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PubMed1999

Why is the death rate from lung cancer falling in the Russian Federation?

Age standardised death rates (European standard population) from lung cancer in the Russian Federation, have been rising since at least 1965, levelled out in the late 1980s and have subsequently decreased. The reasons for this decline are not apparent. This study seeks to identify the reasons for the decline in mortality from lung cancer in the Russian Federation in the 1990s. Changes in age-specific mortality from lung cancer in the Russian Federation between 1990 are described and age-cohort analysis, based on age-specific death rates for lung cancer is undertaken for the period 1965 to 1995. As other work has shown that any recent deterioration in coding of cause of death has been confined largely to the elderly, this suggests that the trend is not a coding artefact. Age-period-cohort analysis demonstrates the existence of a marked birth cohort effect, with two major peaks corresponding to those born around 1926 and 1938. These groups would have reached their early teens during the second world war and the period immediately after the death of Stalin, respectively. The present downward trend in death rates from lung cancer in the Russian Federation is partly due to a cohort effect and it is expected that this will soon reverse, with a second peak occurring in about 2003.

Adolescent↗
PubMed2003

Health in exchange: teachers, doctors, and the strength of informal practices in Russia.

This article explores teachers' and doctors' informal medical exchange practices in the context of the transforming health care system in post-Soviet Russia. Despite the advent of a medical marketplace, most Russians have low incomes and cannot buy the goods and services the market offers. Instead, they bypass the formal market mechanisms (such as obtaining cheaper medicine through personal connections) and official procedures (such as obtaining free or cheaper health care services despite the emergence of paid services) by using their social networks. This paper uses a network perspective to investigate how doctors' and teachers' mutual relations are formed and what resources form the basis of these informal exchange practices. Drawing on structured diary data and qualitative interviews with 20 teachers, in addition to interviews with eight doctors in St. Petersburg, the study goes beyond mere statistics on health care and attempts to depict "from below" the implications health and illness have for survival in contemporary Russia.

Delivery of Health Care↗
PubMed2004

Association between dependent smoking and a polymorphism in the tyrosine hydroxylase gene in a prospective population-based study of adolescent health.

This study reports pilot data on an association between tobacco dependence and a five-allele tetranucleotide repeat polymorphism in the first intron of the tyrosine hydroxylase (TH) gene. One hundred and twenty-six Australian adolescents who had participated in the Health in Transition Study (1993-1997), and who showed patterns of either dependent or nondependent smoking across four waves of data collection, consented to participation in the pilot study. The smoking status of those recruited was confirmed using a telephone-administered drug use questionnaire during 2000. Tobacco dependence was defined as smoking more than 6 days per week and more than 10 cigarettes per day during wave 5 (year 2000) and at least one prior wave ( n = 58). A second, more stringent phenotype included smoking within an hour of waking ( n = 37). The control group comprised adolescents who had used tobacco but had remained low-level social smokers across each wave of data ( n = 56). DNA was collected using a mouthwash procedure. Using the more strictly defined tobacco dependence phenotype, and after adjusting for sex, a significant protective association was found between the K4 allele and tobacco dependence (OR 0.27, 95% confidence interval [CI] 0.09, 0.82). No association was found using the liberal criteria of tobacco dependence (OR 0.51, 95% confidence interval [CI] 0.23, 1.2). These preliminary results replicate a previous association between tobacco use and the K4 allele of the TH gene (Lerman et al., 1997). The potential significance of including time to first cigarette in definitions of tobacco dependence and the possible role that these TH variants might play in tobacco dependence are discussed.

Adolescent↗
PubMed1998

Suicide in Belarus.

Suicide rates have risen in Belarus since 1990, and suicide rates are higher in rural than in urban areas. The regional distribution of suicide rates suggests a North-South variation that may be a result of ethnic and cultural differences between the regions.

Adolescent↗
PubMed2000

Total tooth loss in the United Kingdom in 1998 and implications for the future.

The 1998 Adult Dental Health Survey, published this year, showed that the number of people without teeth should fall over the next three decades, to only 4% of the UK population. Patterns of tooth loss and retention are also changing. This article, the first of a series on the interpretation of the Adult Dental Health Survey, discusses the implications of these trends for dentistry.

Adolescent↗
PubMed2001

Dental restorations in adults in the UK in 1998 and implications for the future.

People in their late fifties in the UK today can expect to live another 20 years and most want to maintain a functional and aesthetically acceptable dentition. However, 50% of the teeth of dentate adults aged 45 years and over are filled and crowned. The challenges for the dental profession in addressing these aspirations are discussed.

Adolescent↗
PubMed2003

Older patients.

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Adult↗
PubMed2005

Managing change.

