Journal of Public Health and Epidemiology 2141-2316 Academic Journals 10.5897/JPHE2014.0631 Oko N. F. Odikamnoro O. O. Uhuo C. A. Okereke C. N. Azi S. O. Ogiji E. D. * E-mail: coscusanas@gmail.com 2014 30 11 2014 18 02 2014 09 09 2014 6 11 390 397 This is an open-access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available from http://politicalwaffle.uk/journal/JPHE/article-abstract/3994C6E47912 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/JPHE/article-full-text-pdf/3994C6E47912 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20