patients. Restriction and matching of study subjects in both groups ensured that the patients selected were comparable in terms of severity of illness. The results showed that the patients on the clinical pathway and the comparison group were similar with respect to demographic variables, prevalence of risk factors and comorbidities. There was a statistically significant reduction in the average length of stay after implementation of the clinical pathway. This was achieved without any adverse effect on short term clinical outcomes such as in-hospital mortality, complication rate and morbidity. There were no significant difference in readmission rates at 6 months after discharge. The paper concludes that clinical pathways, implemented in the context of an acute care general hospital, is able to significantly improve care processes through better collaboration among healthcare professionals and improvements in work systems.

Analysis of Variance↗

What is science good for?

A nonbusiness discipline can provide a useful framework for thinking about old problems in new ways. People who study management, for instance, freely borrow from many fields of science to theorize about organizational behavior and business strategy. Evolutionary psychology and biology are especially popular sources of inspiration. But should they be? Evolutionary biologist Richard Dawkins has spent much of his career explaining science to the public. More than 20 years ago, his book The Selfish Gene shattered the popular belief that evolution necessarily favors altruism and self-sacrifice. In a conversation with HBR senior editor Diane Coutu, Dawkins discusses the role of science in our lives and identifies some of the more glaring public misperceptions of scientific theories. In particular, he disentangles the current notion that certain behaviors are in some way preprogrammed and explodes some contemporary myths about the Human Genome Project. Dawkins says much of the popular fear surrounding genetic manipulation is unfounded. "Humans have been practicing it for thousands of years, to no obvious ill effect," he says. Modern foot-long corncobs, the result of more than 1,000 years of artificial selection, are "quite Frankenstein-like" compared to their half-inch-long progenitors, he points out. He also touches on agriculture giant Monsanto and the media: "Part of the reason for Monsanto's troubles is that the company came up against an extraordinary amount of unfortunate, even malevolent, media hype," he says. "And people were more or less misled, by one scare story after another, into stampeding." A staunch defender of science as a haven of rational thought, Dawkins counsels businesspeople to recognize the limitations--as well as the beauty--of science.

Commerce↗

Psychiatric nursing education: can it make a difference?

A review of the literature clearly indicates that psychiatric nursing is not a popular career choice for undergraduate nursing students. While it appears from the literature that exposure to the theory and practice of psychiatric nursing can influence the attitudes of student nurses towards the mentally ill, no clear picture emerges from the research. Furthermore, the design of previous research does not address the relationship between improved attitudes towards the mentally ill and an increase in the popularity of psychiatric nursing. This paper discusses the results of a quasi-experimental study, which compared the attitudes of student nurses towards psychiatric nursing as a career option prior to and following completion of the psychiatric nursing component of the course. The post-test results suggest a strong and statistically significant increase in the popularity of psychiatric nursing. The possible impact of problem based learning in influencing these results is discussed.

Attitude of Health Personnel↗

[The dedicated amateur].

This is the text of an inauguration lecture at Umeå Universitiy (a chair of the history of science and ideas). The lecture is based on a study of magazines like Populär Teknik (Popular Technology), popular science literature, handbooks for mechanical and electrical experimentation, mail-order catalogs etc. from 1920-50, and its theme is that amateurs and hobbyists interested in popular science, technology and "do-it-yourself" have played an important role in modern society. Here we find a world exclusively occupied by boys and men, where it is made a virtue of playing with technological toys, and where mechanical and electrical tinkering becomes a significant part of the construction of masculinity. But the activities of amateurs and hoppyists can also be seen as an important way of self-education where the boy may get in touch with the scientific and technological frontier of the time, and there are many examples (e.g. in early history of radio or personal computers) where amateurs invented and developed new technology. The spirit of amateurs and hobbyists can even contain elements of a modern civic ideal: don't become dependent upon professional experts, don't trust authorities or big business that want to control technology, trust yourself and your knowledge. In short: do it yourself.

Biotechnology↗

[Improvement and application of digitized measure on shelterbelt porosity].

