The analysis is based on a survey of a sample of 40 primary schools in Ilala, Temeke and Kinondoni conducted between August and December 2010.
Muhtasari huo wa utafiti umechapishwa baada ya kukamilika kwa utafiti uliofanyika kwenye sampuli ya shule 40 za Dar es Salaam kati ya mwezi Agosti na Desemba mwaka 2010.