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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Housing for the low-income urban population in Malawi : Towards an alternative approach

Chilowa, W. R. January 1987 (has links)
No description available.
2

Padrões alimentares de indivíduos em situação de pobreza / Eating patterns of individuals in poverty\'s situation

Santos, Roberta de Oliveira 16 January 2019 (has links)
Introdução - Os padrões alimentares de refeições, comparados aos padrões diários, discriminam com mais acuidade a alimentação dos indivíduos, que por sua vez é muito influenciada pela renda, no entanto há poucos estudos. Objetivos - Realizar uma revisão sistemática da literatura sobre as definições de café da manhã, almoço e jantar. Adaptar um índice de qualidade do café da manhã. Estudar os padrões de refeições de indivíduos em situação de pobreza. Métodos - Foi realizada uma extensiva busca em base de dados online. Breakfast Quality Meal Index (BMQI) foi baseado e adaptado do Main Meal Quality Index e recomendações internacionais para avaliar a qualidade do café da manhã. Foram utilizados dados brasileiros da Pesquisa de Orçamentos Familiares e britânicos do National Diet and Nutrition Survey para comparar os padrões de refeições de indivíduos em situação de pobreza através de três parâmetros: frequência alimentar, omissão das refeições e qualidade da refeição. Foram considerados em pobreza relativa os indivíduos com renda equivalente, em dólar, abaixo de 60% da mediana da renda nacional anual equivalente, perfazendo uma amostra final de 3073 brasileiros e 464 britânicos. As análises estatísticas foram efetuadas no STATA®, sendo considerado o nível de significância de 5%. Resultados - A revisão sistemática encontrou 21 definições distintas de refeições que variaram de um a quatro critérios usados simultaneamente. As definições mais utilizadas foram \"pre-determined eating events\" (61.5% dos estudos), \"self-report\" (13.1%) e \"time-of-day\" (7.8%). O BMQI foi positivamente associado com carboidrato (g), proteína (g), fibra (g), vitaminas e minerais (mg) e negativamente associado com gordura total (g), gordura saturada (g), colesterol (mg), e açúcar de adição (g). O BMQI foi positivamente associado com idade, renda, área rural e qualidade da dieta; e negativamente associado com o índice de massa corpórea. Na comparação dos padrões de refeições de brasileiros e britânicos em situação de pobreza, estes últimos realizaram mais refeições (4,7 versus 3,8) (p<0,001), no entanto, os brasileiros pularam menos o café da manhã, almoço e jantar. Não houve diferença entre os países para a qualidade geral do café da manhã, porém, em relação aos componentes, os britânicos apresentaram melhores pontuações para proteína, cálcio e frutas e os brasileiros para fibra, gordura saturada, açúcar de adição e carne processada (p<0,001). Os brasileiros apresentaram melhores pontuações para almoço e jantar (69,2 e 62,1 respectivamente) quando comparados aos britânicos (45,9 e 48,3, respectivamente). As pontuações de gordura saturada e gordura total do almoço e jantar dos brasileiros superaram o dobro dos indivíduos britânicos. Conclusões - Levando em consideração o número de diferentes definições de refeições, um consenso é necessário na sua padronização. O BMQI identificou a qualidade do café da manhã, mostrando um papel protetor contra o excesso de peso nos brasileiros. Brasileiros em situação de pobreza apresentaram melhores padrões de refeições, pularam menos refeições e apresentaram melhor qualidade de almoço e jantar e melhor escore para marcadores de dieta saudável quando comparados aos britânicos. / Introduction - Meals patterns more accurately than daily patterns distinguish individuals\' diet and are strongly influenced by income levels; however, there are only few studies. Objectives - To perform a systematic review about breakfast, lunch and dinner definitions. To adapt for breakfast a meal quality index. To study the meals\' pattern of individuals in poverty situation. Methods - Extensive search in online databases was performed. The Breakfast Meal Quality Index (BMQI) was adapted from Main Meal Quality Index including also international nutritional recommendations to evaluate the breakfast quality. Data from two cross-sectional population-based studies, one from Brazil, the National Diet Survey, and one from the UK, the National Diet and Nutrition Survey rolling programme were used to compare the meals\' patterns of individuals in poverty situation through three parameters: eating frequency, meals omission and meals\' quality. Individuals with equivalised income, in dollar, 60% below of the national annual equivalised median income were considered as in relative poverty, performing a final sample of 3,073 Brazilians and 464 British. All analyses were performed using the software Stata, and it was considered a significance level of 5%. Results - The present review showed twenty one distinct definitions of meals that ranged from one to four criteria used simultaneously. The three most used meal definitions were \"pre-determined eating events\" (61.5% of the studies), \"self-report\" (13.1%) and \"time-of-day\" (7.8%). The BMQI was positively associated with the following nutrients: carbohydrate (g), protein (g), fiber (g), vitamins and minerals (mg) and negatively associated with total fat (g), saturated fat (g), cholesterol (mg) and added sugar (g). BMQI score was positively associated with age, income, rural residence area and diet quality; and negatively associated with body mass index. Adults in relative poverty situation in the UK had higher eating frequency (4.7 versus 3.8 of Brazilians) (p<0.001), however, Brazilians skipped less breakfast, lunch and dinner. There was no difference between the countries for breakfast quality, but British presented better score for protein, calcium and fruits components (p<0.001), and Brazilians for fiber, saturated fat, added sugar and processed meat at breakfast (p<0.001). For lunch and dinner qualities, Brazilians in relative poverty presented better score (69.2 e 62.1, respectively) when compared to British in similar situation (45.9 e 48.3). Saturated and total fat components scores of Brazilian\'s lunch and dinner surpassed the double of British in relative poverty. Conclusions - Taking into consideration the number of different meals definitions, a consensus is needed on their standardization. The BMQI adequately discriminated the breakfast, showing a protective role against overweight in Brazilians. Brazilians in relative poverty situation presented better meal patterns, skipped fewer meals, and had better lunch and dinner quality and better scores for unhealthy diet markers when compared to British.
3

