Table 2.

List and characteristics of 20 eligible studies conducted from 2014 to 2022 among food handlers.

Authors	Year	Region	Study Area	Sample Size	Case	Prevalence (95% CI)	Quality Score
Tefera and mebrie	2014 [39]	Oromia	Yebu town	118	52	44.1 (36.6–45.8)	4
Mama and alemu	2015 [40]	SNNPR	Arba minch university	345	123	36.0 (32.7–39.8)	4
Mama and alemu	2016 [41]	SNNPR	Arba minch university	345	34	9.9 (6.3–12.7)	4
Abera et al.	2016 [42]	Amhara	Bahir dar university	410	53	12.9 (9.8–15.7)	4
Gezehegn et al.	2017 [43]	Tigray	Aksum town	400	58	14.5 (11.3–18.0)	6
Girma et al.	2017 [44]	Oromia	Jimma university	148	31	33.0 (28.2–37.5)	5
Solomon et al.	2018 [45]	SNNPR	Wolaita sodo town	387	159	41.0 (35.4–45.2)	5
Asires et al.	2019 [46]	Amhara	East and west gojjam	416	213	61.9 (51.2–68.7)	4
Alemnew et al.	2019 [47]	Amhara	Woldia university	256	43	16.8 (13.1–21.2)	5
Kebede et al.	2019 [48]	Amhara	Wollo university	200	30	15.0 (12.1–19.3)	5
Kumma et al.	2019 [49]	SNNPR	Wolaita sodo university	233	55	23.6 (18.2–29.1)	6
Alemu et al.	2019 [50]	Amhara	Chagni town	422	62	14.8 (11.5–18.0)	6
Kuti et al.	2020 [51]	Oromia	Madda walabu university	198	50	25.3 (21.9–29.6)	5
Diriba et al.	2020 [52]	SNNPR	Dilla university	220	113	51.3 (40.9–62.7)	4
Legese et al.	2020 [53]	Tigray	Adigrat university	301	33	11.0 (6.1–14.6)	5
Yesigat et al.	2020 [54]	Amhara	Motta town	243	67	26.6 (21.5–32.9)	6
Regassa et al.	2021 [55]	Tigray	Medebay zana district	401	129	33.2 (27.3–38.2)	5
Yeshanew et al.	2021 [56]	Oromia	Mettu town	139	62	44.6 (34.6–52.3)	5
Kumalo et al.	2021 [57]	SNNPR	Dawuro zone	402	108	26.9 (22.7–30.6)	5
Gemechu et al.	2022 [58]	Oromia	Jimma town	260	125	48.5 (38.7–57.5)	6