1 Womberma District Health Office, Dembecha, Amhara Region, Ethiopia.
2 Department of Health promotion and Behavioral sciences, School of Public Health, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia.
3 Department of Epidemiology and Biostatistics, School of Public Health, College of Medicine and Health sciences, Bahir Dar University, Bahir Dar, Ethiopia. leulgzat@gmail.com.