APPLYING THE THEORY OF DIFFUSION OF INNOVATIONS TO UNDERSTAND ELECTRONIC BENEFIT TRANSFER TECHNOLOGY ADOPTION AT MID-WEST FARMERS MARKETS

Hasin, Afroza 01 May 2016 (has links)
The Supplemental Nutrition Assistance Program (SNAP, previously ‘food stamps’), is the nation’s largest federal entitlement nutritional assistance program which assists individuals and households living below the federal poverty level in order to reduce the amount of money they spend on food. With the conversion of food stamps coupons to Electronic Benefit Transfer (EBT), vendors at farmers markets are unable to accept SNAP benefits due to lack of necessary technology adoption. The number of farmers markets has increased 39 percent since 2010 yet only 21 percent of the nation’s farmers markets are equipped to accept EBT (USDA AMS, 2015a). The purpose of this cross-sectional study was to apply the theory of Diffusion of Innovations (DOI) to explain EBT technology adoption at mid-west farmers markets (Illinois, Michigan, and Wisconsin). This study intended to identify the socio-demographic characteristics and levels of communication of farmers market managers, market compatibilities, and perceived EBT attributes that might influence EBT adoption at farmers markets. A survey was administered electronically to market managers of three mid-west states to collect the necessary information to answer the research objectives. A total of 181 managers completed the survey. Logistic regression analyses were used to identify effects of several variables on EBT adoption. Analysis of Variance and Chi-square test were utilized to compare the states and adopter groups. Results of logistic regression showed significant effects of specific variables on EBT adoption. Market managers’ level of communication (Farmers Market Association membership and having partnerships with other organizations), market characteristics (availability of public transports to the market and number of SNAP recipients living in the area), and market managers’ perceptions of EBT attributes (perceived usefulness, ability to try-out, and acceptability) were statistically significant predictors of EBT adoption. For market managers and organizers who are seeking resources and considering EBT adoption assessment of compatibility and level of communication prior to adoption should be considered. In conclusion, the theory of DOI was able to explain effects of market characteristics, market managers’ level of communication, and perceived attributes of EBT on its adoption among the respondents of mid-west farmers markets. Findings of the study can be useful for policymakers in navigating through financial, human, organizational, and political constraints to develop a reachable goal in providing EBT to farmers markets across the nation. Improving the rate of EBT adoption will ultimately have a positive impact on the health of low-income population and sustainability of local agriculture.
4

