Bangladesh is a developing country with a rapidly growing urban
population, extensive health problems, low educational status
and environmental pollution (Kabir et al., 2003; Rahman et al.,
2007). The selected study area is the Dhaka City Corporation
(DCC) area. This is located in the middle part of Dhaka District,
the capital of Bangladesh, divided into ninety nine administrative
zones known as ‘wards’ and with a population of 11.9 million
(BBS, 2007).