Browsing by Author "Mchiza, Zandile"

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    Consumption patterns of street food consumers in Cape Town
    (South African Association of Family Ecology and Consumer Sciences (SAAFECS)., 2016) Hill, Jillian; Mchiza, Zandile; Fourie, Jean; Puoane, Thandi; Steyn, Nelia
    Street foods (SF) contribute significantly to the diet of people living in low- and middle-income countries, however there is a paucity of data on consumption patterns of SF. Since many South Africans consume SF regularly, it is important to determine their purchasing habits, food choices, and nutrition knowledge. A cross-sectional survey conducted in Cape Town metropolitan area, with trained fieldworkers using a structured questionnaire on 1121 SF consumers. The first ten clients who visited a randomly-sampled SF vendor were approached and invited to participate. Data were analysed using IBM Statistics SPSS version 23. Most consumers were black, male, single, and had some high-school education and/or matriculated. Main findings indicated that 38% of these consumers consumed SF almost daily, 43.3% consumed SF frequently (2-3 times per week) and 29% spent between R600 and R899 per month on SF. Items purchased most often in descending order of frequency were fruit, foods and baked products, cold drinks, sweets, peanuts, crisps, fruit juice, biscuits, and chocolates. If healthier SF were available, 96% consumers indicated they would purchase these, with fruit, meat/chicken and vegetable stew, yoghurt and nuts being preferred options. There is a large market for SF consumers in Cape Town. However, most food items consumed, with the exception of fruit and peanuts, are unhealthy by virtue of their high sugar and fat content. SF consumers are however, willing to purchase healthier foods, should these be available.
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    The development of a street-food vending model that offers healthy foods for sale
    (University of the Western Cape, 2016) Hill, Jillian; Puoane, Thandi; Mchiza, Zandile; Steyn, Nelia
    Background: Street foods (SF) contribute significantly to the nutritional intake of adults and children in developing countries. They are inexpensive and a major source of income for a vast multitude. A major concern is the so-called ‘nutrition transition’, which has led to an increase in foods high in saturated fats, trans fats, sugar and salt, along with processed food items sold on urban community streets in developing countries. These foods contribute to nutritional disorders in the communities where consumed. South Africa’s stable unemployment rate, estimated at 25%, has further influenced business growth in the informal sector, particularly SF vending. As such, a well-developed SF-vending model (SFVM) could potentially address the challenges of unemployment and improve the nutritional status of poorer South Africans. Aim: To develop a sustainable SFVM for selling healthy and safe SF in the City of Cape Town enabling street vendors to make a decent living, and consumers to make healthy choices regarding food purchasing. Methods: This cross-sectional study employed mixed methodology (collecting qualitative and quantitative data). The study was conducted in three phases. Phase 1a: Situation Analysis. This a SF-vendor survey which collected a) socio-demographic factors, b) vendors’ business operational models, c) food items sold, d) available facilities, e) challenges faced, f) certification, and g) nutrition knowledge using a validated questionnaire. An observational checklist capturing data on the appearance of vendors, their stalls, available equipment and type of food sold, supplemented this survey. Phase 1b: A consumer survey included collecting, a) socio-demographic factors, b) purchasing habits, c) consumption preferences, and d) nutrition knowledge using a validated questionnaire. Phase 2a: Semi-structured-interviews and focus group discussions with Environmental Health Officials and Economic Development Officials from the City of Cape Town were conducted to explore the existing -vending regulations and/or policies in the City of Cape Town and gain insight into the SF-vending operations from a regulatory perspective. Phase 2b: A document review was conducted to identify existing regulations and policies on SF vending. Phase 3: conducted in three steps: Step 1, data integration of the previous phases. Step 2, a participatory action research component checking the relevance, acceptability and practicability of identified themes and resulting components from Step 1. Step 3, development of the proposed SFVM using the findings of the previous two steps. Data Analysis: Quantitative data were analysed using IBM SPSS, 2010 Statistics version 23. Descriptive statistics and cross-tabulations were used to analyse data. Qualitative data were thematically analysed using the qualitative data software package Atlas ti 7.5.7.Results: Phase 1a: vendors in the Cape Town and surrounding areas work long hours up to seven days a week making a minimal income. Types of food items sold by vendors, their nutrition knowledge and hygiene practices were not ideal. A major lack in basic facilities existed. Phase 2a: SF consumers indicated spending a significant amount of their income on SF, and are open to buying healthier options should these be available. Phase 2a: government officials thought the SF-vending business should be guided by national legislature and provincial bylaws, and felt strongly about nutrition and health education for vendors and consumers. Phase 2b: thirteen regulations and bylaws applicable to SF vending were sourced. Phase 3: Data from the previous phases were integrated within a socio-ecological framework to develop the proposed SFVM. The components of this model are divided into four areas, i.e. a business component, food and nutrition component, hygiene component, and a vending cart. Conclusion: The four components in the proposed SFVM take into account various elements of the socio-ecological framework, i.e. intrapersonal/individual, interpersonal, the physical environment/community and the policy environment. This SFVM should be piloted, evaluated, adapted and before rolling it out on a large scale to test its effectiveness.