Os consumidores das camadas de baixa renda e o valor percebido do seu consumo : uma abordagem qualitativa

Saldanha, Carlos Sergio Valdez January 2013 (has links)
O presente trabalho tem por objetivo descrever o valor percebido dos consumidores das camadas de baixa renda, moradores de bairros notadamente pobres de Porto Alegre, sobre o seu consumo de alimentos e produtos de limpeza, adquiridos preferencialmente em estabelecimentos comerciais (pequenos mercados) de bairros. Ao partir da premissa de que os consumidores das camadas de baixa renda pagam mais por seus alimentos e produtos de limpeza, se buscou investigar seus hábitos de consumo, procurando entender as motivações que norteiam seu consumo, aspectos cujo entendimento nos leva também a compreender o valor percebido que estes consumidores atribuem ao seu universo de consumo. Para tanto, o trabalho foi apoiado num referencial teórico essencialmente da área de marketing, transitando por aspectos essenciais da disciplina, como preço, comportamento de consumo, níveis de envolvimento e percepção de valor (noção de justiça X noção de injustiça). A opção pela abordagem qualitativa deve-se ao fato de que o objeto de estudo não demanda um resultado que possa ser expresso em números, mas a descrição e o melhor entendimento de um fenômeno social. Recentemente, Deighton; MacInnis; McGill & Shiv (2010) destacaram as pesquisas conceituais como ricas em ideias, na maior parte das vezes inovadoras, interessantes, fundamentadas teoricamente e capazes de estimular outras pesquisas, além de proporcionarem novas maneiras de se pensar o comportamento do consumidor. A utilização de uma etapa de observação ao trabalho proporcionou uma vivência fundamental do universo de estudo e sedimentou o terreno para a elaboração e execução das entrevistas em profundidade, instrumento este que propiciou uma riqueza significativa de informações na sua coleta. Por fim, a análise de conteúdo, apoiada nos trabalhos de Bardin (1979) e Minayo (2012), trouxe à tona resultados que demonstram um valor percebido de seu consumo altamente positivo pelas camadas de baixa renda da população, afastando a ideia de injustiça pelos preços mais altos que pagam e colocando os estabelecimentos comerciais (pequenos mercados) de bairros de baixa renda no centro de um processo de sociabilização das comunidades, aonde as pessoas encontram confiança, ética e, em especial, um universo de consumo com o qual tem afinidade cultural, colocando o valor percebido em um patamar muito distante dos modelos tradicionais de preço, qualidade e conveniência. / This monograph aims to describe the perceived value of low-income consumers, residents of poor neighborhoods in Porto Alegre, on their consumption of food and cleaning products, preferably acquired in neighborhood’s shops (small markets). Based on the premise that consumers of low income populations pay more for their food and cleaning products, seek to investigate their consumption habits, trying to understand the motivations that guide their consumption, aspects whose understanding leads us also to understand the perceived value these consumers attach to their universe of consumption. Therefore, the work was supported by a theoretical framework mainly in the area of marketing, moving through the essential aspects of the discipline, such as price, to consumer behavior, levels of involvement and perceived value (notion of justice X notion of injustice). The choice of a qualitative approach is due to the fact that the object of study does not require a result that can be expressed in numbers, but an understanding, as it is a description of a social phenomenon at its best. Recently, Deighton; MacInnis; Shiv & McGill (2010) highlighted the research conceptual as rich in ideas, in most cases innovative, interesting, theoretically grounded and able to stimulate further research, in addition to providing new ways of thinking about the behavior of consumer. Using an observation phase the work experience provided a fundamental study of the universe and cemented the ground for the development and implementation of in-depth interviews, this instrument that provided a significant wealth of information in its collection. Finally, content analysis, supported by the work of Bardin (1979) and Minayo (2012), brought up results that demonstrate a perceived value of their consumption highly positive by layers of low-income population, pushing the idea of injustice by higher prices they pay and putting commercial establishments (small markets) of low-income neighborhoods in the center of a process of socialization of communities, where people are trusted, ethical and, in particular, a universe with which the consumer has an cultural affinity, placing the perceived value at a level far away from the traditional models of price, quality and convenience.
5

