“…The 33 studies 2 , 4 , 6 , 7 , 11 , 12 , 16 – 42 included were published between 2009 and 2022 and were cross-sectionally designed with a total of 6095 food handlers. Six major studies were carried out in the Greater Accra 2 , 20 , 27 , 28 , 35 , 38 and Volta 6 , 11 , 23 , 25 , 30 , 32 regions, and five were carried out in the Northern region 12 , 21 , 34 , 40 , 41 . Eighteen studies 2 , 6 , 7 , 12 , 16 , 19 , 21 – 23 , 25 , 28 , 30 , 32 – 34 , 36 , 41 , 42 used a simple random sampling technique, and 4 , 20 , 26 , 27 , 38 , 39 used systematic sampling (18.2%; n = 6) (Table 1 ).…”