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    Metabolic syndrome and the risk of consuming street food among commercial taxi drivers in South Africa. A cross-sectional study
    (University of the Western Cape, 2022) Sekgala, Machoene Derrick; Mchiza, Zandile
    Minibus taxi drivers in South Africa are eminent street food (SF) consumers with these affordable foods easily accessible at taxi ranks. Regular SF consumption, in combination, with unhealthy lifestyles associated with taxi driving, predisposes them to develop metabolic syndrome (MetS). Detecting the early onset of MetS allows for early intervention, which may slow the progression to various health consequences. The primary aim of the thesis was to describe the prevalence, extent, and determinants of MetS among male minibus taxi drivers, 20 years and older operating in the Cape Town metropole who rely on SF for their daily calorie and nutrient intake. A secondary aim was to use these outcomes to develop recommendations for targeted interventions to improve their health status and lifestyle.
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    The risk of metabolic syndrome as a result of lifestyle among Ellisras rural young adults
    (Nature Publishing Group, 2018) Sekgala, M. D.; Monyeki, K. D.; Mogale, A.; Mchiza, Zandile; Parker, W.; Choma, S. R.; Makgopa, H. M.
    The study aimed to investigate the association between metabolic syndrome (MetS) and lifestyle risk factors among Ellisras adults. A cross-sectional study was conducted on 624 adults (306 males and 318 females). MetS was defined according to the criteria of the International Diabetes Federation. The prevalence of MetS was 23.1% (8.6% males and 36.8 % females). Females appeared to have higher mean values for waist circumference (WC), fasting blood glucose (FBG), total cholesterol (TCHOL) and low-density lipoprotein cholesterol (LDL-C), while males had high mean values for high-density lipoprotein cholesterol (HDL-C), triglycerides (TG), systolic blood pressure (SBP) and diastolic blood pressure (DBP). No significant age and gender differences were observed for dietary intake. Significantly more females (51.9%) presented with increased WC than males (4.6%). Participants who had a high dietary energy intake were significantly less likely to present with larger WC (OR: 0.250 95% CI [0.161; 0.389]), low HDL-C (OR: 0.306 95% CI [0.220; 0.425]) and high LDL-C (OR: 0.583 95% CI [0.418; 0.812]) but more likely to present with elevated FBG (OR: 1.01 95% CI [0.735; 1.386]), high TCHOL (OR: 1.039 95% CI [0.575; 1.337]), high TG (OR: 1.186 95% CI [0.695; 2.023]) and hypertension (OR: 5.205 95% CI [3.156; 8.585]). After adjusting for age, gender, smoking, and alcohol status, high energy intake was more than two times likely to predict MetS in adults with a large WC (OR: 2.766 95% CI [0.863; 3.477] and elevated FBG (OR: 2.227 95% CI [1.051; 3.328]). Therefore, identifying groups that are at an increased risk and those that are in their early stages of MetS will help improve and prevent the increase of the MetS in the future.