Table 1. Characteristics of studies included in the current systematic review and meta-analysis on prevalence and predictors of anemia among pregnant women in Ethiopia, 2021.

Author, Publication year	Study region	setting	Study design	Sample size	Prevalence of anemia
Addis, et al. (2014) [24]	Somalia, Gode	Community	Cross-sectional	581	56.8
Getachew, et al. (2012) [25]	SNNPR, Gilgel Gibe	Community	Cross-sectional	388	53.9
Mihiretie, et al. (2015) [22]	Oromia, Nekmite	Institution	Cross-sectional	150	50
Melku, M. and A. Agmas (2015) [26]	Amhara, Bahir Dar	Institution	Retrospective	1120	45.4
Kedir, et al. (2013) [27]	Harari, Haramaya	Community	Cross-sectional	1678	43.9
Gedefaw, et al. (2015) [28]	SNNPR,Woliata Sodo	Institution	Cross-sectional	363	39.9
Gari, et al. (2020) [29]	Oromia, Najo	Institution	Cross-sectional	384	37.8
Obse, et al. (2013) [30]	Oromia, Arsi	Institution	Cross-sectional	374	36.6
Beyene, T. (2018) [31]	Oromia, Arsi	Institution	Cross-sectional	374	36.6
Alemayehu, et al. (2016) [32]	Gambella, Pugnido	Institution	Cross-sectional	360	36.1
Gebre, et al. (2015) [33]	Tigray, North Western Zone	Institution	Cross-sectional	714	36.1
Geleta, W. and Z. Babure (2020) [34]	Oromia, Wollega	Community	Cross-section	625	35.5
Nega, et al. (2015) [35]	SNNPR, Arbaminch	Institution	Cross-sectional	341	34.6
Bekele, et al. (2016) [36]	SNNPR, Arbaminch	Institution	Cross-sectional	332	32.9
Helion, et al. (2020) [37]	Amhara, Gonder	Institution	Cross-sectional	713	32.4
Abay, et al. (2017) [38]	Beneshangul Gumuz, Asosa	Institution	Cross-sectional	761	31.8
Gebremariam, et al. (2020) [39]	SNNPR, Butajira	Institution	Cross-sectional	208	31.7
Gebremedhin, et al. (2014) [40]	SNNPR, Sidama	Community	Cross-sectional	700	31.6
Kenea, et al. (2018) [41]	Oromia, Ilu Abba Bora	Institution	Cross-sectional	416	31.5
Bolka, A. & S. Gebremedhin (2019) [42]	SNNPR, Sidama	Institution	Cross-sectional	352	31.5
Derso, et al. (2017) [43]	Amhara, Gonder	Institution	Cross-sectional	348	30.5
Ejeta, et al. (2014) [44]	Oromia, Nekemte	Institution	Cross-sectional	286	29
Argaw, et al. (2020) [45]	SNNPR, Dilla	Institution	Cross-sectional	373	28.7
Zerfu, et al. (2019) [46]	Oromia, Arsi	Institution	Cross-sectional	432	28.6
Mohammed, et al. (2018) [47]	Oromia, Adama	Institution	Cross-sectional	424	28.1
Kefiyalew, et al. (2014) [48]	Oromia, East Harerege	Institution	Cross-sectional	258	27.8
Getahun, et al. (2017) [49]	SNNPR, Butajira	Institution	Cross-sectional	217	27.6
Mulugeta, et al. (2020) [50]	SNNPR, Halaba Kulito	Institution	Cross-sectional	236	27.5
Belay, et al. (2018) [51]	Tigray, Mekele	Institution	Cohort	196	25.5
Asrie, F. (2017) [52]	Amhara	Institution	Cross-sectional	206	25.2
Delil, et al. (2018) [53]	SNNPR, Hossan	Institution	Cross-sectional	314	24.2
Zillmer, et al. (2017) [54]	Oromia	Community	Cohort	4600	24.09
Lebso, et al. (2017) [17]	SNNPR, Sidama	Community	Cross-sectional	507	23.2
Worku Takele, W. and A. Tariku (2018) [55]	Amhara, Gonder	Institution	Cross-sectional	362	22.2
Walelign, et al. (2018) [56]	Oromia, East Harerege	Institution	Cross-sectional	409	20.8
Umuro, et al. (2020) [57]	Addis Ababa, Tikur Ambessa Hospital	Institution	Cross-sectional	405	19.8
Abriha, et al. (2014) [16]	Tigiray, Mekele	Institution	Cross-sectional	619	19.7
Gudeta, et al. (2019) [58]	SNNPR, Benchimaji, Kefa, Shaka	Institution	Cross-sectional	1871	19
Samuel, et al. (2020) [59]	SNNPR, kambata Tabaro	Institution	Cross-sectional	423	18
Getaneh, et al. (2018) [60]	Amahara, Bahir Dar	Institution	Cross-sectional	480	18.3
Kejela, et al. (2020) [61]	Oromia, Wollega	Institution	Cross-sectional	286	17.8
Mengist, et al. (2017) [62]	Oromia, Wollega	Institution	Cross-sectional	372	17.5
Grum, et al. (2018) [63]	Tigray, Central zone	Institution	Cross-sectional	634	16.88
Melku, et al. (2014) [64]	Amhara, Gonder	Institution	Cross-sectional	302	16.6
Kebede, et al. (2018) [65]	Tigray, Shire	Institution	Cross-sectional	480	16.8
Ayano, et al. (2018) [66]	Oromia, Adama	Institution	Cross-sectional	329	14.9
Enawgaw, et al. (2019) [67]	Amhara, Gonder	Institution	Cross-sectional	217	12.9
Gebreweld, et al. (2018) [68]	Addis Ababa, St. paul’s hospital	Institution	Cross-sectional	284	11.62
Kumera, et al. (2018) [69]	Amhara, Debre Markos	Institution	Cross-sectional	234	11.5
Hailu, et al. (2019) [70]	Amhara, Gojam	Institution	Cross-sectional	743	10.6
Mekonnen, et al. (2018) [71]	Amhara, North Shoa	Institution	Cross-sectional	295	10
Berhe, et al. (2019) [72]	Tigray, Adigrat	Institution	Cross-sectional	304	7.9
Nasir, et al. (2020) [73]	Addis Ababa, Tikur Anbessa Hospital	Institution	Cross-sectional	250	4.8
Shitie, et al. (2018) [74]	Amhara, North Shoa	Institution	Cross-sectional	286	2.8
Feleke, B. E. and T. E. Feleke (2018) [75]	Amhara,Bahir Dar	Institution	Cross-sectional	550
Tulu, et al. (2019) [14]	Oromia, Wollega	Institution	case-control	573
Weldekidan, et al. (2018) [76]	SNNPR, Durame	Institution	case-control	333
Osman, M. O. and T. Y. Nour (2020) [77]	Somalia, Jigjiga	Institution	case-control	228
Tadesse, et al. (2017) [78]	Amhara, Eshete	Institution	case-control	448
Mohammed, et al. (2019) [79]	Addis Ababa	Institution	Case-control	592