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Results for “Rural Spatial Distribution”

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At least 379 records · Page 21Linked to original sources
PubMed1994

Interactions between birth cohort and urbanization on gastric cancer mortality in Taiwan.

Birth-cohort analysis is of particular importance for gastric cancer since migrant studies have indicated that early life experiences play a dominant role in the occurrence of the disease. However, none of the birth-cohort analyses conducted in various countries have provided information on variation in the birth-cohort phenomenon. To examine the interaction of birth cohort and urbanization, mortality data for gastric cancer between 1971 and 1990 in differentially urbanized areas in Taiwan were analysed. Traditional birth-cohort analysis and age-period-cohort (APC) analysis were employed in the study. The identification problem inherent in the APC analysis was circumvented by the 'individual record' method. Grading of the degree of urbanization of each township and district in Taiwan was based on an urbanization index derived from several demographic and socioeconomic variables. The birth-cohort effects diffused from urban to rural areas after fitting the APC model. In the older generations, born before 1910, the relative risks of gastric cancer were higher in urban areas than in rural ones, but in recent generations, i.e. those born after 1916-1922, the reverse was true. The age curves of gastric cancer mortality emerged as almost straight lines when plotted on a double logarithmic scale. Sex ratios increased with age up to age 60 and then remained constant. The spread of the birth-cohort effects suggested that dietary factors, e.g. dietary habits and food processing practices, in the early life of the population play an important role in the occurrence of gastric cancer.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1994

Community participation in vector control: lessons from Chagas' disease.

As applied to vector-borne disease control, the term community participation has been broadly interpreted. Community-based vector control projects have been described as having both active and passive components. Recently, community participation in organized efforts to control Chagas' disease has become more dynamic, with increasingly active involvement by local community members. Chagas' disease is a particularly significant vector-borne disease problem in the South American countries of Brazil, Venezuela, and Bolivia, and health officials there are beginning to emphasize horizontal or decentralized approaches to control of triatomine vectors. Experience suggests that vector control programs using community participation have significant and sustainable impact on vector density, appear to be more cost-effective than purely vertically structured programs, are readily integrated with other health or development programs, promote an enduring sense of pride in home and community, and are politically viable vector control strategies. Community participation per se has inherent value because of its positive effect on social relationships and community solidarity. Moreover, it is a dynamic process that results in accrued benefits for public health that exceed most vector control program goals and persist well beyond program termination.

Animals↗
PubMed1999

Effects of environmental factors on child survival in Bangladesh: a case control study.

The need for further studies on relationships between deaths and environmental variables has been reported in the literature. This case-control study was, therefore, carried out to find out the associations between several social and environmental variables and deaths of children due to infectious diseases such as those leading to diarrhoea, acute respiratory infection, measles and other diseases. Six hundred and twenty-five deaths (cases) and an equal number of matched living children (controls) aged 1-59 months, were studied in rural Matlab. An analysis of crude and adjusted odds ratio showed differential associations. Sources of drinking water, amount of stored water, conditions of latrines, number of persons sleeping with the child and the type of cooking site were statistically significantly associated with deaths due to infectious diseases after controlling for breast feeding, immunization, and the family size. Significant associations were also observed between: (i) the sources of drinking water and deaths due to ARI, and (ii) conditions of latrines and deaths due to diarrhoeal diseases, after controlling for the confounding variables. Several other environmental factors also showed associations with these various death groups, but they were not statistically significant. The size of the samples in death groups (small) and the prevalence of more or less homogeneous environmental health conditions probably diminished the magnitude of the effects. The results of the study reconfirm the importance of environmental health intervention in child survival, irrespective of breast-feeding, immunization, and selected social variables.

Bangladesh↗
PubMed1986

[[Demographic aspects of urbanization in the Lower Yangtze region in China, circa 1500-1900]].

Urbanization trends in the Lower Yangtze region of China from 1500 to 1900 are examined. Data are from a variety of sources, including genealogies, local records, and other literature. An attempt is made to analyze the demographic characteristics of the urban population. "The demographic characteristics in respect to marriage, fertility and mortality found from the genealogies do reveal that there were dissimilarities between the rural and urban dwelling populations. Moreover, findings related to migration tend to support that rural to urban migration was an important factor that speeded up urbanization in the Lower Yangtze Region." (SUMMARY IN ENG)

Asia↗
PubMed1982

Mauritius.

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Africa↗
PubMed1986

[The migration of the rural population of Central Java].

"The objectives of this study are to examine the migration, circulation, and commuting dimensions of population mobility in rural areas of Central Java. An analysis was made to gauge a relationship between the population mobility dimensions and the agricultural modernization in the different villages." The data were collected by means of systematic random sampling from nine villages in 1981. (SUMMARY IN ENG)

Agriculture↗
PubMed1983

Marriage migration, a neglected form of long-term mobility: a case study from Ilorin, Nigeria.

"This article examines the evidence for and possible significance of marriage migration in and around the city of Ilorin, the capital of Kwara State, Nigeria, which has a population of about 400,000." The study "reveals a movement of rural women to marry into wealthy polygymous compounds in the city and the return of some of these women to their rural natal compounds later in life. This movement may be an explanation for the high proportion of women in indigenous towns, and perhaps also in some newer medium-sized settlements. It can also be seen as a reflection of the unequal and exploitive relationship between the towns and their rural hinterland."

Africa↗
PubMed1985

Gambia.

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Africa↗