Investigations on Environmental Risk Factors Responsible For High Prevalence of Food Borne Diseases : The case of Temeke Municipal,Dar es Salaam.

Rugemalila, Gaspal Audax (2015) Investigations on Environmental Risk Factors Responsible For High Prevalence of Food Borne Diseases : The case of Temeke Municipal,Dar es Salaam. Masters thesis, The Open University of Tanzania.

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Abstract

Food borne diseases encompass a wide spectrum of illnesses and are a growing public health problem worldwide. They are the result of ingestion of foodstuffs contaminated with microorganisms or chemicals. The contamination of food may occur at any stage in the process from food production to consumption (“farm to fork”) and can result from environmental contamination, including pollution of water, soil or air. This study will be conducted to investigate the prevalence of food borne diseases from local environmental risk factors in the vending sites of food services in the study area. The research study will provide a foundation for food safety policy and illness prevention in the Temeke Municipality. Temeke Municipality is the sites of the study where the researcher will have to conduct his investigation on environmental risk factors related to prevalence of food borne diseases. The study area was chosen because of its location and absence of many epidemiological studies done in the area. A case study approach will be adopted with purposive random sampling by using fishers formula as shown below N=z2pq. /d2 to obtain 240 respondents from in the vending sites, one primary school and one secondary school. Two public markets, street vendors, food services and three heath centers and one public hospital. Structured and unstructured questionnaire will be used to select 240 respondents’ opinions. Data will be analyzed with the table and percentages and on a computer using EP-INFO Version. This will generate descriptive statistics which will further summarized into graphs, table. The prevalence of food borne diseases will be shown by percentages in relation to available environmental risk factors in the study area. Focus group observation will be done to observe other factors which may be contributing to the prevalence of food borne diseases in the area.

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