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At least 19 recordsLinked to original sources
PubMed1990

Zinc in breast milk during prolonged lactation: comparison between the UK and the Gambia.

A total of 580 breast milk samples were collected from 56 lactating women living in a rural village community in The Gambia, West Africa, and 92 samples were obtained from 57 lactating women living in Cambridge, England. Total zinc content of each sample was measured by atomic absorption spectrometry, and pooled samples of the Gambian breast milks, representing successive periods of lactation, were fractionated into fat, whey and insoluble casein fractions, to examine zinc distribution. The two sets of milks both exhibited a dramatic decline in total zinc concentrations with increasing duration of lactation, in common with previous studies. However, the UK milks unexpectedly had lower zinc contents at all stages than the Gambian milks. Milk zinc levels were not significantly related to either maternal age or parity in the Gambian women. The proportion of zinc found in the sedimentable fraction remained nearly constant with increasing duration of lactation, but the proportion found in the fat fraction increased and the proportion in the whey fraction declined. These observations are potentially relevant for estimations of milk zinc availability and the fulfillment of zinc requirements by infants, and hence for infant feeding practices.

Adolescent↗
PubMed1979

[Epidemiology of breast cancer in Austria (author's transl)].

In cooperation with the Austrian National Institute for Statistics the incidence-rates of breast cancer in Austria in the period of 1971-1975 were investigated. The incidence-rate of breast cancer (50 new cases/year/100,000 women) is higher than the incidence-rate of cervical or endometrium carcinoma. The increasing risk of the higher age-groups, which is especially expressed by the incidence-rate of 145 in the age-group of 70 or more years, is pointed out. This findings are of great consequence to the system of preventive medical care. In urban areas the incidence of breast cancer seems to be higher than in rural district.

Adolescent↗
PubMed1977

[Data cross-cut and the field of rehabilitation medicine at a vocational re-training centre (author's transl)].

Identified and evaluated were a number of medical and sociological data, e.g. diagnosis, age, population of the place of residence, financially responsible agencies, on 1399 rehabilitees who were admitted to the Dortmund vocational re-training centre during the first five years of its operation (1971-1975). The primary diagnoses (highly identical with those indicative of vocational rehabilitation) and the overall diagnoses (primary and secondary diagnoses) were classified into disease groups according to the ICD and compared with the frequency distribution in the 1970 microcensus. Significance computations determined yearly deviations of the different data, i.e., a significantly steady increase in emotional disturbances. The classification of diseases and disabilities clearly shows the problem complex of adequate comprehensive therapy and medical care, and marks the role of medicine at a vocational re-training centre.

Adolescent↗
PubMed1975

Production and consumption of alcoholic beverages in the USSR. A statistical study.

The Soviet government has published few official statistics on alcoholic beverages. Using Soviet statistical, commerical and technical sources, however, estimates can be derived on the production and consumption of alcoholic beverages during the 1957-71 period, including urban and rural consumption, expenditures, tax revenues, imports and exports and use of agricultural products.

Agriculture↗
PubMed1991

HIV-1 seropositivity and mortality at University Hospital, Kinshasa, Zaire, 1987.

This study examines the impact of HIV-1 infection and AIDS on 500 of 563 consecutive deaths at University Hospital, Kinshasa, Zaire, in late 1987. HIV-1 seroprevalence was 31% for the entire population and 43% for the 247 adults. Forty-two (38%) of the 110 HIV-1-seropositive adult deaths occurred in those between the ages of 25 and 34 years. The mean age of death for seropositives was 36 years, 7.5 years less than seronegative deaths. AIDS and AIDS-associated diagnoses such as cryptococcal meningitis, chronic diarrhea and pneumonia accounted for 42% of all adult deaths and 74% of all HIV-1-seropositive adult deaths. Seventeen per cent of 50 sera initially negative by enzyme-linked immunosorbent assay (ELISA) were ultimately found to be HIV-1-seropositive by Western blot or p24 antigen testing. The data indicate that HIV-1 infection and AIDS contribute significantly to adult mortality in Kinshasa population and that sensitivity of ELISA tests decreases in terminal HIV-1 infection.