Based on the lots of investigation on farmland shelterbelts, we used digital camera to take pictures of shelterbelt and apply CIAS software to improve "digital image processing" for determining shelterbelt porosity so as to thoroughly analyze the rule of porosity in farmland shelterbelts. Compared with the old digital image processing, the improved method possesses high accuracy, and it is more economical and more convenient to apply. The relationship between porosity of shelterbelts (beta) and relative clear bole height (x) can be expressed as beta = 0.672x0.469 (r = 0.9851, r0.01 = 0.4073, 0 < or = beta < or = 1) in the leaf period; and beta = 1.0681x0.4304 (r = 0.9763, r0.01 = 0.4073, 0 < or = beta < or = 1) in the defoliation period. beta varies with the stand age (a), taking the form of parabola, which can be expressed as beta = 0.0009a2 - 0.0364a + 0.6828 (0 < or = beta < or = 1). Porosity at cross-section of shelterbelt can be used as an auxiliary index to evaluate the structure of belts. The calculation method of shelterbelt porosity of mixed shelterbelt can be expressed as beta = (beta 1n1 + beta 2n2)/(n1 + n2). Among the popular, willow and elm pure shelterbelts with same disposition, popular shelterbelt structure is the best, with beta PPP < beta SSS < beta UUU, while the triangle disposition is better than the rectangle one among the same tree species. UPPU and SPPS of mixed structure have the optimal effect in popular-willow-elm mixed shelterbelts.

Trees↗

[The introduction of tobacco and the diffusion of smoking culture in Korea].

Since its introduction to Korea from Japan at the beginning of the seventeenth century, tobacco became very popular with an amazing rapidity among Koreans. Along with widespread cultivation of tobacco, smoking also became very popular among Koreans, regardless of their classes, ages, and sexes. On the other hand, other imported crops from America via Europe in the sam period, like sweet potato, potato, corn and tomato, did not enjoy such popularity in Korea. A long time after their introduction, Koreans began to cultivate these crops. Why did Koreans respond enthusiastically to the newly-imported tobacco? What kind of factors contributed to the rapid transmission of tobacco in Korea? This study examined the causes of rapid diffusion of the smoking population in three aspects. First was economic aspect. The farming of tobacco yielded a profit by selling it to Chinese. The climate and the soil of Korea fit for farming of tobacco. So the farm land of tobacco expanded gradually since the 18th century. Second was medical aspect. At first, many Koreans believed that smoking was helpful to digestion, expectoration, protecting coldness, and exterminating parasites. Afterwards, they believed smoking could encourage vitality and protect diseases. There was no reason of smoking cessation for the people's health in that the hazards of smoking were not well known to the commonage in those days, though a few intellectuals acknowledge its harm. Third was sociocultural aspect. We could trace the smoking culture of Chosun dynasty through arts, poems, and essays. The making of smoking culture made stable reproduction of smokers generation by generation. Especially, the smoking culture secured juvenile's smoking. Considering the three aspects above, we know that what reason the Decree of Ban of Smoking in Korea was not strict in comparison to that of China (Qing Dynasty), in which the violators were executed. The regulation of smoking by the government failed except controlling in sociocultural aspect. The government reinforced controlling of smoking culture in counteraction to the threat of collapse of the hierarchy of Chosun dynasty in 18th century.

History, 17th Century↗

"Mr. Health" programme on sex education for the adolescents.

30 years ago, late Premier Zhou Enlai pointed out: "Adolescents must be informed about sex knowledge." But unfortunately, for many years, authorities were too timid to popularize sex education among adolescents. According to a survey, only 37.6% of sex education was provided through formal ways. Another survey of 2071 sex offenders showed that 89.3% of them were teenagers. Besides, the cases of early romance increased dramatically in recent years. According to a survey in Beijing, Shanghai, Guangzhou and Chengdu, half of the high school students have had love affairs. Many of the adolescents have a hazy understanding of sex. Lacking contraceptive knowledge and measures, girls are likely to get pregnant, which make them feel so uneasy that some even committed suicide. Facing the above situation, "Mr. Health" Program on Sex Education for the Adolescents is underway. The program will comprise various activities. A column of "Mailbox of Mr. Health" is to be developed in the Science and Technology of Chinese Youth, a journal with national influence. Specialists will introduce the systematic knowledge of and proper attitudes toward sex in that column. Special educational radio programs are to be produced in the China Central Broadcasting Station to popularize the "Mr. Health" Program on Sex Education for the Adolescents. A hotline of counseling on sex knowledge is to be set by the Service Center of the Adolescents under the Central Committee of the Communist Youth League. And a large-scale exhibition of the "Mr. Health" Program on Popularizing Sex Education will be held throughout the country.