Os consumidores das camadas de baixa renda e o valor percebido do seu consumo : uma abordagem qualitativa

Saldanha, Carlos Sergio Valdez January 2013 (has links)
O presente trabalho tem por objetivo descrever o valor percebido dos consumidores das camadas de baixa renda, moradores de bairros notadamente pobres de Porto Alegre, sobre o seu consumo de alimentos e produtos de limpeza, adquiridos preferencialmente em estabelecimentos comerciais (pequenos mercados) de bairros. Ao partir da premissa de que os consumidores das camadas de baixa renda pagam mais por seus alimentos e produtos de limpeza, se buscou investigar seus hábitos de consumo, procurando entender as motivações que norteiam seu consumo, aspectos cujo entendimento nos leva também a compreender o valor percebido que estes consumidores atribuem ao seu universo de consumo. Para tanto, o trabalho foi apoiado num referencial teórico essencialmente da área de marketing, transitando por aspectos essenciais da disciplina, como preço, comportamento de consumo, níveis de envolvimento e percepção de valor (noção de justiça X noção de injustiça). A opção pela abordagem qualitativa deve-se ao fato de que o objeto de estudo não demanda um resultado que possa ser expresso em números, mas a descrição e o melhor entendimento de um fenômeno social. Recentemente, Deighton; MacInnis; McGill & Shiv (2010) destacaram as pesquisas conceituais como ricas em ideias, na maior parte das vezes inovadoras, interessantes, fundamentadas teoricamente e capazes de estimular outras pesquisas, além de proporcionarem novas maneiras de se pensar o comportamento do consumidor. A utilização de uma etapa de observação ao trabalho proporcionou uma vivência fundamental do universo de estudo e sedimentou o terreno para a elaboração e execução das entrevistas em profundidade, instrumento este que propiciou uma riqueza significativa de informações na sua coleta. Por fim, a análise de conteúdo, apoiada nos trabalhos de Bardin (1979) e Minayo (2012), trouxe à tona resultados que demonstram um valor percebido de seu consumo altamente positivo pelas camadas de baixa renda da população, afastando a ideia de injustiça pelos preços mais altos que pagam e colocando os estabelecimentos comerciais (pequenos mercados) de bairros de baixa renda no centro de um processo de sociabilização das comunidades, aonde as pessoas encontram confiança, ética e, em especial, um universo de consumo com o qual tem afinidade cultural, colocando o valor percebido em um patamar muito distante dos modelos tradicionais de preço, qualidade e conveniência. / This monograph aims to describe the perceived value of low-income consumers, residents of poor neighborhoods in Porto Alegre, on their consumption of food and cleaning products, preferably acquired in neighborhood’s shops (small markets). Based on the premise that consumers of low income populations pay more for their food and cleaning products, seek to investigate their consumption habits, trying to understand the motivations that guide their consumption, aspects whose understanding leads us also to understand the perceived value these consumers attach to their universe of consumption. Therefore, the work was supported by a theoretical framework mainly in the area of marketing, moving through the essential aspects of the discipline, such as price, to consumer behavior, levels of involvement and perceived value (notion of justice X notion of injustice). The choice of a qualitative approach is due to the fact that the object of study does not require a result that can be expressed in numbers, but an understanding, as it is a description of a social phenomenon at its best. Recently, Deighton; MacInnis; Shiv & McGill (2010) highlighted the research conceptual as rich in ideas, in most cases innovative, interesting, theoretically grounded and able to stimulate further research, in addition to providing new ways of thinking about the behavior of consumer. Using an observation phase the work experience provided a fundamental study of the universe and cemented the ground for the development and implementation of in-depth interviews, this instrument that provided a significant wealth of information in its collection. Finally, content analysis, supported by the work of Bardin (1979) and Minayo (2012), brought up results that demonstrate a perceived value of their consumption highly positive by layers of low-income population, pushing the idea of injustice by higher prices they pay and putting commercial establishments (small markets) of low-income neighborhoods in the center of a process of socialization of communities, where people are trusted, ethical and, in particular, a universe with which the consumer has an cultural affinity, placing the perceived value at a level far away from the traditional models of price, quality and convenience.
6

