Okondu, O.E., Abubakar, K. , Olatade, M.J. , Akingbade Oluwadamilare, Adesuyi Emmanuel O, Olugasa Babasola, Anyanwu Favour Chiamaka, Ekezie Modestina Amuche, Ifediora Uchenna Loveth, Arulogun, Oyedunni S and Okondu Chinedu Worlu 2022. Behavioural risk-factors associated with the use of Facemask during Covid-19 pandemic lockdown period in Nigeria: online-based survey. Student’s Journal of Health Research Africa. 3, 12 (Dec. 2022), 11. DOI:https://doi.org/10.51168/sjhrafrica.v3i12.221.