Adolescent↗

Management of hyperthyroidism in Trinidad and Tobago.

A questionnaire study of current practices regarding the investigation and treatment of hyperthyroidism was undertaken in Trinidad and Tobago between December 1999 and March 2000. The study evaluated the choice of laboratory tests requested and the therapeutic choices for a standard patient with hyperthyroidism. In addition, clinical scenarios based upon variations of the standard case (by altering age, gender, goitre size and duration of disease) were also tested. Two hundred and ninety-six questionnaires were sent; 134 (45%) were returned, of which four were excluded for incomplete data. Ninety five per cent of respondents requested biochemical confirmation but the range of tests varied widely. Thyroid scintigraphy was requested by 36% and thyroid ultrasound by 35%. Medical treatment (75%) with antithyroid drugs was the most popular choice for treatment of the standard patient. This did not change significantly if the patient was male. On the other hand, radioiodine (62%) was more popular in the treatment of chronic/relapsing hyperthyroidism (p < 0.005). In the elderly, medical management was still the most popular choice (57%) but the choice of radioiodine therapy was significantly increased compared with that in the standard patient (36% vs 19%) (p<0.005). In a young female with a large goitre and chronic disease, surgical intervention (61%) was the treatment of choice, especially among surgeons and general practitioners; radioiodine was chosen by 28% of respondents (mostly internists). There is need for clear guidelines in investigating thyroid disease but therapeutic choices are well informed and consistent with accepted practice elsewhere. In particular there is a fairly liberal attitude towards radioiodine use in hyperthyroidism.

Attitude of Health Personnel↗

Evaluation of 65% permethrin spot-on for prevention of canine visceral leishmaniasis: effect on disease prevalence and the vectors (Diptera: Psychodidae) in a hyperendemic area.

A study was designed to examine the effect of 65% permethrin spot-on on the prevalence of canine visceral leishmaniasis and the abundance of sand flies in two neighborhoods in Corumbá, Mato Grosso do Sul, Brazil known to have a high prevalence of visceral leishmaniasis. An enrollment survey was conducted to determine the prevalence of visceral leishmaniasis. Area residents were provided with information about the project; the study area was defined, and all dogs (160 in Cristo Redentor and 230 in Popular Velha) identified in the study area were enrolled. Three 65% permethrin spot-on treatments (June 15-25, July 13-15, and August 10-12) were administered to 150, 110, and 99 dogs, respectively, in Popular Velha, according to label recommendations. Dogs in Cristo Redentor were untreated controls. Visceral leishmaniasis was diagnosed periodically by indirect immunofluorescence assay. A reduction in canine visceral leishmaniasis prevalence was observed at the Popular Velha site. The infection rate for treated dogs 1 month following the final treatment was approximately 50% reduced from that observed before treatment(19.3% vs 9.6%). Conversely, the infection rate at the control site was more than 80% higher at the September sampling than that observed pretreatment (4.1% vs 7.4%). Similar numbers of sand flies were captured and identified from both sites throughout the study. The results suggest that regular use of 65% permethrin during months of high risk for canine visceral leishmaniasis can be a useful strategy for reducing the prevalence of this disease in hyperendemic areas. It should be stressed, however, that the success of this strategy depends not only on the efficacy of the product itself but also on the adoption of other control measures and on economic variables, considering the low purchasing power of the populations living in higher-risk neighborhoods.

Administration, Cutaneous↗

Ways of spending leisure time by the third year-students of the Faculty of Pharmacy, Medical University of Lublin.

