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Kasimba, S.N.

Utilisation of traditional and indigenous foods and potential contribution to consumers’ nutrition and vendors’ income in Botswana

Kasimba, S.N.

Titre : Utilisation of traditional and indigenous foods and potential contribution to consumers’ nutrition and vendors’ income in Botswana

Auteur : Kasimba, S.N.

Université de soutenance : North-West University

Grade : Doctor philosophiae in Nutrition 2018

Résumé partiel
Food systems are changing due to drivers such as urbanisation, nutrition transition and globalisation. As a result, there is reduced utilisation of traditional and indigenous foods (TIF) towards westernised diets. Food insecurity and all forms of malnutrition co-exist in different regions of the world, including Botswana. Traditional or indigenous foods are believed to provide better quality diets. There is, however, limited information on extent of access to and consumption of (TIF) in Botswana. Aim : The aim of the study was to explore access to and consumption of TIF among rural and urban households in Botswana. In addition, the study sought to investigate the importance of TIF among street vendors of TIF in Gaborone. Methods : The first component of this study determined household access to TIF and their association to household food security (access), household dietary diversity (HDD) and women BMI through a sequential explanatory mixed methods design ; including a random household cross-sectional survey on household food insecurity (access), household dietary diversity (HDD) and women’s BMI ; followed by eight focus group discussions (FGDs) among purposefully selected participants on their perceptions of TIF. The study involved 400 households and 253 women in these households. The second component determined consumption of TIF and their contribution to dietary nutrients intake of energy, protein, iron, zinc and vitamin A among children 2-5 and women 18-49 years old in Botswana. This was part of a cross-sectional study mentioned in the first component of this study. A 30-day quantitative food frequency questionnaire was administered to the sample which comprised of 173 children and 253 women. The last component explored the relationship between vending TIF and vendors’ overall household income, vendors’ household food security (access) and vendors’ household dietary diversity. The study made use of sequential explanatory mixed methods design. Face to face interviews were conducted with purposively selected street vendors of TIF (n=27) in Gaborone, followed by three focus group discussions (FGDs), each with 6 participants (18 participants in total) to get an in-depth insight on the contribution of TIF to household income and perceived challenges in sourcing and vending TIF. Results : Study 1 : Almost two thirds of households experienced moderate or severe food insecurity (28.8 and 37.3%, respectively) while more than half of women were overweight or obese (26.9 and 26.9%, respectively)

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