Table 1.

Characteristics of included studies

Author, year	Region	Study design	Study setting	Study participants	Sample size	Response rate	Recall period/in months/	Prevalence (%)	95% CI
Bogale et al., 2019 [25]	Addis Ababa	CS	Households	Adult people residing in the city	605	98.30%	6	67.30	63.6 − 71.0
Erku et al., 2017 [26]	Amhara	CS	Households	Adult communities in the town	720	90.30%	12	63.50	60.0–67.0
Eticha et al., 2014 [27]	Tigray	CS	Universities	Undergraduate Students	422	96.40%	3	44.50	39.8–49.2
Gebeyehu et al., 2015 [28]	Amhara	CS	Households	Adult communities in the town	1082	98.30%	2	18.00	15.7–20.3
Gebrekirstos et al., 2017 [29]	Tigray	CS	Drug retail outlet	Adult communities in the town	829	94%	2	47.10	43.7–50.5
Kassa et al., 2022 [30]	Addis Ababa	CS	Public hospitals	HCP(Physicians, pharmacists and nurses)	330	96%.	1	22.70	NR
Ayana et al., 2021 [31]	Oromia	CS	Drug retail outlet	Adult communities in the town	421	94.80%	1	43.100	38.6–48.1
Demissie et al., 2022 [32]	Oromia	CS	Households	Adult communities in the town	826	100%	12	38.90%	1.56–1.64
Simegn & Moges, 2022 [33]	Amhara	CS	Households	Adult communities in the town	421	96.70%	6	55.30%	50.6–60.2
Dache et al., 2021 [34]	SNNP	CS	Households	Adult communities in the town	582	97.60%	12	37.90%	34.0-41.5
Mossa et al., 2012 [35]	SNNP	CS	Households	Adult communities in the town	405	100%	12	27.30%	NR

CS: Crossectional study; HCP: Health care professionals; NR: Not reported