The aim of the study was the assessment of leisure time among third-year students from the Faculty of Pharmacy of the Medical University of Lublin. It analysed quantity of time devoted to school activity and ways of spending free time. The study involved 114 students (82 women and 32 men). The study revealed that women had less free time than men, who, most probably did not attend some lectures. The most popular activities among the questioned students were: sleeping (average 6.8 hours a day), studying (average 3.6 hours a day), listening to the radio (average 2.9 hours a day), talking with friends (average 1.9 hours a day), personal hygiene (average 1.1 hours a day), watching TV (average 1.1 hours a day), housework. Students devoted the least of their free time on active rest, for example walking (women did it more often than men) or practising sport (more popular among men). Cultural life of the students consisted only of meetings with friends and going to the cinema (women did it more often). The least popular way of spending free time was going to the theatre, opera, concerts and exhibitions. Few students spent their time working. Their number increased significantly during holidays. The way of spending free time by third-year students from the Faculty of Pharmacy (both men and women) during the day was similar, differences related only to the amount of time devoted to each activity.

Adult↗

[The main trends in the training of medical college students in clinical departments in the propagandizing of a healthy life style].

Popularization of the healthy way of life (HWL) at the medical institutes is a crucial problem, since on the one hand, the medical institute is to train good specialists in terms of their own health and, on the other hand, these specialists are to popularize the HWL among the community. The paper is a summary of the experience of 10 clinical departments of the Vladivostok Medical Institute, gained with popularization of the HWL. The purpose lies in the training of the specialists in the methodology and techniques by which the HWL is to be introduced in the consciousness of the community. The realization of the purpose involves the use of conventional and original methodological approaches to the organization of the training and educational process and their differentiation at certain stages. The program and plan of the training include the use of both required and facultative forms of the training, active participation of the students in carrying out health measures among the community.

Health Education↗

Ecstatic stigmatics and Holy anorexics: medieval and contemporary.

As has been shown and explained, the stigmata and other mortifications of the flesh can serve as survival tools for someone who has been severely traumatized, devout Christian or unbeliever alike. When Diana, Princess of Wales, was killed, this nonreligious woman came to be regarded by her admirers as a popular saint who wanted nothing more than to help and serve others. Despite her wealth, she became a waif in the popular imagination, and like many others who suffered great psychic pain, she too inflicted further pain and suffering on herself through starving herself, binging and purging, and cutting herself. This suffering was her visible stigmata, inspiring great popular devotion. When she died, millions cried, carrying candles in the streets as they listened to Elton John's song to this suffering woman whose light flickered "like a candle in the wind".

Anorexia↗

The cocaine-abused heart.

Recreational use of cocaine dates back to the Incas in South America 5000 years ago. Cocaine is derived from the leaves of Erythroxylon coca, a shrub native to South America. In the late 1800s, Sigmund Freud popularized the drug in Europe. He used cocaine to treat depression, asthma, cachexia, and for overcoming morphine addiction. Also in this period cocaine rapidly gained acceptance in surgical procedures as a local anesthetic and vasoconstrictor. Cocaine reached the United States in the early 1900s, and its popularity led President Taft to declare it public enemy number one in 1910. Cocaine became popular again in the 1980s. Currently cocaine use is responsible for more ED visits then any of the other illicit drugs. Because most cocaine users are young, they are at a lower risk for coronary artery atherosclerotic disease. An estimated 25 million people between the ages of 26 and 34 years have used cocaine at least once, 20% were women and 30% men. Habitual users of cocaine are estimated to number 1.5 million. Most cocaine-induced chest pains do not progress to MI, and in fact many originate in the chest wall. The chest pains due to cocaine, however, are induced by myocardial ischemia, a result of vasospasm and not a thrombotic occlusion of a coronary artery that has a ruptured atheromatous plaque. ECG findings can be misleading in the diagnosis because the early repolarization syndrome, a normal variant, is a frequent finding in young African American men. Measurement of cardiac troponin levels is the most reliable diagnostic test. Percutaneous coronary intervention and angioplasty, rather than thrombolysis, is the treatment of choice because intense coronary vasospasm is the primary pathophysiology in cocaine-induced MI.

Adult↗

Fad diets and obesity--Part IV: Low-carbohydrate vs. low-fat diets.

The first three parts of this series of articles covered the basics of some of the more popular low-carbohydrate diets, and the theories behind them. In the fourth and final part of this series, some of the more popular low-fat and low-calorie diets, such as the Ornish diet and Weight Watchers, are covered briefly. Recently, several clinical trials of longer duration that compared low-carbohydrate versus low-fat diets have been published. These studies demonstrate that some of the low-carbohydrate diets result in reduced weight in the short-term, but their ability to reduce weight long-term any better than low-fat or other diets has been questioned. Most popular or fad diets have some positive messages contained within them and some preliminary positive short-term results, but overall the compliance rates with any fad diet are very poor over the long-term. The decision to go on any diet should be made with a health professional who can monitor the patient closely.

