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Abstract

According to UNAIDS (Joint United Nations Programme on HIV/AIDS) 2009 statistics, around 33.3 million people in the whole world are living with the Human immunodeficiency virus (HIV). Although HIV is found in all parts of the world, some areas are more afflicted than others. This study aims to generate a voronoi map that traces the countries where HIV infections are very apparent. Furthermore, this study determined the personal characteristics of the inhabitants and environmental characteristics of the countries that significantly contributed to the increasing HIV infections. Multiple regression was utilized to find out the predictors of HIV infection and discriminant analysis was used in determining the factors that differentiates between high and low risk countries. Among the nine characteristics identified, only four of them have significantly influenced HIV occurrence, namely: unemployment rate, literacy rate, geographical location and race and only three characterisctics differentiated between high and low HIV occurrence countries; population density, national average income per capita and total health expenditure. To determine the speed of the spread of infection per country, HIV rates were gathered from 1990-2009 and were correlated. Eighty countries revealed a significant increase in the speed of the spread of infections from 1990- 2009 while the rest had an insignificant change in the number of infections. The voronoi map was then created illustrating the red, pink and blue areas reflecting the high, moderate and low risk countries, respectively.

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