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Dental Care↗
PubMed2000

The relation between dietary change and rising US obesity.

OBJECTIVE: To determine if the source from which food is obtained has contributed to the increased obesity of the US population, while controlling for demographic, lifestyle and regional factors. METHODS: Multiple regression was used to estimate the effect of food source on body mass index (BMI) while accounting for other factors which have been shown to affect obesity in a nationally representative sample of the US population. SAMPLE: This study used secondary data from the 1994-1996 Continuing Survey of Food Intake by Individuals (CSFII). The CSFII is a nationally representative sample of 16,103 individuals, obtaining for each respondent 24 h recalls of all food intake on two nonconsecutive days as well as demographics and information on lifestyle choices. RESULTS: For a large number of demographic and lifestyle factors, our results support those which have previously been found to contribute to increased overweight. Our contribution is to examine whether the source from which food is obtained also contributes to increased overweight. Our evidence suggests that this is the case. The average height for males in our sample was 1.77 m. For two such males, one who ate food away from home (FAFH) during the previous 24 h period and the other who did not, results suggest that the first will be about 1 kg heavier, all other factors being equal. For two females of average height (1.63 m) the same is true for those who ate fast food, but not at restaurants. In all cases, except females who ate at restaurants, the effects are significant in the regression (P<0.05). CONCLUSION: The trends in both increased US obesity and in increased consumption of FAFH are unlikely to be coincidental. FAFH, and particularly fast food consumption, are likely to be contributing factors to increased obesity.

Adolescent↗
PubMed1998

Does a secular trend exist in the distribution of occlusal patterns?

The existence of a secular trend in the distribution of occlusal patterns was studied in two generations of children. Study models and demographic data of a sample of 265 children from the previous generation (group A) and recordings of clinical examinations of 988 children from the present generation (group B) served as the data base for this study. Children in whom caries affected the occlusion and those in the deciduous dentition stage were excluded. Thus, occlusal analysis was performed for 102 children in group A and 703 in group B. A dramatic decrease was found in the prevalence of caries affecting the occlusion. No difference existed between the two groups with respect to molar and canine anteroposterior relationships. However, there was a decrease in the prevalence of normal occlusion accompanied by an increase of Class I malocclusion.

Adolescent↗
PubMed2001

Anterior space relations and lower incisor alignment in 9-year-old children born in the 1960s and 1980s.

The anterior arch spaces and the effect of early loss of deciduous canines have been studied in 2 different cohorts of 9-year-old children. One group of 119 children was from Norway and consisted of 56 girls and 63 boys, and 1 group of 133 children was from Sweden and consisted of 72 girls and 61 boys. Within these cohorts, half of the children were born in the 1960s and half in the 1980s. The 1960s group has been compared with the 1980s group to look for anterior arch changes occurring during this period of time. The children who had lost a lost deciduous canine at the age of 9 years were also compared with the children with all deciduous canines remaining. Groups were compared with analysis of variance. It was found that children with a lost deciduous canine at the age of 9 years belong to a group with less available arch space and are a crowded group when compared with an earlier study. For the girls, this was also associated with larger teeth. Anterior arch space did not differ between the 1960s and the 1980s groups except for the Swedish boys, where there was less available mandibular arch space in the 1980s group. The irregularity index for the 4 mandibular incisors was increased in the 1980s group compared with the 1960s group. This could indicate a secular trend toward an increased prevalence of malocclusion in the present population.

Analysis of Variance↗
PubMed1998

Health care reform and the transformation of nursing in Hong Kong.

Health care reform in Hong Kong in the 1990s has brought about dramatic change to the nursing discipline. This paper reports an ethnographic study which aimed at exploring the transformation of nursing in a regional hospital in Hong Kong during this period of reform. In the study, the restructuring of nursing work, its associated dynamics and resulting impacts upon the nursing profession were examined. A methodological triangulation approach to data collection encompassing interviews, participant observation and review of documents was used. The findings in this study suggest that the majority of nurses working in the case study hospital continue to be subject to medical dominance and are under management control. The emphasis on cost-effective care has however, fostered qualified nurses to claim more ownership of their professional judgement and autonomy. The health care reform has confirmed the status of two newly established groups of nurses, the nurse specialists and nurse managers. The development of the nursing profession is found to be closely connected to its work development. The preparation of the new generation of nurses, as revealed in this study, needs to emphasize the cognitive dimension of the professional competence. Some nurses need to be further educated in specialist practice and clinical management to maximize the contribution of nursing in health care delivery.

Anthropology, Cultural↗
PubMed2001

The epidemiological transition in maternal and child health in a Brazilian city, 1982-93: a comparison of two population-based cohorts.