Body Mass Index↗

[Name-day parties--social factor shaping patterns of ethanol poisonings].

Name-day party is a feature of the Polish culture. During these parties alcoholic drinks are served very often. In this paper it is shown that there is a positive correlation between the popularity of a name-day and the number of ethanol poisonings. Another finding of this paper is that the popularity of a name-day is also associated with the average age of ethanol-poisoned patients. This association is mediated by gender and a day of the week. On days of popular names the average age of poisoned woman is lower comparing to days of unpopular names. In case of males the pattern is more complicated. If a name-day of common names occurs on a week day then the male patients tend to be older, but if such a day occurs at the weekend then average age of male patients is higher.

Adolescent↗

Total knee arthroplasty: the future.

Few areas in orthopaedics have evolved so dramatically over the past few decades as our knowledge of knee physiology, knee kinematics, and knee replacement surgery. This article addresses major breakthroughs in knee replacement surgery, the thought process behind these concepts, and their impact on clinical practice. It focuses on compartmental arthroplasty, use of minimally invasive surgery, advances in biomaterials, and biological solutions for treating arthritis. Compartmental knee replacements are gaining popularity, especially for medial compartment arthritis. Minimally invasive surgery (i.e., quadriceps sparing arthroplasty) has become very popular in the last few years and is being used routinely for unicompartmental knee replacement and increasingly used for total knee replacement. Computer-assisted surgery has the ability to help the surgeon place the components in the desired position, thereby avoiding component malpositioning, which can cause pain, instability, limited range of movement, excessive polyethylene wear, and subsequent implant loosening. Recent advances in the metallurgy have led to the introduction of tantalum trabecular metal which offers several advantages over other current conventional materials used for implants. Expanding knowledge regarding cartilage biochemistry and the pathogenesis of osteoarthritis has focused the research on slowing the progression of osteoarthritis and promoting cartilage matrix synthesis. Perichondrial transplantation as well as periosteal transplantation have been tried by a few investigators but they have limited and temporary success. Autologous chondrocyte implantation is another technique that is gaining popularity. The chondrocytes harvested from the patient are cultured and reimplanted after 3-4 weeks of culturing. In the future, we are likely to see advances in diagnosis as well as management of osteoarthritis. The treatment modalities will probably evolve at the cellular level and it will not be long before a patient-specific medication can be given to a asymptomatic patient in order to prevent development of osteoarthritis. Patients with end-stage osteoarthritis will be offered a combination of treatments (e.g., partial replacement of one compartment or localized cartilage repair if there is localized cartilage defect in the other compartment).

Arthroplasty, Replacement, Knee↗

[Sociologic problems of contraception in the opinion of women from urban and rural areas].

The paper, having a diagnostic character, discusses the problems of birth control, family planning and contraception methods. The methods of the investigation were a questionnaire, interview and analysis of documentation. The investigation was carried out in two areas: urban--Katowice and rural--Istebna. The investigation was carried out among a group of 100 women between 20 and 55 years of age. All the women questioned have been married for 1-30 years. Most of them have two children--30%. Most women from both the urban and rural areas use natural methods of contraception, in. the town--Billings method and in the country--conjugal diary. Thermal method is less popular as it is time-consuming. The main reasons for choosing a natural method of contraception control are moral, religious and biological aspects, which give the women a psychic comfort and a strong feeling of attachment to the husband. Women from the urban area say that they started to use contraceptive methods after getting married whereas women from the rural area--after giving birth to a child. Contraceptive devices are used by about 30% of women. The most popular are: among women from the town--coitus interruptus, artificial abortion and less popular contraceptive devices such as oral contraceptives, intrauterine devices and chemical substances. Among women from the rural area the most common is coitus interruptus and then 2-1 cases of each of the remaining methods. Women applying contraceptive devices are aware of their harmful effects, their unreliability, immorality and violating nature. Women in the country face a lot of difficulties in buying contraceptive devices and they also (22%) use artificial abortion.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