Acquired Immunodeficiency Syndrome↗
PubMed1990

Vasectomy and cardiovascular deaths in Korean men: a community-based case-control study.

This community-based case-control study was carried out in four cities in South Korea to examine whether vasectomy is associated with a long-term increased risk of cardiovascular death in Korean men. Our results coincide with those from epidemiological studies conducted in Western countries as well as the one study conducted in China and do not support the vasectomy--atherosclerosis hypothesis originating from animal research.

Adult↗
PubMedDate not supplied

[Fatal kidney diseases due to analogesic abuse in Switzerland].

As part of an investigation into death by poisoning in Switzerland we were able to examine the register of deaths at the Swiss Federal Bureau of Statistics. All the medical reports which named analgesic nephropathy as being the basic illness and the main cause of death have been taken into consideration in this work. 331 deaths occurred in the five year period 1967-1971, and were studied as closely as the documents allowed. The earliest cases of death arose in the thirties, the maximum number however occurring between the age of 60 and 70. Between the onset of kidney damage and the actual death elapses a period of about 10 years. The ratio from woman to man is almost 2,8:1. The occurrence is particularly frequent among childless housewives. The victims are people of widely different occupations and social classes. The analgesic nephropathy resulting from addiction and leading to death is most frequently encountered among the population of the cities, and the German Swiss Cantons, as well as among people of protestant faith. The shocking number of 331 deaths in five years (in 1973 there were a further 79 cases) bears witness to the need for adequate preventive measures.

Adolescent↗
PubMed1978

Lifestyle, health and disease: a comparison between Papua New Guinea and Australia.

The proposition that lifestyle is a major determinant of community health is explored by contrasting the features of a rural subsistence community in the highlands of Papua New Guinea and the features of the community in urbanized, industrialized Australia. Reference is made to differences in physical environment, housing, work, social situation, human relationships, patterns of disease, population statistics, diet, growth, obesity, physical fitness, blood lipid concentrations, blood pressure, salt intake and the occurrence of hypertension, diabetes, cardiovascular disease and signs of degenerative changes in various tissues. The Papua New Guinea community is seen as a self-reliant, self-contained, socially cohesive subsistence society whose members are well adapted to their physical and social environment, free from major degenerative cardiovascular diseases, with little overt psychiatric illness, but with a heavy burden of infectious disease, with marginal nutritional levels of degenerative disease and disease from psychological stress. It is clear that health, in its fullest sense, is not the prerogative of any one type of society.

Adolescent↗
PubMed1991

The Bedouin Infant Feeding Study: study design and factors influencing the duration of breast feeding.

A longitudinal study of infant feeding practices, growth and morbidity among Bedouin Arab infants residing in the Negev, Israel, was conducted during a 3-year period (1981-1983). Follow-up samples were restricted to healthy newborns. The majority of newborns are breast fed at birth but, by 2 months, 50% are also introduced to a milk supplement. Based on the bivariate analysis using the logrank test to examine the factors associated with exclusive versus partial breast feeding during the first 6 months, those born during the wet cool months are exclusively breast fed longer than those born during the dry season. More traditional women, living in tents rather than houses or huts, exclusively breast feed for at least 6 months. In a multiple logistic regression model, parity, house type and birth season are independently associated with the odds of exclusively breast feeding for the first 6 months of life. Factors influencing the duration of any breast feeding for the first 18 months include: house type, place of residence, birthweight, and whether the infant was stunted at 6 months.

Animals↗
PubMed1975

Rubella in Iceland.

