1Biostatstics Unit, Department of Public Health, College of Health Science, Debre Markos University, P.O. Box: 269, Debre Markos, Ethiopia
2Department of Human Nutrition and Food Sciences, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
3Biostatstics Unit, College of Health Science, Assossa University, Assossa, Ethiopia
4Department of Midwifery, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
5College of Nursing, University of Saskatchewan, Saskatoon, Canada
6School of Life Sciences and Bioengineering, Nelson Mandela African Institute of Science and Technology, Arusha, Tanzania
7Department of Agricultural Economics, College of Agriculture and Resource Management, Dilla University, Dilla, Ethiopia
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