“…2 ). Primary studies were published between 2012 to 2020, and were undertaken in all six geopolitical zones of the country: South-west ( n = 7) [ 44 , 45 , 48 , 52 , 54 – 56 ], South-east (n = 5) [ 47 , 48 , 51 , 58 ], North-central ( n = 4) [ 46 , 48 , 53 , 59 ], South-south ( n = 3) [ 48 , 50 , 57 ], North-west ( n = 2) [ 48 , 49 ], North-east (n = 1) [ 48 ], and the FCT Abuja (n = 1) [ 48 ]. Thirteen studies were conducted in urban settings, two in rural [ 48 , 56 ], and one in a mixed peri-urban setting [ 45 ].…”