Dietary Practices and Metabolic Syndrome in the Young Adult Population of Rwanda

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Adequate diet has been known for many years to be a major lever to significantly decrease the risk for non-communicable diseases (NCD). However, mainly due to urbanization and improved economic status in low and middle income countries (LMICs), the traditional largely plant-based diets are being rep...

Adequate diet has been known for many years to be a major lever to significantly decrease the risk for non-communicable diseases (NCD). However, mainly due to urbanization and improved economic status in low and middle income countries (LMICs), the traditional largely plant-based diets are being replaced by more energy-dense and nutrient poor diets, incorporating more animal foods and processed foods and fat, and with a decrease in consumption of fruits and vegetables and other plant based foods. This diet change together with a sedentary lifestyle are typical phenomena in LMICs that are driving the so-called nutrition transition that is typically accompanied by an increase in obesity and in NCD like metabolic syndrome, diabetes, cardiovascular diseases and cancer. In Rwanda, NCD lead to 36% of total deaths. Cancers, diabetes, cardiovascular diseases, and chronic respiratory diseases account for 82% of NCD deaths. The major risk factor is the raised blood pressure (34.4%) and the probability of dying between ages 30 and 70 years from those four main NCD is estimated to 19%. The Government of Rwanda has installed an operational NCD unit in the Ministry of Health with a view to developing preventive strategies vis-à-vis the nutrition transition process in the country. It has been shown already that there is a need for adopting dietary behaviour change to prevent the epidemic of chronic diseases. The aim of this PhD work is to contribute in generating evidence needed to develop targeted prevention strategies for NCD in a broader framework of informed health policy making in Rwanda. Specific objectives: To identify the changes in eating habits of different socio- economic subgroups in adults living in Kigali, in comparison to their peers in rural areas; To assess nutritional status and body composition using several methods (BMI, skinfold thicknesses, sitting height and body build, fat and fat free mass), with the ultimate objective to establish population-body composition-derived BMI cut-offs for overweight and obesity in this population; To assess and compare the prevalence of common risk factors for non-communicable disease (high BMI, low fruit and vegetable consumption, low physical activity and high blood pressure) between rural and urban areas; To evaluate people's nutrition knowledge, aptitude and capacity (KAP), perception of obesity and normal weight and food insecurity levels as risks factors for adherence to healthy dietary practices and life style; To generate information to be used by governments to improve dietary habits and physical activity through targeted interventions. The data collected in a cross sectional study design. Validated questionnaires will be used to get information on socio-economic characteristics, dietary practices, physical activity, other lifestyle factors and psycho-social and emotional indicators.

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