Rubella has been a notifiable disease in Iceland since 1888. In this century rubella epidemics of increasing size have occurred at intervals of 5-10 years. The disease has spread throughout the country. About 75% of the patients were below 15 years of age at the time of the last two epidemics. Females account for 51-61 per cent of the reported cases. In this first study of the sero-epidemiology of rubella in Iceland, epidemiological data and blood samples were collected from 1464 women from 13 locations. The group of 1464 women was further divided into 12 age-groups (range 5-49 years), so as to make correlations with the last six epidemics. The immunity status was determined by measuring HI-antibodies in serum. 67.8 percent of the sera were positive (HI-titre greater than 20). 81.1 per cent of women of child-bearing age (16-42 ys.) were seropositive. Two of the age-groups have gone through only one epidemic '63-'64. Children who were then 1-3 ys. old have an immunity ratio of 46.1 per cent, this ratio being 73.3 per cent in the case of children who had attained school age. The immunity ratio is slightly lower among subjects from rural districts than among those from urban districts. Most of the women have caught the disease at the time of the first or second epidemic to occur in their lifetime. 11.6 per cent of persons giving a positive history were seronegative, 52.1 per cent of seropositive subjects gave a positive history. According to population statistics and the serological results it is estimated that appr. 1 out of 7 cases was reported in the epidemic '63-'64.

Adolescent↗
PubMed1991

Inbreeding in Finland.

We have compiled data on the frequency of first-cousin marriages in Finland using royal dispensation records for the time period 1810-1872 and national population statistics for the time period 1878-1920. For the earlier period, 0.315% of Finland's marriages were contracted between first cousins (2,331 of 739,387). During the second time period, 0.174% of Finland's marriages took place between first cousins (1,325 of 761,976). These figures, which yield average kinship coefficients of 0.00020 and 0.00011, respectively, show that the level of inbreeding in Finland due to first-cousin marriage has been quite low. An analysis of individual parishes shows that first-cousin marriages are, on average, substantially less frequent than predicted by a random-mating model. In order to evaluate determinants of first-cousin marriage, several predictive variables have been examined: parish ethnic composition (proportion of Swedish and Finnish speakers), husband's occupation (graded into 6 socioeconomic levels), geographic distance between spouses' premarital residences, population density, parish endogamy, and urban vs. rural residence. Various logistic and linear regression models were analyzed in which consanguinity was the dependent variable. The best predictors of consanguinity were ethnic composition and occupation. The other variables were not in general significant predictors. These results show that many of the "mate availability" factors that would be predicted theoretically to account for consanguinity variation (population density, geographic isolation, urban vs. rural residence) do not. Instead, the best predictors of consanguinity at the first-cousin level are cultural factors such as ethnicity and occupation. Evaluation of cultural variables can provide a greatly enriched interpretation of complex biosocial phenomena such as inbreeding.

Consanguinity↗
PubMed1992

Season of birth and recalled age at menarche.

All 8th-form schoolgirls from the municipality of Odense in Denmark were asked at what age they reached menarche, and 886 girls (97.6%) gave this information. There is no evidence for seasonality in the time of birth but for far more girls than expected menarche occurred during winter or summer and fewer than expected during spring and autumn. This pattern appears primarily in girls living in the suburbs and was not seen in those living in central Odense. The seasonality appears to be brought about by differences in mean age at menarche according to time of the year at birth.

Adolescent↗
PubMed1991

Brazil is getting older: demographic changes and epidemiological challenges.

Population ageing is currently a phenomenon not only in developed countries but also in third world countries. In this paper the features of a population's ageing and the process of epidemiological transition are discussed along with the worldwide changes in age-structure. Population statistics in Brazil and the characteristics of the elderly population are presented and analysed in the light of recent changes. The Brazilian elderly population is also discussed, particularly the issues relating to the social cost of the aged population, its urban and rural distribution, the elderly by sex, marital status and level of schooling, and emphasis is given to the imbalance of the sexes and the consequences of it for women.

Age Factors↗