Os consumidores das camadas de baixa renda e o valor percebido do seu consumo : uma abordagem qualitativa

Saldanha, Carlos Sergio Valdez January 2013 (has links)
O presente trabalho tem por objetivo descrever o valor percebido dos consumidores das camadas de baixa renda, moradores de bairros notadamente pobres de Porto Alegre, sobre o seu consumo de alimentos e produtos de limpeza, adquiridos preferencialmente em estabelecimentos comerciais (pequenos mercados) de bairros. Ao partir da premissa de que os consumidores das camadas de baixa renda pagam mais por seus alimentos e produtos de limpeza, se buscou investigar seus hábitos de consumo, procurando entender as motivações que norteiam seu consumo, aspectos cujo entendimento nos leva também a compreender o valor percebido que estes consumidores atribuem ao seu universo de consumo. Para tanto, o trabalho foi apoiado num referencial teórico essencialmente da área de marketing, transitando por aspectos essenciais da disciplina, como preço, comportamento de consumo, níveis de envolvimento e percepção de valor (noção de justiça X noção de injustiça). A opção pela abordagem qualitativa deve-se ao fato de que o objeto de estudo não demanda um resultado que possa ser expresso em números, mas a descrição e o melhor entendimento de um fenômeno social. Recentemente, Deighton; MacInnis; McGill & Shiv (2010) destacaram as pesquisas conceituais como ricas em ideias, na maior parte das vezes inovadoras, interessantes, fundamentadas teoricamente e capazes de estimular outras pesquisas, além de proporcionarem novas maneiras de se pensar o comportamento do consumidor. A utilização de uma etapa de observação ao trabalho proporcionou uma vivência fundamental do universo de estudo e sedimentou o terreno para a elaboração e execução das entrevistas em profundidade, instrumento este que propiciou uma riqueza significativa de informações na sua coleta. Por fim, a análise de conteúdo, apoiada nos trabalhos de Bardin (1979) e Minayo (2012), trouxe à tona resultados que demonstram um valor percebido de seu consumo altamente positivo pelas camadas de baixa renda da população, afastando a ideia de injustiça pelos preços mais altos que pagam e colocando os estabelecimentos comerciais (pequenos mercados) de bairros de baixa renda no centro de um processo de sociabilização das comunidades, aonde as pessoas encontram confiança, ética e, em especial, um universo de consumo com o qual tem afinidade cultural, colocando o valor percebido em um patamar muito distante dos modelos tradicionais de preço, qualidade e conveniência. / This monograph aims to describe the perceived value of low-income consumers, residents of poor neighborhoods in Porto Alegre, on their consumption of food and cleaning products, preferably acquired in neighborhood’s shops (small markets). Based on the premise that consumers of low income populations pay more for their food and cleaning products, seek to investigate their consumption habits, trying to understand the motivations that guide their consumption, aspects whose understanding leads us also to understand the perceived value these consumers attach to their universe of consumption. Therefore, the work was supported by a theoretical framework mainly in the area of marketing, moving through the essential aspects of the discipline, such as price, to consumer behavior, levels of involvement and perceived value (notion of justice X notion of injustice). The choice of a qualitative approach is due to the fact that the object of study does not require a result that can be expressed in numbers, but an understanding, as it is a description of a social phenomenon at its best. Recently, Deighton; MacInnis; Shiv & McGill (2010) highlighted the research conceptual as rich in ideas, in most cases innovative, interesting, theoretically grounded and able to stimulate further research, in addition to providing new ways of thinking about the behavior of consumer. Using an observation phase the work experience provided a fundamental study of the universe and cemented the ground for the development and implementation of in-depth interviews, this instrument that provided a significant wealth of information in its collection. Finally, content analysis, supported by the work of Bardin (1979) and Minayo (2012), brought up results that demonstrate a perceived value of their consumption highly positive by layers of low-income population, pushing the idea of injustice by higher prices they pay and putting commercial establishments (small markets) of low-income neighborhoods in the center of a process of socialization of communities, where people are trusted, ethical and, in particular, a universe with which the consumer has an cultural affinity, placing the perceived value at a level far away from the traditional models of price, quality and convenience.
7