Two studies carried out in 1982 and 1993 in the city of Pelotas, Southern Brazil, provide a unique opportunity for assessing the impact on maternal and child health of the economic and health care changes, which took place in Brazil in this period. The cohorts of mothers and infants of 1982 and 1993 were studied from the time of delivery. In both years, all mothers identified in the city's maternity hospitals answered a standardised questionnaire and their infants were examined. Over 99% of all children born in the city in each of the 2 years were included in the cohorts. Deaths occurring among these children were monitored prospectively, as well as all hospital admissions in the 1993 cohort. In the 1982 study, attempts were made to locate a 25% sample of the children at the mean age of 12 months using the addresses collected at the hospital (82% of the children were located), and all of the cohort children at the mean age of 20 months and 42 months, through a city census (87% were located in both follow-ups). In the 1993 study, 20% of all children plus all low birthweight infants were sought at 12 months of age, using the addresses collected at the hospital, and 95% were successfully traced. There was a 12% fall in the number of births occurring in 1993 (5,304 births), in comparison with 1982 (6,011 births), in spite of the increase in the population of reproductive age in the city during the decade. There was a marked difference in maternal height and weight at the beginning of pregnancy, with women giving birth in 1993 being, on average, 3.4 cm taller and 2.5 kg heavier than those who gave birth in 1982. The proportion of preterm babies (<37 weeks), measured by the date of last menstrual period, increased from 5.6% in 1982 to 7.5% in 1993. The median duration of breast feeding increased from 3.1 months in 1982 to 4.0 months in 1993. At 12 months of age, the prevalence of deficit of weight for age decreased from 5.4% in 1982 to 3.7% in 1993. The prevalence of deficit of height for age, however, increased from 5.3% to 6.1%. The perinatal mortality rate dropped 31%, from 32.2 per 1,000 births in 1982 to 22.1 deaths per 1,000 births in 1993. There was also a marked reduction in the infant mortality rate, from 36.4 per 1,000 livebirths in 1982 to 21.1 per 1,000 livebirths in 1993. The findings of the study indicate that there were improvements in the decade for most of the indicators evaluated, with the exception of birthweight and gestational age. It appears that improvements in perinatal and infant mortality rates are largely due to improvements in the health care sector.

Adult↗
PubMed2002

Twenty-year changes in the prevalence of overweight in Japanese adults: the National Nutrition Survey 1976-95.

The aim of this study was to describe the 20-year changes in body mass index (BMI; kgm(-2)) and the prevalence of overweight in Japanese adults. Cross-sectional annual nationwide surveys (National Nutrition Survey, Japan) were carried out with a large probability sample of the Japanese population. Data sets of the 1976-95 surveys, comprising 91983 men and 120822 women (> or =20 years of age), were used. The analyses were carried out in age and gender groups, and by residential area according to the size of the municipality (metropolitan areas, cities and small towns). The mean BMI increaseed in men with an increment of +0.44 kg m(-2) 10 years(-1) and slightly decreased in women, by -0.09 kg m(-2) 10 years(-1), after adjustment for age. A decreasing trend of mean BMI was most significant in the female 20-29 years age-group (-0.38 kg m(-2) 10 years(-1)), in contrast to an increasing trend observed in elderly women (60-69 and 70+ years age-groups). The prevalence of preobese (BMI: 25-29.9kg m(-2)) and obese (BMI > or = 30 kg m(-2)) men increased from 14.5% and 0.8%, respectively, in the time-period 1976-80 to 20.5% and 2.01% during 1991-95. The increasing trend was most evident in the youngest age-group (20-29 years) and in those from small towns. The overall prevalence of preobese and obese women did not change during the 20-year study period. The prevalence in younger women decreased, this trend being more prominent in metropolitan areas. Although the prevalence of overweight (BMI > or =25 kg m(-2)) in Japanese men and elderly women has increased in the last 20 years, the mean BMI in younger women, especially those in metropolitan areas, has decreased. A population approach to control obesity and prevent obesity-associated diseases should be mainly focused on men and women older than 40 years of age.

Adult↗
PubMedDate not supplied

Pediatric oncology nursing: providing care through decades of change.

Pediatric oncology nursing practice has evolved over the years as new technology and trends in health care have precipitated change. Three pediatric oncology nursing leaders share their perspectives on nursing practice as it relates to treatment of a child with leukemia during four different points in time. Their comments illustrate the challenges, resources, and rewards. Their reflections, combined with a survey of the literature over the past half a century, show the dramatic impact of advances in supportive care on the practice of caring for a child with cancer. It is also evident that as the cure rate has increased, so have the efforts to improve quality of life. What has transcended time is the delivery of consistent and compassionate care, the education of patients and families, and the dedication to advocacy and support.

Child↗