Social businesses in large companies: a case study in Brazil

Testa, Luigi 07 November 2012 (has links)
Submitted by Luigi Testa (luigi_testa@hotmail.it) on 2012-11-19T15:23:26Z No. of bitstreams: 1 THESIS Luigi Testa.pdf: 3189549 bytes, checksum: 17aed70d896baeab5cc4eed6e10a3856 (MD5) / Approved for entry into archive by Eliene Soares da Silva (eliene.silva@fgv.br) on 2012-11-21T15:33:37Z (GMT) No. of bitstreams: 1 THESIS Luigi Testa.pdf: 3189549 bytes, checksum: 17aed70d896baeab5cc4eed6e10a3856 (MD5) / Made available in DSpace on 2012-11-21T17:22:12Z (GMT). No. of bitstreams: 1 THESIS Luigi Testa.pdf: 3189549 bytes, checksum: 17aed70d896baeab5cc4eed6e10a3856 (MD5) Previous issue date: 2012-11-07 / O ambiente econômico global tem registrado um conjunto de mutações poderosos durante a última década. A liderança dos países ocidentais tem sido contestada pelo crescimento de novos atores no interior da arena global, determinando uma mudança dos interesses das nações bem estabelecidas, para realidades que antes eram considerados subdesenvolvidos ou incapaz de desempenhar um papel de liderança dentro do contexto da economia global. Assim, os países emergentes ganharam a atenção dos teóricos e gerentes internacionais, que começaram a olhar para estes assuntos, não só pelo seu potencial econômico, mas também para a identificação de novas soluções para a criação de um mundo mais sustentável. A tese em questão, estruturada como um case study, precisamente tenta compreender e retratar os dois temas mencionados acima. Por um lado, a pesquisa irá investigar as dimensões do mercado da BoP, com um foco no mercado brasileiro, pelo outro lado, o trabalho irá descrever uma soluções possíveis para explorar os mercados em desenvolvimento por grandes empresas privadas: o modelo de negócio social. Este novo paradigma, que combina o desempenho financeiro com a realização de impactos sociais entre a comunidade selecionada, será aprofundar através de um caso concreto implementado pela Coca-Cola Company no Brasil, o Projeto Coletivo. De acordo com as observações preliminares, o estudo de caso terá como objetivo compreender os desafios, as oportunidades, os obstáculos organizacionais e os métodos que podem subir a partir da implementação de um negócio social em um país em desenvolvimento seguindo a perspectiva anteriormente. Os resultados obtidos mostraram que, embora o paradigma pode representam uma solução viável, muitas questões organizacionais e culturais precisam ser levados em consideração para a sua implementação bem sucedida.
8

Les mobilités des populations à faibles revenus à Libreville : l'exemple des quartiers périphériques / The mobility of weak revenue populations in Libreville : the example of suburbs

Bigoumou Moundounga, Guy-Obain 19 September 2011 (has links)
Cette étude se focalise sur les mobilités quotidiennes des populations à faibles revenus habitant les quartiers périphériques Nord et Est de Libreville, éloignés des services et des lieux d’emplois. En croisant les outils de la géographie des transports qui éclairent les enjeux sociaux, spatiaux et environnementaux des transports avec ceux de la géographie sociale, qui concernent les représentations de l’espace et leur appropriation par les populations, ce travail tente de renouveler les connaissances sur la manière dont les populations pauvres se déplacent. Il relativise la place importante très souvent accordée à la marche à pied dans les travaux portant sur les villes subsahariennes. Il se dégage de cette étude que les mobilités des plus démunis reposent davantage sur l’usage des modes motorisés, particulièrement les transports dit « suburbains », plus disponibles et moins onéreux pour ces usagers. / This study focuses on the daily mobility of low-income populations, particularly those living in suburbs of the north and east of Libreville, far from remote services and places of employment. By using the tools of geographical transport, which sheds light on the social, spatial and environmental issues of transport, and mobilizing at the same time the concepts of social geography on the representations of space and ownership by the people, this work attempts to renew the knowledge on how poor people are moving. It put into perspective the importance often given to pedestrian mobility within Sub-Saharan cities. It emerges from this study that mobility of poor people rely more on the use of motorized transport especially, so called “suburban transports”, which are more available and less expensive for those users.
9

CIMT and cardiovascular risk in five-year-old children in a low socioeconomic population exposed to alcohol and nicotine during pregnancy: a case-control study

Hartel, Tammy Charlene January 2020 (has links)
Magister Scientiae (Medical Bioscience) - MSc(MBS) / Cardiovascular diseases (CVD) are among the top 10 causes of death in all ages in South Africa. The prevalence of maternal smoking and alcohol consumption during pregnancy is alarmingly high in South Africa. In utero exposure to nicotine and alcohol may cause CVD later in life. There is a global need for early detection of CVD especially those vulnerable during early childhood, to prevent the development of CVD risk factors in adulthood. The aim of this study was to compare CVD risk in five-year-old children from a low socio-economic population with in utero dual exposure to nicotine and alcohol and in utero nicotine exposure by measuring carotid intima-media thickness (cIMT), anthropometric measurements and clinical measurements including blood pressure. A case-control study was conducted on 468 children at five years old through interviews to collect data on demographic characteristics and health statistics. The cIMT was measured using B-mode ultrasonography. Anthropometric measurements were taken such as skinfold thickness, waist circumference, height and weight to calculate Body Mass Index (BMI). Blood pressure measurements such as systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP) and heart rate (HR) were taken. The data was analysed using SPSS version 26. Descriptive and inferential statistics (Spearman’s correlations, non-parametric partial correlations), Kruskal-Wallis H, Chi-square tests and logistic regression were used for statistical analysis. Results showed a significantly higher right cIMT (RcIMT) (0.36 ± 0.05 mm; P < 0.01) in children with in utero exposure to nicotine and alcohol during pregnancy and a higher RcIMT in males (0.37 ± 0.06 mm; P < 0.01) with in utero dual exposure to nicotine and alcohol when compared to females. A significant association was found between in utero dual exposure to nicotine and alcohol and a high RcIMT, specifically in females at five years old after the adjustment for confounders (B= -1.618, P = 0.002). Consequently, females in the dual exposed group were 7.6 times more likely to exhibit higher RcIMT with a relative risk of 2.6 times greater to children with no exposure. Females also had significantly higher SBP (U= 3829.50, p <0.01), DBP (U= 3527.50, p <0.05), MAP (U= 3561.00, p <0.05) and HR (U= 3887.50, p <0.01) in the dual exposed group. Cardiovascular risk factors were modestly prevalent at five years old in children with in utero teratogen exposures. However, increased adiposity indices were not observed in this population at five years old and were not associated with teratogen exposures. This may indicate that dual exposure to nicotine and alcohol has a significant effect on the intima-media thickness of the carotid arteries in children, but not necessarily on central and peripheral adiposity at five years old. Therefore, CVD risk factors need to be identified early in children in low socioeconomic regions with in utero exposure to nicotine and alcohol to prevent CVD later in life.
10

Three Essays on the Impact of Publicly Funded Programs on the Well-Being of Lower-Income Individuals

Zhang, Runtian January 2021 (has links)
No description available.

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